
Malfunction, cause and remedy
21
Malfunctions electrics/electronics
21.1
BiG Pack 1270
Original Operating Instructions 150000747_02_en
283
522561-
FMA1
Force measurement amplifier (FMA) for controlling the force of pressure
Possible cause
Remedy
FMI 4: An undervoltage or a short circuit to ground has occurred.
The wiring to KMC is faulty.
Check wiring for damage.
One or several sensors/actu-
ators connected to the control
unit 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,
522562-
FMA1
Force measurement amplifier (FMA) for controlling the force of pressure
Possible cause
Remedy
FMI 31: The condition has been fulfilled.
The wiring is faulty.
Check wiring.
The control unit is defective.
Note the error number with the FMI and contact the KRONE
service partner.
522563-
FMA1
Force measurement amplifier (FMA) for controlling the force of pressure
Possible cause
Remedy
FMI 4: An undervoltage or a short circuit to ground has occurred.
The wiring to KMC is faulty.
Check wiring for damage.
One or several sensors/actu-
ators connected to the control
unit 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,
522565-
FMA2
Force measurement amplifier (FMA) for weighing device
The wiring is faulty.
Check wiring.
522566-
FMA2
Force measurement amplifier (FMA) for weighing device
Possible cause
Remedy
FMI 4: An undervoltage or a short circuit to ground has occurred.
The wiring to KMC is faulty.
Check wiring for damage.
One or several sensors/actu-
ators connected to the control
unit are defective.
An overview of the position of the sensors, actuators and
control units is provided in the circuit diagram,
Содержание Big Pack 1270
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