Inovance 79-2 fault code meaning
Inovance / 79-2
Series: MD880
High voltage
AC drive
Meaning:
Possible causes
- Check whether the input-side voltage is too high.
- Regenerative operation occurs, but no braking unit is installed or the braking resistor is incorrectly selected.
- The selected drive voltage rating is incorrect.
- The drive model setting is incorrect.
- Incorrect overvoltage suppression parameter settings.
- The DC bus voltage correction factor setting is inappropriate.
- Incorrect speed loop parameter settings in vector control.
- Other issues.
Source: MD880 Series AC Drive Function Manual (HCU) P637