ABB A4A1 fault code meaning
ABB / A4A1
Series: ACH531, ACQ531
IGBT overheat
drive
Meaning: Estimated drive IGBT temperature too high.
Possible causes
Source: ACH531 Firmware Manual P126; ACQ531 Firmware Manual P108
Series: ACH580, ACM510-S, ACP510, ACS380, ACS530, ACS880-M04
IGBT overheat
drive
Meaning: The estimated drive IGBT temperature is too high.
Possible causes
Source: ACH580 HVAC Control Program Firmware Manual P279; ACM510-01S_04S Drive Firmware Manual P355; ACP510 Standard Control Program Firmware Manual P355; ACS380 Machinery Control Program Firmware Manual P427; ACS530 Firmware Manual P260; ACS880-M04 Machinery Control Program Firmware Manual P415
Series: ACM510-V, ACS280, ACS580
IGBT overtemperature
drive
Meaning: The estimated drive IGBT temperature is too high.
Possible causes
Source: ACM510-01V_04V Drive Firmware Manual P398; ACS280 Firmware Manual P331; ACS580 Standard Control Program Firmware Manual P524
Series: ACQ580
IGBT overheat
drive
Meaning: The estimated drive IGBT temperature is too high.
Possible causes
Source: ACQ580 Pump Control Program Firmware Manual P182
Series: ACS860
IGBT overtemperature
drive
Meaning: The calculated temperature of IGBT is too high.
Possible causes
Source: ACS860 Basic Control Program Firmware Manual P298
Series: ACS880-MARINE
IGBT overtemperature
drive
Meaning: Estimated drive IGBT temperature is too high.
Possible causes
Source: ACS880 Light Marine P314
Series: ACS880-WINCH
IGBT overheat
drive
Meaning: The estimated drive IGBT temperature is too high.
Possible causes
Source: ACS880 Winch Control Program P548