ABB A3A2 fault code meaning
ABB / A3A2
Series: ACH531, ACH580, ACQ531, ACS530
DC bus undervoltage
drive
Meaning: Intermediate DC circuit voltage too low (after the drive has stopped).
Possible causes
Source: ACH531 Firmware Manual P126; ACH580 HVAC Control Program Firmware Manual P279; ACQ531 Firmware Manual P108; ACS530 Firmware Manual P260
Series: ACM510-S, ACP510
DC bus overvoltage
drive
Meaning: Intermediate DC circuit voltage too low (after the drive has stopped).
Possible causes
Source: ACM510-01S_04S Drive Firmware Manual P354; ACP510 Standard Control Program Firmware Manual P354
Series: ACM510-V, ACS580
DC circuit undervoltage
drive
Meaning: The intermediate circuit DC voltage is too low (after the drive has stopped).
Possible causes
Source: ACM510-01V_04V Drive Firmware Manual P398; ACS580 Standard Control Program Firmware Manual P523
Series: ACQ580, ACS880
DC bus undervoltage
drive
Meaning: Intermediate DC circuit voltage too low (after the drive has stopped).
Possible causes
Source: ACQ580 Pump Control Program Firmware Manual P181; ACS880 Basic Control Program Firmware Manual P453
Series: ACS180, ACS380
DC bus undervoltage
drive
Meaning: The intermediate circuit voltage is too low (after the drive has stopped).
Possible causes
Source: ACS180 Machinery Control Program Firmware Manual P315; ACS380 Machinery Control Program Firmware Manual P427
Series: ACS280
DC circuit undervoltage
drive
Meaning: Intermediate circuit DC voltage too low (after the drive has stopped).
Possible causes
Source: ACS280 Firmware Manual P331
Series: ACS860
DC undervoltage
drive
Meaning: The intermediate DC circuit voltage is too low (when the drive is stopped).
Possible causes
Source: ACS860 Basic Control Program Firmware Manual P298
Series: ACS880-M04, ACS880-POS
DC circuit undervoltage
drive
Meaning: Intermediate DC circuit voltage too low (after the drive has stopped).
Possible causes
Source: ACS880-M04 Machinery Control Program Firmware Manual P415; ACS880 Position Control Program P441
Series: ACS880-WINCH
DC circuit undervoltage
drive
Meaning: Intermediate DC circuit voltage too low (after the drive has stopped).
Possible causes
Source: ACS880 Winch Control Program P547