
Malfunction, cause and remedy
17
Faults of the electrics/electronics
17.5
Comprima V 180
Original Operating Instructions 150001053_00_en
207
521102-
Low
Voltage group (UB3) of the KRONE Machine Controller (KMC)
Possible cause
Remedy
FMI 4: An undervoltage or a short circuit to ground has occurred.
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.
Note the error number with the FMI and contact the KRONE
service partner.
521102-
High
Voltage group (UB3) of the KRONE Machine Controller (KMC)
Possible cause
Remedy
FMI 5: A cable break has occurred or the current intensity is too weak.
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.
Note the error number with the FMI and contact the KRONE
service partner.
521102-
Low
Voltage group (UB3) of the KRONE Machine Controller (KMC)
Possible cause
Remedy
FMI 6: There is a short circuit to ground or current intensity is too low.
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.
Note the error number with the FMI and contact the KRONE
service partner.