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PE6000 User Manual
6.2 Common Faults and Solutions
You may come across the following faults during the use of the AC drive. Refer to the following
table for simple fault analysis.
Table 6-1 Troubleshooting to common faults of the AC drive
SN
Fault
There is no display
1
at power-on.
"HC" is displayed
2
at power-on.
"Err23" is
3
displayed at
power-on.
The AC drive
display is normal
upon power-on.
4
But "HC" is
displayed after
running and stops
immediately.
Possible Causes
1: There is no power supply to the AC
drive or the power input to the AC drive
is too low.
2: The power supply of the switch on
the drive board of the AC drive is
faulty.
3: The rectifier bridge is damaged.
4: The control board or the
operation panel is faulty.
5: The cable connecting the control
board and the drive board and the
operation panel breaks.
1: The cable between the drive board
and the control board is in poor
contact.
2: Related components on the control
board are damaged.
3: The motor or the motor cable is
short circuited to the ground.
4: The HALL device is faulty.
5: The power input to the AC drive is
too low.
1: The motor or the motor output cable
is short-circuited to the ground.
2: The AC drive is damaged.
1:The cooling fan is damaged or
locked-rotor occurs.
2: The external control terminal cable
is short circuited.
191
Troubleshooting and Resolutions
Solutions
1: Check the power
supply.
2: Check the bus
voltage.
3: Re-connect the
34-core cables.
4: Contact our
company for technical
support.
1: Re-connect the
34-core cables.
2: Contact our
company for technical
support.
1: Measure the
insulation of the motor
and the output cable
with a megger.
2: Contact our
company for technical
support.
1: Replace the
damaged fan.
2: Eliminate external
fault
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