ABB A784 fault code meaning

Series: ACH531, ACM510-S, ACM510-V, ACP510, ACQ531, ACS180, ACS280, ACS380, ACS580

Motor disconnected

drive

Meaning: All three output phases are disconnected from the motor.

Possible causes

Source: ACH531 Firmware Manual P129; ACM510-01S_04S Drive Firmware Manual P358; ACM510-01V_04V Drive Firmware Manual P401; ACP510 Standard Control Program Firmware Manual P358; ACQ531 Firmware Manual P111; ACS180 Machinery Control Program Firmware Manual P316; ACS280 Firmware Manual P334; ACS380 Machinery Control Program Firmware Manual P430; ACS580 Standard Control Program Firmware Manual P528