![Krone BiG Pack 870 HDP XC Original Operating Instructions Download Page 283](http://html1.mh-extra.com/html/krone/big-pack-870-hdp-xc/big-pack-870-hdp-xc_original-operating-instructions_2004796283.webp)
Malfunction, cause and remedy
22
Malfunction in the electrics/electronics
22.1
BiG Pack 870 HDP XC
Original Operating Instructions 150000760_00_en
283
Possible cause
Remedy
FMI 5: There is a cable break, general error or overload.
The wiring is faulty.
Check wiring for damage,
One or more sensors/actuat-
ors connected to the voltage
group are defective.
There is an overview of the position of the sensors,
actuators and control units in the circuit diagram,
Check sensor and wiring for damage,
.
The control unit KMC is de-
fective.
The control unit KMC is defective.
521104-
LOW
Voltage group (UB5) of KRONE Machine Controller (KMC)
Possible cause
Remedy
FMI 6: There is a short circuit or ground fault.
The wiring is faulty.
Check wiring for damage,
One or more sensors/actuat-
ors connected to the voltage
group are defective.
There is an overview of the position of the sensors,
actuators and control units in the circuit diagram,
Check sensor and wiring for damage,
.
The control unit KMC is de-
fective.
The control unit KMC is defective.
521105-
High
Voltage group (UB6) of KRONE Machine Controller (KMC)
Possible cause
Remedy
FMI 3: There is a short circuit or an overvoltage.
The wiring is faulty.
Check wiring for damage,
One or more sensors/actuat-
ors connected to the voltage
group are defective.
There is an overview of the position of the sensors,
actuators and control units in the circuit diagram,
Check sensor and wiring for damage,
.
The control unit KMC is de-
fective.
The control unit KMC is defective.
521105-
LOW
Voltage group (UB6) of KRONE Machine Controller (KMC)
Possible cause
Remedy
FMI 4: There is a cable break, cable break/short circuit, general error or undervoltage.
The wiring is faulty.
Check wiring for damage,
One or more sensors/actuat-
ors connected to the voltage
group are defective.
There is an overview of the position of the sensors,
actuators and control units in the circuit diagram,
Check sensor and wiring for damage,
.
The control unit KMC is de-
fective.
The control unit KMC is defective.
521105-
High
Voltage group (UB6) of KRONE Machine Controller (KMC)