Download MTU 12 V 4000 L62 Operating instructions

Troubleshooting
5
Fault code
Alarm text
Meaning
Task
023
L1 COOLANT
LEVEL
Engine coolant level too low
Check coolant level and top up, if required
( Page 6 41) .
024
L2 COOLANT
LEVEL
Engine coolant level too low
Check coolant level and top up, if required
( Page 6 41) .
030
ENGINE
OVERSPEED
Engine overspeed; automatic
engine shutdown
044
L1 LEVEL
INTERCOOLER
Charge-air coolant level too
low (1st limit)
Check coolant level and top up, if required
( Page 6 48) .
045
L2 LEVEL
INTERCOOLER
Charge-air coolant level too
low (2nd limit)
1. Check coolant level and top up, if
required ( Page 6 48) .
2. If fault occurs repeatedly: Contact
Service.
051
L1 T-LUBE OIL
Lube-oil temperature too high
(1st limit)
052
L2 T-LUBE OIL
Lube-oil temperature too high
(2nd limit)
1. Reduce power.
2. If fault occurs repeatedly: Contact
Service.
065
L1 P-FUEL
Fuel supply pressure too low
(1st limit)
1. Check fuel lines for leaks; repair
defective lines.
2. Clean fuel prefilter ( Page 6 23).
3. Flush fuel prefilter ( Page 6 25).
4. Replace filter element of fuel prefilter
( Page 6 27).
5. Replace filter element of fuel prefilter
( Page 6 22).
6. If fault is not rectified: Contact
Service.
066
L2 P-FUEL
en
t.r
u
Coolant temperature too high
(1st limit); warning
068
L2 T-COOLANT
Coolant temperature too high
(2nd limit);
automatic engine shutdown
w
L1 T-COOLANT
02-09
Reduce power.
er
en
.g
w
w
Fuel supply pressure too low
(2nd limit)
067
M015403/00E
1. Acknowledge alarm.
2. Try to re-start the engine
( Page 3 2).
3. Contact Service.
1. Check fuel lines for leaks; repair
defective lines.
2. Clean fuel prefilter ( Page 6 23).
3. Flush fuel prefilter ( Page 6 25).
4. Replace filter element of fuel prefilter
( Page 6 27).
5. Replace filter element of fuel prefilter
( Page 6 22).
6. If fault is not rectified: Contact
Service.
Reduce power.
1. Allow the engine to cool down.
2. Check coolant cooler (elements etc.)
and clean contaminated parts (see
manufacturer s documentation).
3. Re-start the engine ( Page 3 2).
4. If fault occurs repeatedly: Contact
Service.
© MTU