Commissioning and Trial Run
‑135‑
Fault Name Panel
Display
Possible Cause Solution Fault Type
Motor overload E11.00 F9‑01 (Motor overload
protection gain) is set
improperly.
Set F9‑01 (Motor overload protection gain)
correctly. The motor overload time is
prolonged if you increase its value.
Axis fault
The load is too heavy or
the motor rotor is
locked.
Reduce the load, and check the motor and
mechanical conditions.
Input voltage
abnormal
E12.01 Input voltage phase loss
occurs.
Check the three‑phase power supply. Make
sure that it is normal.
Check the input cables. Make sure that they
are not broken.
Check that input terminals. Make sure that
they are properly connected.
Power
supply unit
fault
E12.04 The input three‑phase
voltage is too high.
Check whether the input voltage exceeds
the rated value:
Three‑phase 380 V models: 576 V
Single‑phase 220 V models: 288 V
Power
supply unit
fault
Output phase loss E13.00 The motor is faulty. Check whether an open circuit occurs on the
motor.
Axis fault
The cable connecting
the AC drive and the
motor is abnormal.
Check the cables connecting the AC drive
and the motor.
The three‑phase
outputs of the AC drive
are unbalanced when
the motor is running.
Check whether the motor three‑phase
winding is normal. If not, eliminate the fault.
The driver board or the
IGBT is abnormal.
Seek technical support.
IGBT
overtemperature
E14.00 The ambient
temperature is too high.
Lower the ambient temperature. Power
supply unit
fault
The air filter is blocked. Clean the air filter.
The fan is damaged. Replace the fan.
The thermistor of the
IGBT is damaged.
Seek technical support.
The IGBT is damaged. Seek technical support.
External device fault E15.01 An external fault signal
is input through multi‑
functional DI (NO).
Eliminate the external fault, confirm that the
mechanical condition allows restart (F8‑21),
and reset the running.
Axis fault
E15.02 An external fault signal
is input through multi‑
functional DI (NC).
Eliminate the external fault, confirm that
the mechanical condition allows restart (F8‑
21), and reset the running.
Axis fault
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