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Road Aircraft Marine Rail Agriculture Heavy Industrial Specialist

Complete symbol library

All symbols and warning lights

Search or browse the full SymbolDeck library. Every symbol card opens a dedicated page with a large icon, explanation, urgency notes and common variants.

Engine / MIL

AdvisoryEngine & powertrainexact standardized

Check Engine / MIL

Engine or emissions-control fault detected.

Engine oil pressure

CriticalEngine & powertrainexact standardized

Oil Pressure Warning

Engine oil pressure is too low.

Coolant temperature

CriticalCoolingexact standardized

Engine Coolant Temperature

Engine coolant temperature is excessive.

Battery / charging

HighElectricalexact standardized

Battery / Charging System

Charging-system output is abnormal.

Brake system malfunction

CriticalBrakesexact standardized

Brake System Warning

A brake-system condition needs attention.

ABS

HighBrakesexact standardized

ABS Warning

Anti-lock braking system fault.

Stability control

AdvisoryStabilityexact standardized

Traction / Stability Control

Traction or stability control is active, limited or faulted.

Tyre pressure monitoring

HighTyresexact standardized

Tyre Pressure Monitoring

One or more tyres may be underinflated, or the monitoring system has a fault.

Airbag

HighSafetyexact standardized

Airbag / SRS Warning

Supplemental restraint system fault.

Seat belt

AdvisorySafetyexact standardized

Seat Belt Reminder

A monitored seating position is not belted.

Diesel particulate filter

HighDiesel & emissionsexact standardized

Diesel Particulate Filter

Diesel particulate filter soot loading or regeneration condition.

DEF / AdBlue

HighDiesel & emissionsexact standardized

AdBlue / DEF Warning

Diesel exhaust fluid level or SCR system requires attention.

High beam

StatusLightingexact standardized

High Beam

Main-beam headlights are on.

Rear fog lamp

StatusLightingexact standardized

Rear Fog Lamp

Rear fog lamp is switched on.

Lane keeping / lane departure

StatusDriver assistanceexact standardized

Lane Assist / Lane Departure

Lane-support system status or intervention.

Adaptive cruise

StatusDriver assistanceexact standardized

Adaptive Cruise Control

Adaptive cruise control is active or ready.

StatusEV & hybridreference

EV READY

Electrified powertrain is ready to drive.

CriticalEV & hybridreference

High-Voltage System Fault

A high-voltage propulsion or battery-system fault is present.

AdvisoryFluidsreference

Washer Fluid Low

Windscreen washer reservoir level is low.

AdvisoryKeys & securityreference

Immobilizer / Key Not Detected

Vehicle cannot authenticate the key or security system needs attention.

ReferenceTyres & markingsreference

Tyre Size Marking

Decode markings such as 225/45 R17 94Y.

ReferenceOil & fluidsreference

Engine Oil Viscosity Label

Decode viscosity grades such as SAE 0W-20 or 5W-30.

StatusPrimary flight instrumentsavionics reference

Attitude / Flight Director Cue

Pitch/roll attitude and flight-director guidance.

StatusAutoflightpanel-style

Autopilot AP Annunciation

Autopilot is engaged or annunciated.

CriticalWarningspanel-style

Master Warning

A high-priority aircraft warning requires immediate crew attention.

HighWarningspanel-style

Master Caution

A caution-level aircraft condition requires crew attention.

StatusLanding gearcockpit reference

Landing Gear Down / Locked

Landing gear indicates down-and-locked.

CriticalLanding gearcockpit reference

Landing Gear Unsafe

Landing gear is not confirmed in a safe configuration.

CriticalEnginepanel-style

Engine Fire Warning

Fire detection system indicates an engine fire condition.

HighFuelpanel-style

Low Fuel / Fuel Quantity Caution

Fuel quantity or fuel-system state requires attention.

HighElectricalpanel-style

Generator / Alternator Fault

Electrical generation source is offline or abnormal.

HighAnti-icepanel-style

Ice Detected / Anti-Ice

Icing is detected or an anti-ice/de-ice system requires attention.

CriticalPressurizationpanel-style

Cabin Altitude Warning

Cabin altitude has exceeded a warning threshold.

StatusNavigationavionics reference

VOR / Localizer Course Deviation

Radio-navigation course deviation guidance.

CriticalTrafficavionics reference

TCAS Resolution Advisory

Traffic collision-avoidance system commands a vertical avoidance manoeuvre.

HighWeatheravionics reference

Weather Radar Return

Radar depicts precipitation intensity / hazard potential.

CriticalAirport markingsstandardized reference

Runway Holding Position Marking

Marks the boundary where an aircraft/vehicle must hold unless cleared to cross/enter.

CriticalHelicoptercockpit reference

Rotor RPM Warning

Main rotor speed is outside the approved range.

StatusNavigationstandardized reference

Anchor Light

Vessel is displaying/using required anchor-light status.

StatusNavigationstandardized reference

Port / Starboard Navigation Lights

Sidelight/navigation-light system status.

CriticalBridge alarmspanel-style

General Alarm

Shipwide emergency alarm indication.

CriticalFire safetypanel-style

Fire Alarm

Fire-detection system has activated.

CriticalFloodingpanel-style

High Bilge Level

Bilge level is above its alarm threshold.

Engine oil pressure

CriticalPropulsionexact standardized

Engine Oil Pressure

Propulsion or auxiliary engine oil pressure is too low.

Coolant temperature

CriticalCoolingexact standardized

Engine Coolant Temperature

Engine cooling temperature is excessive.

CriticalSteeringpanel-style

Steering Gear Fault

Steering system has an abnormal condition.

StatusNavigationstandardized reference

AIS Target Symbol

Represents another AIS-equipped vessel or tracked target.

CriticalNavigationstandardized reference

Dangerous Target / CPA Alert

Tracked target is predicted to pass within configured collision-risk limits.

StatusElectricalpanel-style

Shore Power Connected

Vessel electrical system is connected to shore supply.

Battery / charging

HighElectricalexact standardized

Battery Low

Battery voltage/state of charge is below the configured threshold.

StatusPumpspanel-style

Bilge Pump Running

Bilge pump is operating.

ReferenceSafetystandardized reference

Liferaft / Survival Craft Symbol

Identifies liferaft or survival-craft location/direction.

ReferenceHull markingsstandardized reference

Load Line / Plimsoll Mark

Shows statutory loading limits for different water/season conditions.

ReferenceNavigation marksstandardized reference

Cardinal Mark

Indicates where safe water lies relative to a navigational hazard.

HighCab safetycab-system reference

AWS Warning

Automatic Warning System acknowledgement is required.

CriticalCab safetycab-system reference

TPWS Intervention

Train protection system has demanded a brake application.

HighEuropean signallingcab-system reference

ETCS Braking Indication

Cab signalling shows approach to a permitted-speed braking limit.

Brake system

CriticalBrakesexact standardized

Brake Fault

A train braking subsystem has a detected fault.

StatusDoorsstandardized reference

Doors Closed / Interlock

Passenger doors are proved closed/locked for traction release.

HighTractioncab-system reference

Traction System Fault

One or more traction components are unavailable or degraded.

StatusElectricalstandardized reference

Pantograph Up

Pantograph is raised and intended to contact overhead line equipment.

StatusElectricalcab-system reference

Main Circuit Breaker

High-voltage main breaker/VCB is closed or available.

AdvisoryWheelsstandardized reference

Wheel Slide Protection

Wheel-slide protection is active or faulted.

CriticalSafetystandardized reference

Passenger Emergency Alarm

Passenger alarm/intercom has been activated.

CriticalSignallingstandardized reference

Stop Signal Aspect

A lineside or cab signal commands stop subject to the applicable signalling system.

StatusSignallingstandardized reference

Route Indicator

Indicates the route/diverging path set for a movement.

CriticalInfrastructurestandardized reference

Live Rail / High Voltage

High-voltage traction electrical hazard.

StatusMaintenancecab-system reference

Sanding System

Rail-head sand application system is active/available.

StatusPower take-offcontrol schematic

PTO Engaged

Power take-off shaft is engaged.

CriticalHydraulicscontrol schematic

Hydraulic Oil Temperature

Hydraulic-fluid temperature is excessive.

HighHydraulicscontrol schematic

Hydraulic Filter Restriction

Hydraulic filter restriction is above threshold.

StatusHitchcontrol schematic

Three-Point Hitch Control

Rear linkage position/control status.

StatusDifferentialcontrol schematic

Differential Lock

Differential lock is engaged.

Status4WDcontrol schematic

Four-Wheel Drive

Front axle/4WD system is engaged.

StatusImplementcontrol schematic

ISOBUS Implement Connected

Compatible implement is connected to the tractor data bus.

StatusGuidancecontrol schematic

Guidance / Auto-Steer

Automated steering/guidance is engaged.

HighEnginecontrol schematic

Engine Air Filter Restriction

Engine intake air filter is restricted.

Operator presence / seat

HighSafetycontrol schematic

Operator Presence / Seat Switch

Operator-presence safety circuit is open or needs attention.

AdvisoryCombinecontrol schematic

Grain Tank Full

Combine grain tank is full or approaching capacity.

StatusCombinecontrol schematic

Header Height Control

Automatic header height/contour control is active.

StatusSprayercontrol schematic

Boom Section Control

Automatic sprayer section control is active.

AdvisoryBalercontrol schematic

Bale Density / Chamber Pressure

Baler chamber density/pressure status.

CriticalHydraulicscontrol schematic

Hydraulic Pressure Warning

Hydraulic system pressure is outside the safe range.

CriticalStabilitystandardized reference

Crane Overload / Rated Capacity

Rated capacity limiter indicates an overload or limit condition.

HighStabilitystandardized reference

Machine Tilt / Slope Warning

Machine inclination is approaching/exceeding a configured limit.

Diesel particulate filter

HighEngineexact standardized

DPF Regeneration Required

Aftertreatment requires regeneration/service action.

StatusAttachmentscontrol schematic

Quick Coupler Locked

Attachment coupler is indicated locked.

CriticalAttachmentscontrol schematic

Quick Coupler Unlocked

Attachment coupler is unlocked or not proved locked.

Brake system malfunction

StatusBrakesexact standardized

Parking Brake

Parking brake is applied or brake system has a related alert.

CriticalTransmissioncontrol schematic

Transmission Temperature

Transmission oil temperature is excessive.

StatusGrade controlcontrol schematic

Grade Control Active

Machine-control/grade-assist system is active.

Seat belt

AdvisorySafetyexact standardized

Operator Seat Belt

Seat belt is not fastened while the machine is enabled.

HighSafetystandardized reference

Object / Personnel Detection

Proximity detection has identified an object/person in a monitored zone.

HighFluidscontrol schematic

Water in Fuel

Water separator/fuel filter has detected accumulated water.

HighLubricationcontrol schematic

Automatic Lubrication Fault

Central lubrication system is not completing correctly.

StatusCranecontrol schematic

Outrigger / Stabilizer Status

Stabilizers are deployed/confirmed in a configured position.

CriticalForklift safetystandardized reference

Forklift Overload

Load exceeds the permitted condition or stability calculation.

HighForklift safetycontrol schematic

Operator Presence

Operator-presence/interlock condition is not satisfied.

Battery / charging

HighBatteryexact standardized

Traction Battery Low

Industrial traction battery state of charge is low.

CriticalBatterycontrol schematic

Battery Temperature

Traction battery temperature is outside safe limits.

HighMastcontrol schematic

Mast Height Warning

Lift height has reached a configured caution zone.

StatusSteeringcontrol schematic

Steering Angle

Shows drive-wheel/steering orientation.

StatusStabilitystandardized reference

Stability Control Active

Electronic stability assistance is intervening or limiting function.

CriticalMEWPstandardized reference

Platform Overload

MEWP platform load exceeds the rated limit.

CriticalMEWPstandardized reference

MEWP Tilt Alarm

Machine is beyond permitted chassis inclination for elevated operation.

StatusMEWPstandardized reference

Pothole Protection

Pothole-protection mechanism is deployed/confirmed.

AdvisoryWarehousestandardized reference

Pedestrian Warning Light

Projected warning light indicates an approaching industrial vehicle.

HighChargingcontrol schematic

Battery Charger Fault

Industrial battery charger has detected a charging fault.

CriticalMiningstandardized reference

Collision Avoidance Alert

Mining collision-avoidance system indicates an immediate conflict.

CriticalMiningcontrol schematic

Retarder Temperature

Hydrodynamic/electric retarder temperature is excessive.

StatusEmergency vehiclesstandardized reference

Emergency Beacon / Warning Lights

Emergency warning-light system is active.

StatusFire appliancescontrol schematic

Fire Pump Engaged

Fire apparatus pump is engaged/ready for water delivery.

CriticalRescuestandardized reference

Rescue Winch Overload

Winch load/thermal protection is at or above a limit.

StatusAirport groundpanel-style

Ground Power Unit Connected

Aircraft ground electrical power is connected/available.

HighAirport groundcontrol schematic

De-Icer Boom Limit

Aircraft de-icing boom has reached a movement/geometry limit.

HighSnow vehiclescontrol schematic

Track / Belt Temperature

Tracked vehicle drive/belt temperature is high.

StatusUtilitycontrol schematic

Hydraulic PTO Active

Vehicle-mounted hydraulic power system is engaged.

CriticalUtilitycontrol schematic

Outrigger Not Stowed

Stabilizer/outrigger is not confirmed in travel position.

StatusMilitary / off-roadpanel-style

Blackout Lighting

Reduced-signature vehicle lighting mode is active.

CriticalRescuepanel-style

Breathing Air Low

On-board breathing-air cylinder/system pressure is low.