MTU Detroit Diesel 12 V 2000 P62 Technical Publication page 76

72
Fault code Fault message
103 INVALID FUEL CONS.
2
104 OP HOURS1 NOT
VALID
105 OP HOURS2 NOT
VALID
106 ERR REC1 NOT VALID Checksum error of fault
107 ERR REC2 NOT VALID Checksum error of fault
118 L1 SUPPLY VOLT.
LOW
119 L2 SUPPLY VOLT.
LOW
120 L1 SUPPLY VOLT.
HIGH
121
L2 SUPPLY VOLT.
HIGH
122 L1 T-ELECTRONIC
134 15V POS ECU
DEFECT
136 15V NEG ECU
DEFECT
139 L1 TE BUFFER TEST
140 TE BUF. ECU DEFECT Temperature sensor supply
142
BANK1 ECU DEFECT
MS15009/00E 06-09
Meaning
Invalid fuel consumption
display, checksum error in
IDM/EEPROM 2 (redundant
data record 2).
Checksum error of hour meter
in EDM/EEPROM 1
Checksum error of hour meter
in IDM/EEPROM 2
memory in EDM/EEPROM 1
(redundant data record 1).
memory in IDM/EEPROM 2
(redundant data record 2).
Supply voltage too low
(1st limit value)
Supply voltage too low
(2nd limit value)
Supply voltage too high
(1st limit value).
Supply voltage too high
(2nd limit value);
automatic engine shutdown
(configurable):
Temperature in ECU housing
too high (1st limit value)
Internal voltage (-15 VDC)
faulty;
automatic engine shutdown.
Internal voltage (-15 VDC)
missing;
automatic engine shutdown
Temperature sensor supply
voltage faulty.
voltage faulty.
Power output stage for control
of solenoid valves on bank 1
is faulty;
engine does not start.
Action
Contact Service.
Hour meter remains operational.
Hour meter remains operational.
Faults are still recorded.
Faults are still recorded.
Contact Service.
• Check engine governor supply
voltage.
Contact Service.
• Check engine governor supply
voltage.
Contact Service.
• Check engine governor supply
voltage.
Contact Service.
• Check engine governor supply
voltage.
1. Improve engine room ventilation.
2. Reduce engine power.
Replace engine governor (→ Engine
operating instructions).
Contact Service.
Contact Service.
• Check sensors;
• replace engine governor.
Contact Service.
• Check sensors;
• replace engine governor.
Replace engine governor (→ Engine
operating instructions).
Troubleshooting
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