MBE 4000 DDEC VI Troubleshooting – Section 18.8 Instrument Panel Lamps

Amber Warning Lamp (AWL)‪

Indicates a fault with the engine controls.‪

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

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 truck to the nearest safe location and shutdown the engine. Call for service‪

DPF Regeneration Lamp‪

Solid yellow indicates a manual regeneration is required.‪

Blinking yellow and derate or shutdown are possible if back pressure exceeds limits. Blinking yellow during stationary regeneration‪

Truck may be driven to end of shift. Call for service. Blinking light indicates attention required now.‪

High Exhaust System Temperature Lamp (HEST)‪

Lamp may be red or yellow. Indicates exhaust temperature is above a preset limit. Illuminates during regeneration process if speed below 30 mph and during stationary regeneration‪

Truck may be driven. If lamp remains illuminated for an extended period – longer than 40 minutes call for service.‪

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

Truck may be driven to end of the shift. Call for service‪