OL The output electricity is over the
inverter capacity.
1. check if the motor is overload
2. decelerate the setup value of
the torque.
3. increase the capacity of the
inverter output
OL 1 The inner component is too high
and the relay reacts.
1. check if the motor is overload
2. check if the electricity current
is proper
3. check the setup of the heater
4. increase the motor capacity
OL 2 The motor is overload. 1. check if the motor load is too
heavy
2. check the setup value of the
torque.
HPF The protect circuit of the
controller is abnormal
Return to the supplier
OCR Electricity occurred while speedy 1. check the screws between the
inverter and the motor
2. check the circuit between
U-V-W to the motor
3. increase the speedy time
4. decelerate the setup value of
the torque
5. replace a inverter with bigger
output.
OCD Electricity occurred while
decelerating
1. check the circuit between
U-V-W to the motor.
2. Extend the decelerating time.
3. replace a inverter with bigger
output.
OC ㄇ
Electricity occurred while running
1. check the circuit between
U-V-W to the motor.
2. check if the motor runs
smoothly
3. replace a inverter with bigger
output.
EF When outer EF terminal is closed,
inverter stops to output
Solve the problem and then press
RESET
EF1 When outer multifunctional input
terminal sets up to be emergency
Solve the problem and then press
RESET
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