Instrument Panel Lamps

Amber Warning Lamp (AWL)

Indicates a fault with the engine controls.

Vehicle can be driven to end of shift. Call for service.

• At the start of every ignition cycle (bulb check).

• Flashes last 90 seconds before idle shutdown if programmed for override.

• When an electronic system fault occurs. (Fault should be diagnosed as soon as possible.)

• Flashes when idle shutdown or the optimized idle shutdown occurs.

Red Stop Lamp (RSL)

Indicates a major engine fault that may result in engine damage. Engine derate and/or shutdown sequence will be initiated.

Move the vehicle to the nearest safe location and shut down the engine. Call for service.

• At the start of every ignition cycle (bulb check).

• Flashes when engine protection shutdown occurs.

• A potential engine damaging fault is detected.

Malfunction Indicator Lamp (MIL)

Yellow lamp Indicates a failure of an Emission Control device. May illuminate at the same time as the Amber Warning Lamp.

Vehicle can be driven to end of the shift. Call for service.

• At the start of every ignition cycle (a bulb check).

• Never flashes.

• For any emission related fault (light out when the fault is inactive).

Fuel Filter Restriction Sensor (FFRS) Lamp

Yellow lamp Indicates that the fuel filter is restricted and needs to be serviced. May illuminate at the same time as the Malfunction Indicator Lamp (MIL) and Amber Warning Lamp (AWL).

Service soon.

• At the start of every ignition cycle (a bulb check).

• Never flashes.

• Fuel filter needs service.

Water-In-Fuel (WIF) Lamp

Yellow lamp indicates that the fuel water separator has reached its capacity and needs to be drained.

Engine water separator must be drained or an engine derate will occur.

• At the start of every ignition cycle (a bulb check).

• Never flashes.

• Water separator has reached it maximum capacity.