Inovance IS580 Series - Symptoms and Diagnostics

IS5800 User Manual Chapter 5 Maintenance and Troubleshooting
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5.4 Symptoms and Diagnostics
The following symptoms may occur during use of the servo drive. When these symptoms occur, perform simple
analysis based on the following table.
No. Symptom Possible Causes Solutions
1 No display upon power-on 1. There is no power supply to the
servo drive.
2. The 8-core cable connecting the
drive board and the control board is
in poor contact.
3. Components inside the servo drive
are damaged.
1. Check the power input.
2. Connect the 8-core cable again.
3. Contact the agent or Inovance.
2 "HC" is displayed upon
power-on.
1. The 4-core cable connecting the
drive board and the control board is
in poor contact.
2. Other components of the servo
drive are broken.
1. Connect the 4-core cable again.
2. Contact the agent or Inovance.
3 "Err23" is displayed upon
power-on.
1. The motor or the motor output
cable is short circuited to the ground.
2. The servo drive is damaged.
1. Check the insulation status of the motor
and the output cable with a megger.
2. Contact the agent or Inovance.
4 The servo drive display is
normal upon power-on, but
displays "HC" after running
and stops immediately.
The cooling fan is damaged or does
not rotate.
Replace the cooling fan.
5 Err14 (module overheat) is
reported frequently.
1. The carrier frequency is set too
high.
2. The cooling fan is damaged, or
the air lter is blocked.
3. Components (thermal coupler or
others) inside the servo drive are
damaged.
1. Reduce the carrier frequency (F0-15).
2. Replace the cooling fan and clean the air
lter.
3. Contact the agent or Inovance.
6 The motor does not rotate
after the servo drive runs.
1. The motor is damaged or locked-
rotor occurs.
2. The motor parameters in group F1
are set improperly.
1. Replace the motor or rectify mechanical
faults.
2. Check and set the motor parameters again.
7 DI terminals are disabled. 1. The related parameters are set
incorrectly.
2. The jumper across OP and +24V
becomes loose.
3. The control board is faulty.
1. Check and set the parameters in group F4
again.
2. Re-connect the cable.
3. Contact the agent or Inovance.
8 In CLVC control mode, the
motor speed cannot be
rise.
1. The encoder is damaged or the
encoder wiring is incorrect.
2. Components inside the servo drive
are damaged.
1. Replace the encoder and correct the wiring.
2. Contact the agent or Inovance.