E002.1
INOVANCE
MD520 VFD
Hardware overcurrent
⚠ Olası Nedenler
- Output grounding
- Inter-phase short-circuit
- No parameter auto-tuning in vector control mode
- Encoder interference or wire breakage
- Output phase loss
- Current detection exception
- V/f control acceleration/deceleration time too short
- Encoder phase sequence error
- Model setting error
✓ Çözüm Adımları
- Check for output ground points and measure ground impedance by segment using a megohmmeter
- Check whether output side is short circuited
- Set motor parameters correctly and perform auto-tuning again
- Check encoder cable connection and grounding
- Check cables are properly connected
- Contact after-sales service
- Enable overcurrent suppression; increase acceleration/deceleration time
- Change encoder direction if opposite to motor direction
- Set AC drive model correctly (FF-01)
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