Problem & answerH-15
Inverter (VFD) Fault
Likely causes
- Over-voltage or under-voltage
- Motor overload
- Overheating
How to fix it
- 1Read the inverter error code.
- 2Check supply voltage.
- 3Verify motor load.
- 4Inspect the cooling fan and ventilation.
- 5Reset the inverter after correcting the fault.
It is fixed when
Drive runs without fault alarms during production.
Stop it coming back
- Keep the electrical cabinet clean and well ventilated.
Did this solve the problem?