Inovance 91-1 fault code meaning

Series: MD880

Standalone and parallel operation mode setting conflict

AC drive

Meaning:

Possible causes

• A15-00 is set to 0, and HCU is connected to HPCU.
• A15-00 is set to a value other than 0, and HCU is directly connected to HINT.
• Other causes.

Source: MD880 Series AC Drive Function Manual (HCU) P643