ABB 71A2 fault code meaning
ABB / 71A2
Series: ACH531, ACQ531
Mechanical brake application failure
drive
Meaning: Mechanical holding brake control fault.
Possible causes
Source: ACH531 Firmware Manual P141; ACQ531 Firmware Manual P123
Series: ACS380
Mechanical brake application failure
drive
Meaning: Fault function: Mechanical brake control fault.
Possible causes
Source: ACS380 Machinery Control Program Firmware Manual P444
Series: ACS530
Mechanical brake application failure
drive
Meaning: The mechanical brake acknowledgement status was not as expected while the brake was being applied.
Possible causes
Source: ACS530 Firmware Manual P276
Series: ACS860
Mechanical brake application failure
drive
Meaning: Fault function: The mechanical brake acknowledgment status is not as expected while the brake is being applied.
Possible causes
Source: ACS860 Basic Control Program Firmware Manual P314
Series: ACS880-M04
Mechanical brake application failure
drive
Meaning: Brake applied (holding) fault function. Mechanical brake control fault.
Possible causes
Source: ACS880-M04 Machinery Control Program Firmware Manual P440
Series: ACS880-MARINE
Mechanical brake application failure
drive
Meaning: Mechanical brake acknowledgement status does not match the expected status while the brake is applied.
Possible causes
Source: ACS880 Light Marine P330
Series: ACS880-POS, ACS880-WINCH, ACS880
Mechanical brake application fault
drive
Meaning: Mechanical braking control fault.
Possible causes
Source: ACS880 Position Control Program P465; ACS880 Winch Control Program P571; ACS880 Basic Control Program Firmware Manual P476