6 Troubleshooting
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Fault Name
Operating
Panel
Display
Cause
Possible Solution
Fan fault
E 80.00
Fan fault
Ensure that the fan on the drive unit is
connected correctly.
Ensure that the fan rotates freely.
6.3 Common Symptoms and Solutions
No.
Fault Symptom
Possible Cause
Solution
1
There is no display
upon power-on.
There is no power supply to the
drive or the power input to the
drive is too low.
Check the power supply.
The switch-mode power supply
on the drive board of the drive is
faulty.
Check the bus voltage.
The control board or the
operating panel is faulty.
Contact the agent or Inovance for
technical support.
The rectifier bridge is damaged.
2
"HC" is displayed
upon power-on.
Related components on the
control board are damaged.
Contact the agent or Inovance for
technical support.
The motor or the motor cable is
short-circuited to the ground.
The hall device is faulty.
The mains voltage is too low.
3
"E23.00" is
displayed upon
power-on.
The motor or the motor cable is
short-circuited to the ground.
Check the insulation status of the
motor and the output cable with a
megger.
The drive is damaged.
Contact the agent or Inovance for
technical support.
4
The drive display
is normal upon
power-on, but after
running the drive
displays "HC" and
stops immediately.
The cooling fan is damaged or
does not rotate.
Replace the damaged fan.
The cable of the external control
terminal is short-circuited.
Eliminate the external short-circuit
fault.
5
Err14 (IGBT
overheat)
is detected
frequently.
The carrier frequency is set too
high.
Reduce F0-15 (Carrier frequency).
The cooling fan is damaged, or
the air filter is blocked.
Replace the cooling fan and clean
the air filter.
Components (thermal coupler
or others) inside the drive are
damaged.
Contact the agent or Inovance for
technical support.
