Inovance 79-3 fault code meaning

Series: MD880

Low voltage

AC drive

Meaning:

Possible causes

• The input-side voltage is too low.
• The selected drive voltage rating is incorrect.
• The drive model setting is incorrect.
• The undervoltage suppression parameter settings are inappropriate.
• The DC bus voltage correction factor setting is inappropriate.
• Soft-charge resistor, driver board, or control board error.
• DC bus voltage display error.

Source: MD880 Series AC Drive Function Manual (HCU) P637