Engine Indicator Lamps

Engine Indicator Lamps
Engine Indicator Lamps – Driver Actions
Parked Regeneration Procedure
The engine should be fully warmed up (coolant
temperature above 185F)
INDICATOR LAMP
DESCRIPTION
DRIVER ACTION
Amber Warning Lamp
(AWL)
Indicates a fault with the engine
controls.
Vehicle 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 vehicle to the
nearest safe location and
shutdown the engine. Call
for service
DPF Regeneration
Lamp
Solid yellow indicates a parked
regeneration may be needed. Blinking
yellow, derate and/or shutdown are
possible as soot load continues to
increase. Lamp will shut off during
parked regeneration.
Bring Vehicle to highway
speeds to allow for an
Automatic Regeneration
Engine must be at slow idle (can not be in Fast Idle
or PTO Mode)
The transmission must be in neutral
Set the park brake (cycle the park brake OFF to ON)
Press and release the clutch pedal (if configured)
Hold the DPF Switch to the ON position for five (5)
seconds and release (engine speed will increase and
DPF Lamp will go out)
Initiate/Cancel
Regeneration
DPF Switch
The regeneration will take approximately 20-40 min.
OR
Perform a Parked Regeneration
High Exhaust System
Temperature Lamp
(HEST)
This is a information indicator. It
indicates exhaust temperature is above
a preset limit and the unit is operating
at low vehicle speed. Lamp is yellow.
Vehicle can be driven.
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.
The regeneration is complete when the engine
returns to low idle and the DPF lamp remains off.
If the DPF lamp comes back on the regeneration
failed. (Contact the Customer Support Center)
To Cancel a Parked Regeneration hold the DPF
Switch to the ON position for five (5) seconds and
release.
A Parked Regeneration will stop if the key is turned
to the off position, the truck is put into gear or the
parking brake is released.
Detroit Diesel Customer Support Center:
313-592-5800
Regeneration Process – Engine Indicator Lamps
Soot accumulates in filter over time
SOLID
NO DRIVER INTERACTION REQUIRED, FILTER CLEANING
(also called regeneration) IS FULLY AUTOMATIC.
FLASHING
About
1 hour
Bring vehicle to highway speeds to allow for an Automatic Regeneration
OR Perform a Parked Regeneration. FILTER REGENERATION RECOMMENDED.
FLASHING
FLASHING
Heavy-Duty
About
4 hours
Medium-Duty
About
1 hour
Vehicle must be parked and a Parked Regeneration OR Service Regeneration must be performed.
PARKED REGENERATION REQUIRED – ENGINE DERATE.
FLASHING
FLASHING
FLASHING
Bring vehicle to highway speeds to allow for an Automatic Regeneration
OR Perform a Parked Regeneration as soon as possible. FILTER REGENERATION NECESSARY.
+
+
+
Less than
1 hour
You will only see warning lights if the filter cannot perform an automatic cleaning.
SOLID
+
+
Vehicle must be parked and a Parked Regeneration OR Service Regeneration must be performed.
PARKED REGENERATION REQUIRED – ENGINE SHUTDOWN.
Note: Consult the Owner Operators Guide for a
complete description of aftertreatment system.
Example of visor label
Detroit Diesel Customer Support Center: 313-592-5800
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