MTU 12V4000Bx4 Operating Instructions Manual page 204

92 – SS Starter Speed Not Reached
Cause
The engine has failed to reach the
defined speed threshold within
the defined time.
93 – SS T-Preheat
Cause
The engine coolant temperature
has failed to reach the defined
limit value 2. Preheater is out of
order. Start interlock.
94 – LO T-Preheat
Cause
The engine coolant temperature
has failed to reach the defined
limit value 1. Preheater is out of
order.
95 – AL Prelubrication Fault
Cause
The oil pressure at sensor B5.1
has violated the set value. The set
oil pressure was not reached. The
starting sequence was
terminated.
118 – LO ECU Power Supply Voltage
Cause
The supply voltage of the ECU has
undershot specified limit value 1.
119 – LOLO ECU Power Supply Voltage
Cause
The supply voltage of the ECU has
violated set limit value 2.
202 | Troubleshooting | MS15038/01E 2018-11
Corrective action
1. Check pressure supply (plant) of starter.
2. Observe any other messages.
3. Contact Service.
Corrective action
u Contact Service.
Corrective action
u Contact Service.
Corrective action
1. Check engine cabling (→ Page 332).
2. Contact Service.
Corrective action
1. Check condition of batteries (plant).
2. Check plug connections to Engine Control Unit (→ Page 334).
3. Check battery charging-generator.
4. Contact Service.
Corrective action
1. Check condition of batteries (plant).
2. Check plug connections to Engine Control Unit (→ Page 334).
3. Check battery charging-generator.
4. Contact Service.