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23
Malfunction, cause and remedy
23.1
Malfunctions electrics/electronics
306
BiG Pack 1270 XC
Original Operating Instructions 150000748_01_en
Possible cause
Remedy
FMI 4: There is a cable break/short circuit, general error or undervoltage.
The cabling is faulty.
Check the cabling for damage,
.
One or several sensors/actu-
ators connected to the voltage
group are defective.
An overview of the position of the sensors, actuators and
control units is provided in the circuit diagram,
Check the sensor and cabling for damage,
The control unit KMC is de-
fective.
Replace the control unit KMC.
521101-
High
Voltage group (UB2) of the KRONE Machine Controller (KMC)
Possible cause
Remedy
FMI 5: There is a cable break, general error or overload.
The cabling is faulty.
Check the cabling for damage,
.
One or several sensors/actu-
ators connected to the voltage
group are defective.
An overview of the position of the sensors, actuators and
control units is provided in the circuit diagram,
Check the sensor and cabling for damage,
The control unit KMC is de-
fective.
Replace the control unit KMC.
521101-
Low
Voltage group (UB2) of the KRONE Machine Controller (KMC)
Possible cause
Remedy
FMI 6: There is a short circuit or ground fault.
The cabling is faulty.
Check the cabling for damage,
.
One or several sensors/actu-
ators connected to the voltage
group are defective.
An overview of the position of the sensors, actuators and
control units is provided in the circuit diagram,
Check the sensor and cabling for damage,
The control unit KMC is de-
fective.
Replace the control unit KMC.
521102-
High
Voltage group (UB3) of the KRONE Machine Controller (KMC)