
19
Malfunction, cause and remedy
19.5
Faults of the electrics/electronics
240
Comprima F 155 XC
Original Operating Instructions 150001050_01_en
521111-
Low
The voltage group (UB4) has not passed the self-test.
Possible cause
Remedy
FMI 4: An undervoltage or a short circuit to ground has occurred.
There is a cable break or
short circuit.
Note the error number with the FMI and contact the KRONE
service partner.
521112-
Low
The voltage group (UB5) has not passed the self-test.
Possible cause
Remedy
FMI 4: An undervoltage or a short circuit to ground has occurred.
There is a cable break or
short circuit.
Note the error number with the FMI and contact the KRONE
service partner.
521113-
Low
The voltage group (UB6) has not passed the self-test.
Possible cause
Remedy
FMI 4: An undervoltage or a short circuit to ground has occurred.
There is a cable break or
short circuit.
Note the error number with the FMI and contact the KRONE
service partner.
521114-
Low
Supply voltage of the sensors Uext1 faulty.
Possible cause
Remedy
FMI 4: An undervoltage or a short circuit to ground has occurred.
There is a cable break or
short circuit.
Note the error number with the FMI and contact the KRONE
service partner.
521115-
Low
Supply voltage of the sensors Uext2 faulty.
Possible cause
Remedy
FMI 4: An undervoltage or a short circuit to ground has occurred.
There is a cable break or
short circuit.
Note the error number with the FMI and contact the KRONE
service partner.
521116-
Low
Supply voltage of the sensors Uext3 faulty.
Possible cause
Remedy
FMI 4: An undervoltage or a short circuit to ground has occurred.
There is a cable break or
short circuit.
Note the error number with the FMI and contact the KRONE
service partner.
521117-
Low
Supply voltage of the sensors Uext4 faulty.
Possible cause
Remedy
FMI 4: An undervoltage or a short circuit to ground has occurred.
There is a cable break or
short circuit.
Note the error number with the FMI and contact the KRONE
service partner.