Operating instructions

Fault code Alarm text Meaning Task
090 IDLE SPEED LOW Idle speed not reached with-
in a specified period;
Termination of starting pro-
cedure.
Note further alarms.
091 RUN UP SPEED LOW Run-up speed not reached
within a specified period;
Termination of starting pro-
cedure.
Note further alarms.
092 START SPEED LOW Starter speed not reached
within a specified period;
Termination of starting pro-
cedure.
Note further alarms.
093 PREHEAT TEMP. LIM-
IT2
Coolant preheating temper-
ature too low during starting
(2nd limit);
Termination of starting pro-
cedure (depending on
project design).
Check preheating pump / preheating
system (see manufacturer's docu-
mentation).
094 PREHEAT TEMP. LIM-
IT1
Coolant preheating temper-
ature too low during starting
(1st limit)
Check preheating pump / preheating
system (see manufacturer's docu-
mentation).
100 EDM NOT VALID Check sum error of measur-
ing-point data in EDM
If fault occurs repeatedly: Contact
Service.
101 IDM NOT VALID Check sum error of measur-
ing-point data in IDM
If fault occurs repeatedly: Contact
Service.
102 INVALID FUEL CONS
1
Check sum error of accumu-
lated fuel consumption data
in EDM (redundant data re-
cord 1)
Contact Service.
103 INVALID FUEL CONS
2
Check sum error of accumu-
lated fuel consumption data
in EDM (redundant data re-
cord 2)
Contact Service.
104 OP HOURS1 NOT
VALID
Check sum error of hour
meter data in EDM
If fault occurs repeatedly: Contact
Service.
105 OP HOURS2 NOT
VALID
Check sum error of hour
meter data in IDM
If fault occurs repeatedly: Contact
Service.
106 ERR REC1 NOT VALID Check sum error of fault
memory in EDM (redundant
data record 1)
If fault occurs repeatedly: Contact
Service.
107 ERR REC2 NOT VALID Check sum error of fault
memory in EDM (redundant
data record 2)
If fault occurs repeatedly: Contact
Service.
118 L1 SUPPLY VOLT.
LOW
Supply voltage too low (1st
limit)
Check ECU supply voltage.
119 L2 SUPPLY VOLT.
LOW
Supply voltage too low (2nd
limit)
Check ECU supply voltage.
120 L1 SUPPLY VOLT.
HIGH
Supply voltage too high (1st
limit)
Check ECU supply voltage.
121 L2 SUPPLY VOLT.
HIGH
Supply voltage too high (2nd
limit);
Check ECU supply voltage.
If engine was stopped: Start engine
(→ Page 32).
44 | Troubleshooting | M015675/06E 2013-04
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