Detroit Diesel MBE 900 Operator's Manual page 137

TROUBLESHOOTING
Problem—The Engine Is in Emergency Running Mode
Cause
The MCM or CPC or sensor(s),
solenoids and other electronic parts
are damaged.
Problem—The Coolant Temperature Is Above Normal
Cause
The coolant level is too low.
The poly-V belt is loose.
The coolant temperature gauge and/or
sensor is not reading correctly.
The radiator is damaged or dirty.
The water pump is damaged.
The thermostat is not operating
properly.
The fan is not operating properly.
126
DDC-SVC-MAN-0040 0704 Copyright © 2008 DETROIT DIESEL CORPORATION
(constant speed 1,300 rpm)
Bring the vehicle to an authorized
repair facility for service.
Check for coolant leaks, and repair as
needed.
Tighten or replace the poly-V belt.
Bring the vehicle to an authorized
repair facility for service.
Clean the radiator. Repair or replace
the radiator as necessary.
Have an authorized repair facility
replace the water pump.
Have an authorized repair facility
replace the thermostat.
Bring the vehicle to an authorized
repair facility and have the fan hub
checked.
Bring the vehicle to an authorized
repair facility and have the parameter
settings reprogrammed in the MCM
or CPC.
All information subject to change without notice. (Rev. 04/08)
Remedy
Remedy