{"id":3481,"date":"2026-10-22T10:56:10","date_gmt":"2026-10-22T07:56:10","guid":{"rendered":"https:\/\/niteducation.com\/resources\/?p=3481"},"modified":"2026-10-25T19:52:34","modified_gmt":"2026-10-25T16:52:34","slug":"motor-grader-dashboard-warning-lights-and-symbols","status":"publish","type":"post","link":"https:\/\/niteducation.com\/resources\/motor-grader-dashboard-warning-lights-and-symbols\/","title":{"rendered":"Motor Grader Dashboard Warning Lights and Symbols: Meanings &amp; Actions"},"content":{"rendered":"\n<!--\nNewton Institute of Technology \u2014 Article 185\nMaster Stylesheet v6 premium visual build \u2014 20 October 2026\nWordPress supplies the page's only semantic H1; this body uses .nit-hero__title.\nLoad the locked NIT-Articles-Master-v6.0.css once at site level.\nNo article-specific CSS, inline styles, scripts, new component classes or infographics are used.\nCanonical production URL: https:\/\/niteducation.com\/resources\/motor-grader-dashboard-warning-lights-symbols\/\nSearch-intent ownership: motor grader dashboard warning lights and symbols; operator action; first technician diagnostic direction.\nCannibalization boundary: Motor Grader Parts & Functions owns machine components; Motor Grader Training owns operating skill\/course intent; Pre-Start Checklist owns whole-machine inspection; a future Motor Grader Fault Codes guide should own SPN\/FMI decoding.\n-->\n<article class=\"nit-article nit-article--pathway-guide nit-article--tvet-levels nit-article--c-minus nit-article--c-plus-degree nit-article--forklift\" itemscope itemtype=\"https:\/\/schema.org\/Article\" aria-labelledby=\"nit-article-title\">\n<meta itemprop=\"datePublished\" content=\"2026-10-20\">\n<meta itemprop=\"dateModified\" content=\"2026-10-20\">\n<meta itemprop=\"inLanguage\" content=\"en-KE\">\n<meta itemprop=\"author\" content=\"Newton Institute of Technology Editorial Team\">\n\n<div class=\"nit-pg-hero\" aria-labelledby=\"nit-article-title\">\n  <div>\n    <p class=\"nit-pg-kicker\">NIT Motor Grader G5 Guide <span>operator action \u00b7 technician direction<\/span><\/p>\n    <p class=\"nit-hero__title\" id=\"nit-article-title\" itemprop=\"headline\">Motor Grader Dashboard<br>Warning Lights &amp;<br>Symbols Explained<\/p>\n    <p class=\"nit-pg-hero__line\">warning \u00b7 gauge \u00b7 status \u00b7 operator action \u00b7 technician diagnosis<\/p>\n    <p class=\"nit-pg-hero__summary\" itemprop=\"description\">A practical G5 guide to reading motor grader dashboard warnings: what the operator should do in the cab, what evidence to record, and where a technician should begin diagnosis.<\/p>\n    <div class=\"nit-pg-hero__actions\">\n      <a class=\"nit-pg-button nit-pg-button--gold\" href=\"#warning-table\">Check a warning<\/a>\n      <a class=\"nit-pg-button nit-pg-button--outline\" href=\"#operator-report\">Record the fault<\/a>\n    <\/div>\n  <\/div>\n\n  <div class=\"nit-deg-hero__art\" aria-label=\"Motor grader dashboard reading priorities\">\n    <p>Read the complete machine condition.<\/p>\n    <div class=\"nit-deg-orbit\" aria-hidden=\"true\">\n      <strong><small>G5<\/small><\/strong>\n      <span class=\"nit-deg-orbit__chip nit-deg-orbit__chip--tech\">BRK<\/span>\n      <span class=\"nit-deg-orbit__chip nit-deg-orbit__chip--health\">STR<\/span>\n      <span class=\"nit-deg-orbit__chip nit-deg-orbit__chip--business\">TEMP<\/span>\n      <span class=\"nit-deg-orbit__chip nit-deg-orbit__chip--stem\">OIL<\/span>\n    <\/div>\n    <div class=\"nit-deg-hero__note\">\n      <span>Two roles, one dashboard<\/span>\n      <strong>Operator responds \u00b7 technician verifies<\/strong>\n      <small>The symbol identifies the system. The evidence determines the diagnosis.<\/small>\n    <\/div>\n  <\/div>\n\n  <div class=\"nit-pg-hero__meta\">\n    <p><span>Primary topic<\/span>Motor grader warning lights<\/p>\n    <p><span>Machine<\/span>G5 Motor Grader<\/p>\n    <p><span>Audience<\/span>Plant operator \u00b7 technician<\/p>\n    <p><span>Technical review<\/span>Engineer Simon Barongo<\/p>\n  <\/div>\n<\/div>\n\n<div class=\"nit-article__body\" itemprop=\"articleBody\">\n\n<section class=\"nit-pg-answer\" aria-labelledby=\"quick-answer-heading\">\n  <div class=\"nit-pg-answer__question\">\n    <span>Quick answer<\/span>\n    <h2 id=\"quick-answer-heading\">What should you do when a motor grader warning light comes on?<\/h2>\n  <\/div>\n  <p>Read the <strong>symbol, gauge, message and machine behaviour together<\/strong>. Identify the system first. A brake-pressure or steering warning changes the operating decision immediately; a parking-brake, differential-lock or blade-float indicator may simply confirm a selected machine function. Record the exact indication, machine hours and what the grader was doing. The operator protects the machine and preserves the evidence; the technician confirms the cause.<\/p>\n<\/section>\n\n<div class=\"nit-cm-snapshot\" aria-label=\"Motor grader dashboard guide at a glance\">\n  <div><span>Read three layers<\/span><strong>Warning \u00b7 gauge \u00b7 status<\/strong><small>First decide whether the dashboard is reporting a fault, a measured condition or an active machine function.<\/small><\/div>\n  <div><span>Operator priority<\/span><strong>Control \u00b7 record \u00b7 report<\/strong><small>Secure the grader when required and capture the exact indication before the condition changes.<\/small><\/div>\n  <div><span>Technician priority<\/span><strong>Measure before replacing<\/strong><small>Compare the physical system, sensor data and monitor information before selecting a repair.<\/small><\/div>\n<\/div>\n\n<nav class=\"nit-pg-nav\" aria-label=\"Article sections\">\n  <p>Jump to the section you need<\/p>\n  <div>\n    <a href=\"#dashboard-types\">Warning vs status<\/a>\n    <a href=\"#warning-table\">Quick table<\/a>\n    <a href=\"#brake-steering\">Brake &amp; steering<\/a>\n    <a href=\"#heat-warnings\">Heat warnings<\/a>\n    <a href=\"#engine-electrical\">Engine &amp; electrical<\/a>\n    <a href=\"#aftertreatment\">DEF &amp; DPF<\/a>\n    <a href=\"#status-indicators\">Status indicators<\/a>\n    <a href=\"#operator-report\">Fault report<\/a>\n    <a href=\"#nit-practical\">NIT practical<\/a>\n    <a href=\"#faqs\">FAQs<\/a>\n  <\/div>\n<\/nav>\n\n<section class=\"nit-pg-section\" id=\"dashboard-types\" aria-labelledby=\"dashboard-types-heading\">\n  <p class=\"nit-pg-eyebrow\">Read the dashboard correctly<\/p>\n  <h2 id=\"dashboard-types-heading\">A grader dashboard shows warnings, gauges and status indicators<\/h2>\n  <p>Earth-moving machinery uses a standard graphical language for many controls and displays. ISO 6405-1 covers common earth-moving-machine symbols, while ISO 6405-2 covers symbols for specific machines, equipment and accessories. <a href=\"#source-1\">[1]<\/a><a href=\"#source-2\">[2]<\/a><\/p>\n\n  <div class=\"nit-pg-definitions\" aria-label=\"Warning gauge and status definitions\">\n    <div class=\"nit-pg-definition\">\n      <span class=\"nit-pg-definition__number\">W<\/span>\n      <p class=\"nit-pg-definition__label\">Warning<\/p>\n      <h3>A system needs attention<\/h3>\n      <p>Examples include abnormal brake pressure, engine oil pressure, steering pressure, charging or excessive temperature.<\/p>\n    <\/div>\n    <div class=\"nit-pg-definition nit-pg-definition--university\">\n      <span class=\"nit-pg-definition__number\">G\/S<\/span>\n      <p class=\"nit-pg-definition__label\">Gauge or status<\/p>\n      <h3>Know the present condition<\/h3>\n      <p>A gauge shows a measured value. A status indicator confirms an active function such as parking brake, differential lock or blade float. Modern grader monitors combine all three information types. <a href=\"#source-3\">[3]<\/a><a href=\"#source-4\">[4]<\/a><a href=\"#source-5\">[5]<\/a><\/p>\n    <\/div>\n  <\/div>\n\n  <div class=\"nit-pg-highlight\">\n    <strong>Read the symbol together with the rest of the display.<\/strong>\n    <p>The strongest operating decision comes from the system identified, the gauge or message beside it and the way the grader is behaving at that moment.<\/p>\n  <\/div>\n<\/section>\n\n<section class=\"nit-pg-section nit-pg-section--comparison\" id=\"warning-table\" aria-labelledby=\"warning-table-heading\">\n  <p class=\"nit-pg-eyebrow\">Fast reference<\/p>\n  <h2 id=\"warning-table-heading\">Motor grader warning lights: meaning and first action<\/h2>\n  <p>This table gives the shortest useful response. The detailed sections below explain why each direction matters.<\/p>\n\n  <div class=\"nit-pg-table-wrap\" role=\"region\" tabindex=\"0\" aria-label=\"Motor grader warning lights meanings operator action and technician direction\">\n    <table class=\"nit-pg-table\">\n      <thead><tr><th scope=\"col\">Dashboard indication<\/th><th scope=\"col\">Operator decision<\/th><th scope=\"col\">Technician starts here<\/th><\/tr><\/thead>\n      <tbody>\n        <tr><th scope=\"row\">Brake pressure<\/th><td>Stop normal grading and secure the machine.<\/td><td>Measure actual brake-system pressure.<\/td><\/tr>\n        <tr><th scope=\"row\">Steering \/ secondary steering<\/th><td>Maintain control and bring the grader to a suitable stop.<\/td><td>Verify primary steering pressure and secondary-steering operation.<\/td><\/tr>\n        <tr><th scope=\"row\">Transmission \/ torque-converter temperature<\/th><td>Reduce load and record the operating condition.<\/td><td>Oil, cooling, pressure and transmission operation.<\/td><\/tr>\n        <tr><th scope=\"row\">Hydraulic oil temperature<\/th><td>Reduce heavy implement use.<\/td><td>Oil, cooler, pressure, flow and internal leakage.<\/td><\/tr>\n        <tr><th scope=\"row\">Differential oil temperature<\/th><td>Reduce heavy drivetrain loading.<\/td><td>Lubrication, actual temperature and differential condition.<\/td><\/tr>\n        <tr><th scope=\"row\">Transmission filter \/ bypass<\/th><td>Record when it appears and report it.<\/td><td>Filter restriction, oil viscosity and pressure circuit.<\/td><\/tr>\n        <tr><th scope=\"row\">Engine oil pressure<\/th><td>Stop loading the engine and protect it.<\/td><td>Measure actual engine oil pressure.<\/td><\/tr>\n        <tr><th scope=\"row\">Coolant temperature<\/th><td>Remove heavy load and observe the temperature condition.<\/td><td>Cooling-system performance and measured temperature.<\/td><\/tr>\n        <tr><th scope=\"row\">Battery \/ charging<\/th><td>Record the warning and electrical symptoms.<\/td><td>Measure charging voltage and alternator output.<\/td><\/tr>\n        <tr><th scope=\"row\">Engine-system warning<\/th><td>Record the complete message or code exactly.<\/td><td>Retrieve diagnostic data and verify with physical tests.<\/td><\/tr>\n        <tr><th scope=\"row\">DEF<\/th><td>Read the accompanying SCR\/DEF message.<\/td><td>DEF quantity, quality, sensing and dosing system.<\/td><\/tr>\n        <tr><th scope=\"row\">DPF \/ regeneration<\/th><td>Follow the displayed regeneration instruction.<\/td><td>Soot load, pressure\/backpressure, temperature and regeneration history.<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n  <p class=\"nit-pg-table-note\">On a small screen, swipe horizontally to view the complete table.<\/p>\n<\/section>\n\n\n<section class=\"nit-pg-section\" id=\"brake-steering\" aria-labelledby=\"brake-steering-heading\">\n  <p class=\"nit-pg-eyebrow\">Grader-specific priority<\/p>\n  <h2 id=\"brake-steering-heading\">Brake pressure and steering warnings change the operating decision first<\/h2>\n  <p>These two warnings sit high in the operator&#8217;s priority because they affect the ability to control and stop the grader. Current motor grader specifications document brake-pressure indication, full-hydraulic steering and secondary-steering systems. <a href=\"#source-5\">[5]<\/a><a href=\"#source-6\">[6]<\/a><\/p>\n\n  <div class=\"nit-deg-band-grid\" aria-label=\"Brake pressure and steering warning actions\">\n    <article class=\"nit-deg-band\">\n      <div class=\"nit-deg-band__head\"><span>BRK \u00b7 brake system<\/span><h3>Brake-pressure warning<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/brake-pressure-warning.webp\" alt=\"Illustrated motor grader dashboard brake pressure warning example\" loading=\"lazy\" width=\"1254\" height=\"1254\"><\/figure>\n      <ul>\n        <li><strong>Operator:<\/strong> stop normal grading work, bring the grader under control and park it in a suitable position.<\/li>\n        <li><strong>Useful evidence:<\/strong> pedal feel, braking response, whether the warning appeared cold or hot, and whether another hydraulic\/electrical warning appeared with it.<\/li>\n        <li><strong>Technician:<\/strong> measure actual system pressure, then check pressure supply, fluid or air condition, leakage, accumulators where fitted, valves, pressure sensing and wiring.<\/li>\n        <li><strong>Technical rule:<\/strong> prove the braking condition before condemning the warning circuit.<\/li>\n      <\/ul>\n    <\/article>\n\n    <article class=\"nit-deg-band nit-deg-band--competitive\">\n      <div class=\"nit-deg-band__head\"><span>STR \u00b7 machine control<\/span><h3>Steering \/ secondary-steering warning<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/steering-secondary-steering-warning.webp\" alt=\"Illustrated motor grader steering and secondary steering warning example\" loading=\"lazy\" width=\"1254\" height=\"1254\"><\/figure>\n      <ul>\n        <li><strong>Operator:<\/strong> stop grading, maintain control and bring the grader to a suitable stopping position.<\/li>\n        <li><strong>Useful evidence:<\/strong> heavy, slow or intermittent steering; steering behaviour changing with engine speed; secondary steering activating.<\/li>\n        <li><strong>Technician:<\/strong> verify hydraulic oil, primary steering pressure, pump, valves, cylinders, sensing and the secondary-steering system.<\/li>\n        <li><strong>Diagnostic question:<\/strong> if secondary steering operated, establish why primary steering pressure dropped. <a href=\"#source-6\">[6]<\/a><\/li>\n      <\/ul>\n    <\/article>\n  <\/div>\n<\/section>\n\n<section class=\"nit-pg-section nit-pg-section--comparison\" id=\"heat-warnings\" aria-labelledby=\"heat-warnings-heading\">\n  <p class=\"nit-pg-eyebrow\">Heat tells you where load is building<\/p>\n  <h2 id=\"heat-warnings-heading\">Transmission, hydraulic and differential temperature warnings<\/h2>\n  <p>Motor graders work under sustained load at low ground speed. Their instrument systems can monitor hydraulic oil, torque-converter or transmission-related conditions and differential oil temperature. <a href=\"#source-3\">[3]<\/a><a href=\"#source-4\">[4]<\/a><a href=\"#source-5\">[5]<\/a><\/p>\n\n  <div class=\"nit-cm-course-grid\" aria-label=\"Motor grader temperature warnings\">\n    <article class=\"nit-cm-course nit-cm-course--technical\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">TRN<\/span><h3>Transmission \/ torque converter<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/transmission-temperature-warning.webp\" alt=\"Illustrated motor grader transmission temperature warning example\" loading=\"lazy\" width=\"1254\" height=\"1254\"><\/figure>\n      <p><strong>Operator:<\/strong> reduce load and record gear, speed, slope, depth of cut and how long the grader had been working.<\/p>\n      <p><strong>Technician:<\/strong> check oil level and condition, filter, cooler, oil flow, pressure, clutch operation, torque converter and temperature sensing.<\/p>\n      <small>Repeated heat under normal work needs a cause, not a reset.<\/small>\n    <\/article>\n\n    <article class=\"nit-cm-course nit-cm-course--workshop\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">HYD<\/span><h3>Hydraulic oil temperature<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/hydraulic-oil-temperature-warning.webp\" alt=\"Illustrated motor grader hydraulic oil temperature warning example\" loading=\"lazy\" width=\"1254\" height=\"1254\"><\/figure>\n      <p><strong>Operator:<\/strong> reduce heavy blade, circle, side-shift, centershift, articulation or ripper\/scarifier work and note whether response becomes slow or noisy.<\/p>\n      <p><strong>Technician:<\/strong> follow oil level and condition, filters, cooler, airflow, pump, system pressure, valves and internal leakage.<\/p>\n      <small>Find where heat is generated or why cooling cannot remove it.<\/small>\n    <\/article>\n\n    <article class=\"nit-cm-course nit-cm-course--community\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">DIF<\/span><h3>Differential \/ drivetrain temperature<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/differential-oil-temperature-warning.webp\" alt=\"Illustrated motor grader differential oil temperature warning example\" loading=\"lazy\" width=\"1254\" height=\"1254\"><\/figure>\n      <p><strong>Operator:<\/strong> reduce heavy loading and report prolonged cutting, climbing, travel, unusual rear-drive noise or a hot-oil smell.<\/p>\n      <p><strong>Technician:<\/strong> check lubricant quantity and condition, contamination, actual temperature, bearings, gearing, load and the temperature circuit.<\/p>\n      <small>Temperature can be the symptom of a lubrication or mechanical-load problem. <a href=\"#source-5\">[5]<\/a><\/small>\n    <\/article>\n  \n\n\n \n    <article class=\"nit-cm-course nit-cm-course--technical\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">HF<\/span><h3>Hydraulic filter restriction<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/hydraulic-filter-restriction-warning.webp\" alt=\"Motor grader hydraulic filter restriction warning\" loading=\"lazy\" width=\"720\" height=\"694\"><\/figure>\n      <p><strong>Operator:<\/strong> record the warning and any change in hydraulic response. <strong>Technician:<\/strong> inspect filter condition, bypass operation, oil condition and system pressure.<\/p>\n    <\/article>\n\n  <article class=\"nit-cm-course nit-cm-course--technical\">\n  <div class=\"nit-pg-highlight\">\n     <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">TF<\/span><h3>Transmission filter \/ bypass indication<\/h3><\/div>\n    <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/transmission-filter-bypass-warning.webp\" alt=\"Illustrated motor grader transmission filter bypass warning example\" loading=\"lazy\" width=\"1254\" height=\"1254\"><\/figure>\n    <p> <strong>Operator<\/strong> whether it appears only after a cold start or remains after the grader reaches normal temperature. \n      <\/p>\n      <p><strong>Technician direction:<\/strong> filter condition \u2192 oil viscosity and condition \u2192 operating temperature \u2192 bypass circuit \u2192 transmission pressure \u2192 sensing.<\/p>\n  <\/div>\n  <\/article>\n  <\/div>\n<\/section>\n\n<section class=\"nit-pg-section\" id=\"engine-electrical\" aria-labelledby=\"engine-electrical-heading\">\n  <p class=\"nit-pg-eyebrow\">Protect the engine and electrical supply<\/p>\n  <h2 id=\"engine-electrical-heading\">Engine oil pressure, coolant temperature, charging and engine-system warnings<\/h2>\n\n  <div class=\"nit-cm-course-grid\" aria-label=\"Engine and electrical warning priorities\">\n    <article class=\"nit-cm-course nit-cm-course--technical\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">OIL<\/span><h3>Engine oil pressure<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/engine-oil-pressure-warning.webp\" alt=\"Motor grader engine oil pressure warning\" loading=\"lazy\" width=\"720\" height=\"386\"><\/figure>\n      <p><strong>Operator:<\/strong> stop loading the engine and secure the grader.<\/p>\n      <p><strong>Technician:<\/strong> measure actual oil pressure, then check oil quantity, condition, filter, pump, lubrication circuit, sender and wiring.<\/p>\n    <\/article>\n\n    <article class=\"nit-cm-course nit-cm-course--workshop\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">\u00b0C<\/span><h3>Coolant temperature<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/coolant-temperature-warning.webp\" alt=\"Motor grader high coolant temperature warning\" loading=\"lazy\" width=\"720\" height=\"391\"><\/figure>\n      <p><strong>Operator:<\/strong> remove heavy load and note what produced the heat.<\/p>\n      <p><strong>Technician:<\/strong> check coolant, leakage, radiator\/core, airflow, fan, thermostat, circulation and measured temperature.<\/p>\n    <\/article>\n\n    <article class=\"nit-cm-course nit-cm-course--community\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">V<\/span><h3>Battery \/ charging<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/battery-charging-warning.webp\" alt=\"Motor grader battery and charging-system warning\" loading=\"lazy\" width=\"720\" height=\"392\"><\/figure>\n      <p><strong>Technician first check:<\/strong> measure charging voltage, then check alternator output, drive, battery condition, terminals, grounds, cables and circuit protection.<\/p>\n    <\/article>\n\n    <article class=\"nit-cm-course nit-cm-course--technical\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">ENG<\/span><h3>Engine-system warning<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/engine-system-warning.webp\" alt=\"Motor grader engine-system warning\" loading=\"lazy\" width=\"720\" height=\"383\"><\/figure>\n      <p><strong>Operator:<\/strong> record the complete display, machine hours and engine behaviour.<\/p>\n      <p><strong>Technician:<\/strong> retrieve diagnostic data and confirm the fault with physical measurements.<\/p>\n    <\/article>\n \n    <article class=\"nit-cm-course nit-cm-course--technical\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">A<\/span><h3>Air filter restriction<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/air-filter-restriction-warning.webp\" alt=\"Motor grader air filter restriction warning\" loading=\"lazy\" width=\"720\" height=\"699\"><\/figure>\n      <p><strong>First action:<\/strong> inspect and clean or replace the air-filter element according to the service procedure.<\/p>\n    <\/article>\n\n    <article class=\"nit-cm-course nit-cm-course--workshop\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">W<\/span><h3>Fuel \/ water separator<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/fuel-water-separator-warning.webp\" alt=\"Motor grader fuel water separator warning\" loading=\"lazy\" width=\"720\" height=\"697\"><\/figure>\n      <p><strong>First action:<\/strong> drain the separator using the correct procedure and inspect fuel quality and the fuel system.<\/p>\n    <\/article>\n\n    <article class=\"nit-cm-course nit-cm-course--community\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">F<\/span><h3>Low fuel warning<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/fuel-level-low-warning.webp\" alt=\"Motor grader low fuel warning\" loading=\"lazy\" width=\"720\" height=\"472\"><\/figure>\n      <p><strong>First action:<\/strong> refuel before the machine runs out of fuel and avoid drawing air into the fuel system.<\/p>\n    <\/article>\n\n    <article class=\"nit-cm-course nit-cm-course--technical\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">S<\/span><h3>Wait to start<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/wait-to-start-heater-indicator.webp\" alt=\"Motor grader wait to start or intake heater indicator\" loading=\"lazy\" width=\"720\" height=\"624\"><\/figure>\n      <p><strong>First action:<\/strong> wait for the indicator to clear before starting when the system is active.<\/p>\n    <\/article>\n    \n    <article class=\"nit-cm-course nit-cm-course--workshop\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">M<\/span><h3>Service \/ maintenance reminder<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/service-maintenance-reminder.webp\" alt=\"Motor grader service or maintenance reminder\" loading=\"lazy\" width=\"720\" height=\"620\"><\/figure>\n      <p><strong>First action:<\/strong> check the service interval and arrange the required maintenance rather than clearing the reminder and continuing indefinitely.<\/p>\n    <\/article>\n  <\/div>\n\n  <p>Engine coolant temperature, hydraulic oil temperature, fuel, DEF, articulation and other machine information appear on current grader monitor systems; service menus can also provide diagnostics and machine-status information. <a href=\"#source-3\">[3]<\/a><a href=\"#source-4\">[4]<\/a><a href=\"#source-7\">[7]<\/a><\/p>\n\n  <div class=\"nit-pg-highlight\">\n    <strong>Measure before replacing.<\/strong>\n    <p>Oil pressure, temperature and charging warnings become far more useful when the technician compares the actual physical measurement with sensor data and the dashboard display.<\/p>\n  <\/div>\n<\/section>\n\n<section class=\"nit-pg-section nit-pg-section--comparison\" id=\"aftertreatment\" aria-labelledby=\"aftertreatment-heading\">\n  <p class=\"nit-pg-eyebrow\">Emissions-system messages<\/p>\n  <h2 id=\"aftertreatment-heading\">DEF and DPF indications need the complete dashboard message<\/h2>\n\n  <div class=\"nit-cm-course-grid\" aria-label=\"DEF SCR and DPF dashboard warnings\">\n    <article class=\"nit-cm-course nit-cm-course--technical\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">DEF<\/span><h3>DEF \/ SCR warning<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/def-scr-warning.webp\" alt=\"Motor grader DEF or SCR warning\" loading=\"lazy\" width=\"720\" height=\"441\"><\/figure>\n      <p>Check DEF level and read the accompanying message. When fluid quantity is correct, diagnosis can move to DEF quality, sensing, lines, dosing components, wiring and SCR data. <a href=\"#source-3\">[3]<\/a><a href=\"#source-8\">[8]<\/a><\/p>\n    <\/article>\n\n    <article class=\"nit-cm-course nit-cm-course--workshop\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">DPF<\/span><h3>DPF regeneration required<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/dpf-regeneration-required.webp\" alt=\"Motor grader DPF regeneration required warning\" loading=\"lazy\" width=\"720\" height=\"483\"><\/figure>\n      <p>Read whether regeneration is active, requested, inhibited or associated with a fault. Repeated regeneration failure sends the technician toward soot load, exhaust temperature, pressure\/backpressure data and regeneration history. <a href=\"#source-9\">[9]<\/a><\/p>\n    <\/article>\n\n    <article class=\"nit-cm-course nit-cm-course--community\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">SCR!<\/span><h3>Emissions-system fault<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/adblue-emission-system-fault.webp\" alt=\"Motor grader AdBlue or emissions system fault warning\" loading=\"lazy\" width=\"720\" height=\"488\"><\/figure>\n      <p>Read the complete displayed message, verify DEF quantity and pass the exact fault information to the technician for SCR and after-treatment diagnosis.<\/p>\n    <\/article>\n  <\/div>\n<\/section>\n<section class=\"nit-pg-section\" id=\"status-indicators\" aria-labelledby=\"status-indicators-heading\">\n  <p class=\"nit-pg-eyebrow\">Operating, safety and control status<\/p>\n  <h2 id=\"status-indicators-heading\">Know which illuminated symbols describe machine status rather than a fault<\/h2>\n  <p>Modern grader monitors place operating-status, safety-reminder and machine-mode information beside genuine warnings. A skilled operator recognises the difference and checks for a fault only when the displayed state disagrees with the actual machine condition. <a href=\"#source-3\">[3]<\/a><a href=\"#source-5\">[5]<\/a><\/p>\n  <div class=\"nit-cm-course-grid\" aria-label=\"Motor grader normal operating safety and control indicators\">\n    <article class=\"nit-cm-course nit-cm-course--technical\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">H<\/span><h3>High beam<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/high-beam-indicator.webp\" alt=\"Motor grader dashboard high beam indicator\" loading=\"lazy\" width=\"720\" height=\"342\"><\/figure>\n      <p>Headlights are on high beam. Switch back when high beam is not needed.<\/p>\n    <\/article>\n    <article class=\"nit-cm-course nit-cm-course--workshop\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">W<\/span><h3>Work lights<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/work-lights-indicator.webp\" alt=\"Motor grader dashboard work lights indicator\" loading=\"lazy\" width=\"720\" height=\"346\"><\/figure>\n      <p>Work lamps are on. Switch them off when not required.<\/p>\n    <\/article>\n    <article class=\"nit-cm-course nit-cm-course--community\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">F<\/span><h3>Blade float<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/blade-float-mode-indicator.webp\" alt=\"Motor grader dashboard blade float indicator\" loading=\"lazy\" width=\"720\" height=\"347\"><\/figure>\n      <p>Moldboard float is active. Investigate only when selected status and blade behaviour disagree.<\/p>\n    <\/article>\n    <article class=\"nit-cm-course nit-cm-course--technical\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">D<\/span><h3>Differential lock<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/differential-lock-indicator.webp\" alt=\"Motor grader dashboard differential lock indicator\" loading=\"lazy\" width=\"720\" height=\"339\"><\/figure>\n      <p>Differential lock is engaged. Disengage when the working condition no longer requires it.<\/p>\n    <\/article>\n    <article class=\"nit-cm-course nit-cm-course--workshop\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">A<\/span><h3>Articulation angle<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/articulation-angle-display.webp\" alt=\"Motor grader dashboard articulation angle indicator\" loading=\"lazy\" width=\"720\" height=\"464\"><\/figure>\n      <p>Shows the relationship between front and rear frames; use it to maintain awareness of grader geometry.<\/p>\n    <\/article>\n    <article class=\"nit-cm-course nit-cm-course--community\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">I<\/span><h3>Implement lock<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/implement-hydraulic-lock-indicator.webp\" alt=\"Motor grader dashboard implement hydraulic lock indicator\" loading=\"lazy\" width=\"720\" height=\"492\"><\/figure>\n      <p>Confirms implement controls are locked. Release the lock before operating implements when required.<\/p>\n    <\/article>\n    <article class=\"nit-cm-course nit-cm-course--technical\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">C<\/span><h3>Centershift \/ saddle lock<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/centershift-saddle-lock-indicator.webp\" alt=\"Motor grader dashboard centershift \/ saddle lock indicator\" loading=\"lazy\" width=\"720\" height=\"694\"><\/figure>\n      <p>Confirm lock status before repositioning or operating the blade\/centershift system.<\/p>\n    <\/article>\n    <article class=\"nit-cm-course nit-cm-course--workshop\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">F<\/span><h3>Cooling fan reverse<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/cooling-fan-reverse-indicator.webp\" alt=\"Motor grader dashboard cooling fan reverse indicator\" loading=\"lazy\" width=\"720\" height=\"692\"><\/figure>\n      <p>Shows fan reverse mode is active to clear debris from the cooling package.<\/p>\n    <\/article>\n    <article class=\"nit-cm-course nit-cm-course--community\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">S<\/span><h3>Operator presence \/ seat belt<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/operator-presence-seatbelt-warning.webp\" alt=\"Motor grader dashboard operator presence \/ seat belt indicator\" loading=\"lazy\" width=\"720\" height=\"622\"><\/figure>\n      <p>Sit correctly and fasten the seat belt before operating the grader.<\/p>\n    <\/article>\n    <article class=\"nit-cm-course nit-cm-course--technical\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">E<\/span><h3>Eco \/ power mode<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/economy-power-mode-indicator.webp\" alt=\"Motor grader dashboard economy \/ power mode indicator\" loading=\"lazy\" width=\"720\" height=\"620\"><\/figure>\n      <p>Confirms the selected operating mode. Match the mode to the work being done.<\/p>\n    <\/article>\n    <article class=\"nit-cm-course nit-cm-course--workshop\">\n      <div class=\"nit-cm-course__top\"><span class=\"nit-cm-course__icon\" aria-hidden=\"true\">R<\/span><h3>RPM set \/ throttle hold<\/h3><\/div>\n      <figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/niteducation.com\/resources\/wp-content\/uploads\/2026\/10\/engine-rpm-set-throttle-hold.webp\" alt=\"Motor grader dashboard rpm set \/ throttle hold indicator\" loading=\"lazy\" width=\"720\" height=\"618\"><\/figure>\n      <p>Shows preset engine speed or throttle hold is active. Confirm the setting before continuing.<\/p>\n    <\/article>\n  <\/div>\n<\/section>\n\n<section class=\"nit-pg-section nit-pg-section--comparison\" id=\"operator-report\" aria-labelledby=\"operator-report-heading\">\n  <p class=\"nit-pg-eyebrow\">Preserve the evidence<\/p>\n  <h2 id=\"operator-report-heading\">What the operator should record before the technician arrives<\/h2>\n  <p>The operator has information that can disappear after the machine cools, restarts or leaves the working condition that produced the warning.<\/p>\n\n  <div class=\"nit-pg-table-wrap\" role=\"region\" tabindex=\"0\" aria-label=\"Motor grader dashboard fault report\">\n    <table class=\"nit-pg-table\">\n      <thead><tr><th scope=\"col\">Record<\/th><th scope=\"col\">Example<\/th><th scope=\"col\">Why it helps<\/th><\/tr><\/thead>\n      <tbody>\n        <tr><th scope=\"row\">Dashboard indication<\/th><td>Brake-pressure warning<\/td><td>Identifies the affected system.<\/td><\/tr>\n        <tr><th scope=\"row\">Message \/ code<\/th><td>Exact wording or number displayed<\/td><td>Preserves machine-generated evidence.<\/td><\/tr>\n        <tr><th scope=\"row\">Machine hours<\/th><td>6,842 h<\/td><td>Links the event with service and fault history.<\/td><\/tr>\n        <tr><th scope=\"row\">Work being done<\/th><td>Heavy shoulder grading<\/td><td>Shows the load and operating context.<\/td><\/tr>\n        <tr><th scope=\"row\">Gear \/ speed<\/th><td>3rd gear \u00b7 low travel speed<\/td><td>Useful for powertrain heat and load analysis.<\/td><\/tr>\n        <tr><th scope=\"row\">When it appeared<\/th><td>After 25 minutes<\/td><td>Separates cold-start, warm and heat-related faults.<\/td><\/tr>\n        <tr><th scope=\"row\">Machine behaviour<\/th><td>Steering became heavy<\/td><td>Connects the dashboard warning with a physical symptom.<\/td><\/tr>\n        <tr><th scope=\"row\">Visible evidence<\/th><td>No external leak seen<\/td><td>Adds a safe visual observation without turning the operator into the repair technician.<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n  <p class=\"nit-pg-table-note\">On a small screen, swipe horizontally to compare all three columns.<\/p>\n<\/section>\n\n<section class=\"nit-pg-section\" aria-labelledby=\"technician-sequence-heading\">\n  <p class=\"nit-pg-eyebrow\">Technician sequence<\/p>\n  <h2 id=\"technician-sequence-heading\">Turn the dashboard warning into a physical diagnosis<\/h2>\n  <div class=\"nit-pg-reasons\" aria-label=\"Technician diagnostic sequence\">\n    <div><span>01<\/span><h3>Confirm<\/h3><p>Read the operator report, reproduce the complaint when appropriate and check active warnings, stored information and live machine data.<\/p><\/div>\n    <div><span>02<\/span><h3>Inspect<\/h3><p>Look at the affected physical system for fluid level, leakage, heat, restriction, damaged wiring, loose connectors or another visible change.<\/p><\/div>\n    <div><span>03<\/span><h3>Measure<\/h3><p>Measure the relevant pressure, temperature, voltage, signal or other operating value instead of replacing parts from the icon alone.<\/p><\/div>\n    <div><span>04<\/span><h3>Compare &amp; test<\/h3><p>Compare physical measurement, sensor data and dashboard information; repair the cause and verify under the condition that originally produced the warning.<\/p><\/div>\n  <\/div>\n\n  <div class=\"nit-pg-highlight\">\n    <strong>One symbol can lead to different diagnoses.<\/strong>\n    <p>An oil-pressure warning with genuinely low measured pressure sends the technician into the lubrication system. Normal measured pressure with an abnormal monitor reading sends the investigation toward sensing and electrical input.<\/p>\n  <\/div>\n<\/section>\n\n<section class=\"nit-pg-section nit-pg-section--comparison\" id=\"nit-practical\" aria-labelledby=\"nit-practical-heading\">\n  <p class=\"nit-pg-eyebrow\">Newton Institute of Technology practical demonstration<\/p>\n  <h2 id=\"nit-practical-heading\">Teach the symbol by connecting the cab to the physical machine<\/h2>\n  <p>At Newton Institute of Technology, motor grader dashboard knowledge is most useful when the learner can connect what appears on the monitor with the system that produced it. NIT&#8217;s separate Motor Grader Parts and Functions guide covers the mechanical systems behind the machine, while this guide stays focused on dashboard interpretation and operator-to-technician handover. <a href=\"#source-10\">[10]<\/a><\/p>\n\n  <div class=\"nit-deg-band-grid\" aria-label=\"Newton Institute of Technology motor grader dashboard practical exercises\">\n    <article class=\"nit-deg-band\">\n      <div class=\"nit-deg-band__head\"><span>NIT practical 1<\/span><h3>Brake-pressure warning<\/h3><\/div>\n      <ul>\n        <li>Learner identifies the braking system.<\/li>\n        <li>Learner states the operating decision before any technical diagnosis begins.<\/li>\n        <li>Trainer connects the warning with actual pressure, braking-system components and the warning circuit.<\/li>\n        <li>The student learns the operator side and the technician side of the same dashboard message.<\/li>\n      <\/ul>\n    <\/article>\n\n    <article class=\"nit-deg-band nit-deg-band--competitive\">\n      <div class=\"nit-deg-band__head\"><span>NIT practical 2<\/span><h3>Hydraulic temperature &amp; status indicators<\/h3><\/div>\n      <ul>\n        <li>The learner links hydraulic heat with blade lift, circle, side shift, centershift, articulation and wheel lean.<\/li>\n        <li>The trainer then activates a normal status such as differential lock or blade float.<\/li>\n        <li>The learner distinguishes a genuine warning from an intentionally selected function.<\/li>\n        <li>The exercise finishes with a short defect report that another technician can act on.<\/li>\n      <\/ul>\n    <\/article>\n  <\/div>\n\n  <div class=\"nit-pg-highlight\">\n    <strong>Practical learning objective<\/strong>\n    <p>The operator should leave the lesson able to recognise the system, make the correct cab decision and report the evidence clearly. The technician-level learner should be able to identify the first physical measurement that confirms or rejects the dashboard indication.<\/p>\n  <\/div>\n<\/section>\n\n<section class=\"nit-pg-section\" aria-labelledby=\"scope-heading\">\n  <p class=\"nit-pg-eyebrow\">Keep the learning cluster clear<\/p>\n  <h2 id=\"scope-heading\">What this guide covers \u2014 and where the next guide begins<\/h2>\n  <div class=\"nit-pg-definitions\">\n    <div class=\"nit-pg-definition\">\n      <span class=\"nit-pg-definition__number\">185<\/span>\n      <p class=\"nit-pg-definition__label\">This article<\/p>\n      <h3>Symbol \u2192 meaning \u2192 first action<\/h3>\n      <p>Motor grader dashboard warnings, status indicators, operator response, evidence capture and first technician diagnostic direction.<\/p>\n    <\/div>\n    <div class=\"nit-pg-definition nit-pg-definition--university\">\n      <span class=\"nit-pg-definition__number\">NEXT<\/span>\n      <p class=\"nit-pg-definition__label\">Dedicated fault-code guide<\/p>\n      <h3>Code \u2192 SPN\/FMI \u2192 deeper interpretation<\/h3>\n      <p>Detailed SPN\/FMI decoding, ECU\/controller code structures and manufacturer-specific code tables should remain in a separate motor grader fault-code article rather than being mixed into this warning-symbol guide.<\/p>\n    <\/div>\n  <\/div>\n  <p>For full grader component familiarisation use NIT&#8217;s <a href=\"https:\/\/niteducation.com\/resources\/motor-grader-parts-and-functions\/\">Motor Grader Parts and Functions guide<\/a>. For blade control, road profile and practical G5 operating skill use <a href=\"https:\/\/niteducation.com\/resources\/motor-grader-training-kenya\/\">Motor Grader Training in Kenya<\/a>. For whole-machine checks before work, use the <a href=\"https:\/\/niteducation.com\/resources\/plant-operator-pre-start-inspection-checklist-kenya\/\">Plant Operator Pre-Start Inspection Checklist<\/a>. <a href=\"#source-10\">[10]<\/a><a href=\"#source-11\">[11]<\/a><a href=\"#source-12\">[12]<\/a><\/p>\n<\/section>\n\n<section class=\"nit-pg-section\" id=\"faqs\" aria-labelledby=\"faqs-heading\">\n  <p class=\"nit-pg-eyebrow\">Quick reference<\/p>\n  <h2 id=\"faqs-heading\">Motor grader warning-light FAQs<\/h2>\n  <div class=\"nit-pg-faq\">\n    <details><summary>What warning lights should a motor grader operator take most seriously?<\/summary><div><p>Brake pressure, steering, engine oil pressure and excessive system-temperature warnings deserve immediate attention because they affect machine control or major mechanical systems.<\/p><\/div><\/details>\n    <details><summary>What does the oil-can symbol mean on a motor grader?<\/summary><div><p>It identifies the engine lubrication or oil-pressure system. Protect the engine first; the technician should then verify actual oil pressure before moving to the sensor and electrical circuit.<\/p><\/div><\/details>\n    <details><summary>What does the thermometer symbol mean?<\/summary><div><p>Identify the system beside the temperature indication. A grader can monitor engine coolant, hydraulic oil, transmission or torque-converter oil and differential temperature separately.<\/p><\/div><\/details>\n    <details><summary>What does the battery symbol mean?<\/summary><div><p>It points toward the charging system. The first useful technician check is charging voltage and alternator output, followed by batteries, cables, grounds and circuit protection.<\/p><\/div><\/details>\n    <details><summary>What does a steering warning mean on a grader?<\/summary><div><p>It identifies a steering-system condition. On graders with secondary steering, the backup system can provide steering assistance after primary steering pressure drops so the machine can be brought to a stop. <a href=\"#source-6\">[6]<\/a><\/p><\/div><\/details>\n    <details><summary>Is differential lock a fault light?<\/summary><div><p>Normally it is a status indicator confirming that differential lock is engaged. Investigate when the displayed state and actual drivetrain behaviour disagree.<\/p><\/div><\/details>\n    <details><summary>What does blade float mean?<\/summary><div><p>It confirms that the moldboard float function is active. If the selected mode and actual blade response disagree, the control or hydraulic system needs checking.<\/p><\/div><\/details>\n    <details><summary>What does the DEF light mean?<\/summary><div><p>It identifies DEF\/SCR system information. Read the accompanying message to determine whether the condition concerns fluid level, fluid quality, sensing or SCR system operation.<\/p><\/div><\/details>\n    <details><summary>What does the DPF symbol mean?<\/summary><div><p>It relates to particulate-filter loading and regeneration. The accompanying message tells the operator whether regeneration is occurring, requested, inhibited or associated with a fault.<\/p><\/div><\/details>\n    <details><summary>Can a motor grader continue working when a warning appears?<\/summary><div><p>The answer depends on the system. Identify the warning first. Brake pressure, steering and engine oil pressure require a different operating decision from a normal parking-brake, differential-lock or blade-float indicator.<\/p><\/div><\/details>\n    <details><summary>Should an operator clear fault codes?<\/summary><div><p>The operator&#8217;s useful job is to record the displayed information accurately and report the operating condition. Detailed fault-code decoding and clearing belongs to the technical diagnostic process.<\/p><\/div><\/details>\n  <\/div>\n<\/section>\n\n<section class=\"nit-pg-final\" aria-labelledby=\"final-heading\">\n  <p class=\"nit-pg-eyebrow\">Remember the sequence<\/p>\n  <h2 id=\"final-heading\">Operator recognises and records. Technician measures and confirms.<\/h2>\n  <p><strong>Operator:<\/strong> identify the system \u00b7 control the grader \u00b7 record the exact indication \u00b7 describe the operating condition \u00b7 report clearly. <strong>Technician:<\/strong> confirm the complaint \u00b7 inspect the system \u00b7 measure the physical condition \u00b7 compare with electronic data \u00b7 repair the cause \u00b7 test the grader.<\/p>\n<\/section>\n\n<section class=\"nit-pg-section\" aria-labelledby=\"related-guides-heading\">\n  <p class=\"nit-pg-eyebrow\">Continue learning<\/p>\n  <h2 id=\"related-guides-heading\">Related Newton Institute of Technology guides<\/h2>\n  <div class=\"nit-lv-related\">\n    <a href=\"https:\/\/niteducation.com\/resources\/motor-grader-parts-and-functions\/\"><span>Machine familiarisation<\/span><strong>Motor Grader Parts and Functions<\/strong><\/a>\n    <a href=\"https:\/\/niteducation.com\/resources\/motor-grader-training-kenya\/\"><span>G5 practical skill<\/span><strong>Motor Grader Training in Kenya<\/strong><\/a>\n    <a href=\"https:\/\/niteducation.com\/resources\/plant-operator-pre-start-inspection-checklist-kenya\/\"><span>Before the machine moves<\/span><strong>Plant Operator Pre-Start Inspection Checklist<\/strong><\/a>\n    <a href=\"https:\/\/niteducation.com\/resources\/plant-operator-training-materials-kenya\/\"><span>Training resources<\/span><strong>Plant Operator Training Materials in Kenya<\/strong><\/a>\n  <\/div>\n<\/section>\n\n<section class=\"nit-pg-enrol\" aria-labelledby=\"enrol-heading\">\n  <div class=\"nit-pg-enrol__copy\">\n    <p class=\"nit-pg-eyebrow\">Learn the machine beyond the controls<\/p>\n    <h2 id=\"enrol-heading\">Register for Motor Grader &amp; Plant Operator Training at Newton Institute of Technology<\/h2>\n    <p>Build practical skills in machine familiarisation, controls, blade operation, positioning, dashboard awareness, pre-start checks and clear fault reporting through NIT&#8217;s hands-on Plant Operator training.<\/p>\n  <\/div>\n  <div class=\"nit-pg-enrol__details\">\n    <p><span>Course<\/span><strong>Plant Operator \u00b7 Motor Grader G5<\/strong><\/p>\n    <p><span>Training format<\/span><strong>2 months \u00b7 70% practical \/ 30% theory<\/strong><\/p>\n    <p><span>Intake<\/span><strong>Monthly \u00b7 Migori Town<\/strong><\/p>\n  <\/div>\n  <div class=\"nit-pg-enrol__actions\">\n    <a class=\"nit-pg-button nit-pg-button--gold\" href=\"https:\/\/niteducation.com\/admissions\/\">Register \/ admissions<\/a>\n    <a class=\"nit-pg-button nit-pg-button--outline\" href=\"https:\/\/niteducation.com\/resources\/motor-grader-training-kenya\/\">View motor grader training<\/a>\n  <\/div>\n<\/section>\n\n<div class=\"nit-pg-sources\" aria-labelledby=\"sources-heading\">\n  <h2 id=\"sources-heading\">Technical references<\/h2>\n  <ol>\n    <li id=\"source-1\"><strong>International Organization for Standardization.<\/strong> <cite>ISO 6405-1:2017 \u2014 Earth-moving machinery \u2014 Symbols for operator controls and other displays \u2014 Part 1: Common symbols.<\/cite> Current edition confirmed in 2022. <a href=\"https:\/\/committee.iso.org\/cms\/live\/live\/en\/sites\/isoorg\/contents\/data\/standard\/06\/85\/68551.html?browse=ics\" target=\"_blank\" rel=\"noopener\">ISO<\/a>.<\/li>\n    <li id=\"source-2\"><strong>International Organization for Standardization.<\/strong> <cite>ISO 6405-2:2017 \u2014 Earth-moving machinery \u2014 Symbols for operator controls and other displays \u2014 Part 2: Symbols for specific machines, equipment and accessories.<\/cite> <a href=\"https:\/\/www.iso.org\/standard\/68552.html\" target=\"_blank\" rel=\"noopener\">ISO<\/a>.<\/li>\n    <li id=\"source-3\"><strong>Caterpillar.<\/strong> <cite>Get to Know Your 120 Motor Grader Monitor.<\/cite> Documents differential lock, parking brake, hydraulic-oil temperature, coolant temperature, DEF, blade slope, articulation angle and diagnostic\/troubleshooting access. <a href=\"https:\/\/www.cat.com\/en_US\/articles\/for-owners\/get-to-know-your-120-motor-grader-monitor.html\" target=\"_blank\" rel=\"noopener\">Official technical article<\/a>.<\/li>\n    <li id=\"source-4\"><strong>Caterpillar.<\/strong> <cite>Introducing Your 140, 150 or 160 Motor Grader Monitor.<\/cite> Documents hydraulic-oil temperature, coolant temperature, DEF level, articulation angle, gear\/speed information and monitor alert behaviour. <a href=\"https:\/\/www.cat.com\/en_US\/articles\/for-owners\/introducing-your-140-150-160-motor-grader-monitor.html\" target=\"_blank\" rel=\"noopener\">Official technical article<\/a>.<\/li>\n    <li id=\"source-5\"><strong>Komatsu.<\/strong> <cite>GD655-7 Motor Grader specifications.<\/cite> Lists indicator functions including battery charge, blade float, brake oil pressure, differential lock, differential oil temperature, engine oil pressure, parking brake and transmission-system indication. <a href=\"https:\/\/www.komatsu.com\/en-us\/products\/equipment\/motor-graders\/gd655-7\" target=\"_blank\" rel=\"noopener\">Official specifications<\/a>.<\/li>\n    <li id=\"source-6\"><strong>Caterpillar.<\/strong> <cite>16 Motor Grader \u2014 Secondary Steering System.<\/cite> Documents automatic engagement of an electric hydraulic pump after a drop in steering pressure so the operator can steer the machine to a stop. <a href=\"https:\/\/www.cat.com\/en_GB\/products\/new\/equipment\/motor-graders\/motor-graders\/18346813.html\" target=\"_blank\" rel=\"noopener\">Official specifications<\/a>.<\/li>\n    <li id=\"source-7\"><strong>Caterpillar.<\/strong> <cite>More 120 Motor Grader Monitor Features.<\/cite> Documents monitor service functions including diagnostics, calibrations, service tests, ECM summary information and machine-status data. <a href=\"https:\/\/www.cat.com\/en_US\/articles\/for-owners\/more-120-motor-grader-monitor-features.html\" target=\"_blank\" rel=\"noopener\">Official technical article<\/a>.<\/li>\n    <li id=\"source-8\"><strong>U.S. Environmental Protection Agency.<\/strong> <cite>Diesel Exhaust Fluid.<\/cite> Technical information on DEF\/SCR systems and monitored DEF-related conditions. <a href=\"https:\/\/www.epa.gov\/regulations-emissions-vehicles-and-engines\/diesel-exhaust-fluid\" target=\"_blank\" rel=\"noopener\">EPA<\/a>.<\/li>\n    <li id=\"source-9\"><strong>U.S. Environmental Protection Agency.<\/strong> <cite>Diesel Particulate Filter Operation and Maintenance.<\/cite> Explains particulate accumulation, exhaust backpressure, regeneration and operator\/service response to DPF alerts. <a href=\"https:\/\/nepis.epa.gov\/Exe\/ZyPURL.cgi?Dockey=P10073LT.TXT\" target=\"_blank\" rel=\"noopener\">EPA technical document<\/a>.<\/li>\n    <li id=\"source-10\"><strong>Newton Institute of Technology.<\/strong> <cite>Motor Grader Parts and Functions: G5 Operator Guide.<\/cite> Dedicated guide to grader working equipment, steering geometry, tandem drive, engine, hydraulics and operator-level machine familiarisation. <a href=\"https:\/\/niteducation.com\/resources\/motor-grader-parts-and-functions\/\">niteducation.com<\/a>.<\/li>\n    <li id=\"source-11\"><strong>Newton Institute of Technology.<\/strong> <cite>Motor Grader Training in Kenya: G5 Requirements, Skills &amp; Duration.<\/cite> Practical guide to grader operation, blade control, material movement and G5 training. <a href=\"https:\/\/niteducation.com\/resources\/motor-grader-training-kenya\/\">niteducation.com<\/a>.<\/li>\n    <li id=\"source-12\"><strong>Newton Institute of Technology.<\/strong> <cite>Plant Operator Pre-Start Inspection Checklist Kenya.<\/cite> Dedicated whole-machine inspection route before equipment goes to work. <a href=\"https:\/\/niteducation.com\/resources\/plant-operator-pre-start-inspection-checklist-kenya\/\">niteducation.com<\/a>.<\/li>\n  <\/ol>\n  <p><strong>Prepared by:<\/strong> Newton Institute of Technology Editorial Team \u00b7 <strong>Institutional \/ Technical review:<\/strong> Engineer Simon Barongo \u00b7 <strong>Last reviewed:<\/strong> 20 October 2026.<\/p>\n<\/div>\n\n<\/div>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>NIT Motor Grader G5 Guide operator action \u00b7 technician direction Motor Grader DashboardWarning Lights &amp;Symbols Explained warning \u00b7 gauge \u00b7 status \u00b7 operator action \u00b7 technician diagnosis A practical G5 guide to reading motor grader dashboard warnings: what the operator should do in the cab, what evidence to record, and where a technician should begin [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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