MTU 12V2000Gx6 series Operating Instructions Manual page 85

93 – SS T-Preheat
Red alarm; engine start interlock
Cause
Preheating temperature too low
(Level 2); coolant temperature too
low for engine start.
94 – LO T-Preheat
Yellow alarm; warning
Cause
Preheating temperature too low
(Level 1); coolant temperature too
low for engine start.
95 – AL Prelubrication Fault
Yellow alarm; warning
Cause
Oil priming fault.
102 – AL Fuel Cons. Meter Defect
Yellow alarm; warning
Cause
Consumption meter faulty.
104 – AL Eng Hours Counter Defect
Yellow alarm; warning
Cause
Hour meter faulty.
118 – LO ECU Power Supply Voltage
Yellow alarm; warning
Cause
Supply voltage too low (Level 1).
119 – LOLO ECU Power Supply Voltage
Yellow alarm; warning
Cause
Supply voltage too low (Level 2).
Corrective action
1. Extend preheating period.
2. Check preheater.
Corrective action
1. Extend preheating period.
2. Check preheater.
Corrective action
u Contact Service.
Corrective action
u Replace Engine Control Unit at next opportunity.
Corrective action
u Replace Engine Control Unit at next opportunity.
Corrective action
u Check batteries, charge as necessary; check alternator.
Corrective action
u Check batteries, charge as necessary; check alternator.
MS15054/03E 2018-07 | Troubleshooting | 85