ABB 5681 fault code meaning
ABB / 5681
Series: ACH531, ACH580, ACQ531, ACS180, ACS380
PU communication
drive
Meaning: A communication error was detected between the drive control unit and the power unit.
Possible causes
Source: ACH531 Firmware Manual P138; ACH580 HVAC Control Program Firmware Manual P286; ACQ531 Firmware Manual P120; ACS180 Machinery Control Program Firmware Manual P322; ACS380 Machinery Control Program Firmware Manual P441
Series: ACM510-S, ACP510
PU communication
drive
Meaning: A communication error has been detected between the drive control unit and the power unit.
Possible causes
Source: ACM510-01S_04S Drive Firmware Manual P367; ACP510 Standard Control Program Firmware Manual P367
Series: ACM510-V, ACS280, ACS580
PU communication
drive
Meaning: A communication error has been detected between the drive control unit and the power unit.
Possible causes
Source: ACM510-01V_04V Drive Firmware Manual P408; ACS280 Firmware Manual P343; ACS580 Standard Control Program Firmware Manual P540
Series: ACQ580, ACS530
PU communication
drive
Meaning: A communication error was detected between the drive control unit and the power unit.
Possible causes
Source: ACQ580 Pump Control Program Firmware Manual P196; ACS530 Firmware Manual P273
Series: ACS860, ACS880-M04, ACS880-MARINE, ACS880
PU communication
drive
Meaning: Control unit power supply configuration mismatch with parameter settings.
Possible causes
Source: ACS860 Basic Control Program Firmware Manual P311; ACS880-M04 Machinery Control Program Firmware Manual P435; ACS880 Light Marine P326; ACS880 Basic Control Program Firmware Manual P471
Series: ACS880-POS, ACS880-WINCH
PU Communication
drive
Meaning: Mismatch between the control unit power supply method and the parameter setting.
Possible causes
Source: ACS880 Position Control Program P460; ACS880 Winch Control Program P566
Series: DCS880
unit
DC drive
Meaning: unit,communication (power unit, communication).
Possible causes
Source: DCS880 Firmware Manual_3ADW000474R P381