HV580L Series Frequency Inverter
177
Inverter unit
protection
Err01
1: The output circuit is grounded or short
circuited.
2: The connecting cable of the motor is too long.
3: The module overheats.
4: The internal connections become loose.
5: The main control board is faulty.
6: The drive board is faulty.
1: Eliminate external faults.
2: Install a reactor or an output filter.
3: Check the air filter and the
cooling fan.
4: Connect all cables properly.
5: Contact the agent or HNC
Electric.
Overcurrent during
acceleration
Err02
1: The output circuit is grounded or short
circuited.
2: Motor auto-tuning is not performed.
3: The acceleration time is too short.
4: Manual torque boost or V/F curve is not
appropriate.
5: The voltage is too low.
6: The startup operation is performed on
the rotating motor.
7: A sudden load is added during
acceleration.
8: The AC drive model is of too small power
class.
1: Eliminate external faults.
2: Perform the motor auto-tuning.
3: Increase the acceleration time.
4: Adjust the manual torque boost
or V/F curve.
5: Adjust the voltage to normal
range.
6: Select rotational speed tracking
restart or start the motor after it
stops.
7: Remove the added load.
8: Select an AC drive of higher
power class.
Fault Name
Display
Possible Causes
Solutions