Operating instructions
493 – AL ETC3 CutIn Failure
ZKP-Number: 18.004.203
Cause Corrective action
ETC3 could not be cut in. u Check control valve on ETC 3.
500 – AL Wiring POM Starter 1
ZKP-Number: 14.500.900
Cause Corrective action
A wiring fault was detected in the
connection between starter 1
and POM. This may be due to a
missing consumer, wire break or
a short circuit.
u Check connection between POM and starter.
501 – AL Wiring POM Starter 2
ZKP-Number: 14.500.901
Cause Corrective action
A wiring fault was detected in the
connection between starter 2
and POM. This may be due to a
missing consumer, wire break or
a short circuit.
u Check connection between POM and starter.
502 – AL Open Load POM Alternator
ZKP-Number: 14.500.902
Cause Corrective action
Open load was detected at the
connection of the battery-
charging generator on the POM.
u Check connection between POM and starter.
503 – AL Battery Not Charging
ZKP-Number: 14.500.903
Cause Corrective action
Battery is not charged by
battery-charging generator.
u Check battery-charging generator and cabling.
504 – AL CAN POM Node Lost
ZKP-Number: 14.500.904
Cause Corrective action
POM missing on CAN bus. u Check connection and POM. If alarm occurs in combination with
alarm 508, the resistor in the POM cabling is missing.
108 | Troubleshooting | MS150047/02E 2012-03
TIM-ID: 0000018389 - 002