Geko 12V 4000 G 41, Operating Instructions Manual

Page: 45 / 124

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
1. Acknowledge alarm.
2. Try to re-start the engine
( Page 3 2).
3. Contact Service.
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)
Reduce power.
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 Fuel supply pressure too low
(2nd 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.
067 L1 T-COOLANT Coolant temperature too high
(1st limit); warning
Reduce power.
068 L2 T-COOLANT Coolant temperature too high
(2nd limit);
automatic engine shutdown
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.
M015403/00E 02-09 © MTU
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