Frequency converter common fault analysis - overvoltage fault

Frequency converter common fault analysis - overvoltage fault

Troubleshooting method of overvoltage fault:

1. Check whether the power supply voltage is normal.

2. Check whether the wiring of the output terminal is normal and whether there is a short circuit to the ground.

3. Whether the acceleration time is too short

4. Whether the load motor is abnormally reversed

5. If the above is normal, it is the frequency converter fault

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