MTU 12 V 2000 P12 Operating Instructions Manual page 66

Fault code
023
024
025
027
030
031
032
044
045
051
052
057
058
065
066
66 | Troubleshooting | MS150025/02E 2012-10
Fault message Meaning
L1 COOLANT LEVEL Coolant level too low
(1st limit value)
L2 COOLANT LEVEL Coolant level too low
(2nd limit value)
L1 P-OILFILTER Oil filter differential pres‐
DIFF sure too high (1st limit val‐
ue)
L1 LEVEL LEAKAGE Leak fuel (1st limit value).
FUEL
ENGINE OVER‐ Engine overspeed; auto‐
SPEED matic emergency engine
stop.
CHARGER 1 OVER‐ ETC 1 – speed violation
SPEED1 (1st limit value).
CHARGER 1 OVER‐ ETC 1 – speed violation.
SPEED2 (2nd limit value)
L1 LEVEL INTER‐ Charge air coolant level too
COOLER high/low (1st limit value
violated).
L2 LEVEL INTER‐ Charge air coolant level too
COOLER high/low (2nd limit value
violated).
L1 T-LUBE OIL Oil temperature too high
(1st limit value)
L2 T-LUBE OIL Lube oil temperature too
high (2nd limit value)
L1 P-COOLANT Coolant pressure too low
(1st limit value)
.
L2 P-COOLANT Coolant pressure too low
(2nd limit value)
L1 P-FUEL Fuel inlet pressure too low
(1st limit value)
L2 P-FUEL Fuel inlet pressure too low
(2nd limit value)
Action
Check coolant level in expansion
tank (→ Engine operating instruc‐
tions).
Check coolant level in expansion
tank (→ Engine operating instruc‐
tions).
Check oil filter (→ Engine operating
instructions).
Check fuel system (→ Engine oper‐
ating instructions).
1. Acknowledge alarm.
2. Attempt to restart engine.
• Engine management system au‐
tomatically reduces power.
• Check air filter (→ Engine op‐
erating instructions).
• Engine management system au‐
tomatically reduces power.
• Check air filter (→ Engine operat‐
ing instructions).
Check coolant level (→ Engine op‐
erating instructions).
Check coolant level (→ Engine op‐
erating instructions).
Reduce power.
1. Reduce power.
2. Check oil level (→ Engine oper‐
ating instructions).
Check coolant circuit
• Automatic engine shutdown.
• Check coolant level (→ Engine
operating instructions).
(→ Engine operating instructions)
• Check fuel lines for leakage.
• Clean fuel prefilter.
• Rinse fuel prefilter.
• Replace fuel prefilter element .
• Replace fuel filter.
(→ Engine operating instructions)
• Check fuel lines for leakage.
• Clean fuel prefilter.
• Rinse fuel prefilter.
• Replace fuel prefilter element .
• Replace fuel filter.