7. Fault Diagnosis and Solution
EM15 User’s Manual
116
SN
Fault
Possible Causes
Solutions
3: The PG card is faulty.
4: The drive board is faulty.
3: Ask for technical support.
9
The frequency
inverter reports
overcurrent and
overvoltage
frequently.
1: The motor parameters are set improperly.
2: The acceleration/deceleration time is
improper.
3: The load fluctuates.
1: Re-set motor parameters or
re-perform the motor auto-
tuning.
2: Set proper acceleration/
deceleration time.
3: Ask for technical support.
10
Err17 is reported of
power-on or running.
The soft startup contactor is not sucked up.
1: Check whether the contactor
cable is loose.
2: Check whether the contactor is
faulty.
3: Check whether 24 V power
supply of the contactor is faulty.
4: Ask for technical support.
11
is displayed
of power-on.
Related component on the control board is
damaged.
Replace the control board.