MTU 12 V 4000 L62FB Operating Instructions Manual page 98

092 – SS Starter Speed Not Reached
Red alarm. Start terminated.
Associated parameter 2.1090.923
Cause
Minimum speed for flushing
process and ignition release was
not attained.
093 – SS T-Preheat
Red alarm. Engine shutdown.
Associated parameter 2.1090.922
Cause
Preheating temperature too low
(limit value 2). Coolant
temperature too low for engine
start.
094 – LO T-Preheat
Yellow alarm.
Associated parameter 2.1090.921
Cause
Preheating temperature too low
(limit value 1). Coolant
temperature too low for engine
start.
095 – AL Priming Fault
Red alarm. Start terminated.
Associated parameter 2.1090.920
Cause
Oil priming fault.
104 – AL Eng Hours Counter Defect
Yellow alarm.
Associated parameter 1.8004.623
Cause
Operating hours meter defective.
Internal governor fault.
98 | Troubleshooting | MS150098/02E 2016-11
Corrective action
u Check starter system.
Corrective action
1. Check preheating.
2. Check differential coolant pressure.
3. Check heating elements.
4. Check cabling.
Corrective action
1. Check preheating.
2. Check differential coolant pressure.
3. Check heating elements.
4. Check cabling.
Corrective action
1. Check oil pressure, oil temperature, oil level.
2. Check oil priming pump.
Corrective action
u Replace engine governor.