MTU 16V4000M73 Operating Instructions Manual page 95

90 – SS Idle Speed Not Reached
Cause
The engine has failed to reach idle
speed within the defined time
after reaching starter
disengagement speed.
91 – SS Release Speed Not Reached
Cause
The engine has failed to reach
starter disengagement speed
within the defined time after
reaching starter speed.
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 is
below the specified value. The
specified oil pressure was not
reached. The starting sequence
was terminated.
Corrective action
1. For hydraulic starter: Check pressure supply (plant) of starter.
2. For electric starter: Check the starter power supply (plant).
3. Check fuel filter, replace as necessary (→ Page 155).
4. Check fuel prefilter, replace if required.
5. Observe additional messages.
6. Contact Service.
Corrective action
1. For hydraulic starter: Check pressure supply (plant) of starter.
2. For electric starter: Check the starter power supply (plant).
3. Observe additional messages.
4. Contact Service.
Corrective action
1. For hydraulic starter: Check pressure supply (plant) of starter.
2. For electric starter: Check the starter power supply (plant).
3. Observe additional messages.
4. Contact Service.
Corrective action
u Contact Service.
Corrective action
u Contact Service.
Corrective action
u Contact Service.
MS150123/01E 2017-05 | Troubleshooting | 95