Cause The motor main circuit cable is con
tacng ground to make a short circuit.
Remedy Examine the motor main circuit cable for damage and repair short circuits.
Measure the resistance between the motor main circuit cable and the ground
terminal. If there is electrical conduct on, replace the cable.
Fault CE ‐ Modbus communic
aon error
Cause The communicaons c
able wiring is incorrect.
Remedy Correct wiring errors.
Cause There is a short‐circuit in the communic
aons cable or the communicaons cable
is not connected.
Remedy Repair short circuits and connect cables.
Replace the defecve communicaons cable.
Cause The communicaon pr
otocol is not compable.
Remedy Examine the values set in H5-xx.
Examine the sengs on the controller side and correct the dierence in
communicaon condions.
Fault GF ‐ Ground fault
Cause Overheang c
aused damag
e to the motor or the motor insulaon is not
sasfactory.
Remedy Measure the motor insulaon resistance and replace the motor if there is electrical
conducon or unserviceable insulaon.
Cause The motor main circuit cable is con
tacng ground to make a short circuit.
Remedy Examine the motor main circuit cable for damage and repair short circuits.
Measure the resistance between the motor main circuit cable and the ground
terminal. If there is electrical conducon, replace the cable.
Cause There is a problem with the drive hardware.
Remedy Contact us.
Fault LF ‐ Output phase loss
Cause The motor main circuit cable is disconnected.
Remedy Connect motor main circuit cable wiring. Correct wiring errors in the main circuit
drive input po
wer.
Cause The screws on the drive output terminals are loose.
Remedy Tighten the terminal screws to the correct ght
ening torque.
Cause The output transistor in the drive is damaged.
Remedy Contact us.
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