ABB 6681 fault code meaning
ABB / 6681
Series: ACH531, ACQ531, ACQ580
Embedded fieldbus communication lost
drive
Meaning: Loss action. Communication interruption in embedded fieldbus (EFB) communication.
Possible causes
Source: ACH531 Firmware Manual P140; ACQ531 Firmware Manual P121; ACQ580 Pump Control Program Firmware Manual P197
Series: ACH580
EFB communication open
drive
Meaning: Communication break in embedded fieldbus (EFB).
Possible causes
Source: ACH580 HVAC Control Program Firmware Manual P287
Series: ACM510-V, ACS580
EFB communication loss
drive
Meaning: Embedded fieldbus (EFB) communication interruption.
Possible causes
Source: ACM510-01V_04V Drive Firmware Manual P409; ACS580 Standard Control Program Firmware Manual P542
Series: ACS180
EFB communication loss
drive
Meaning: Communication with the embedded fieldbus (EFB) has been interrupted.
Possible causes
Source: ACS180 Machinery Control Program Firmware Manual P323
Series: ACS280
EFB communication loss
drive
Meaning: Signal loss action: Communication interruption on the embedded fieldbus (EFB).
Possible causes
Source: ACS280 Firmware Manual P345
Series: ACS380
EFB communication loss
drive
Meaning: Communication lossaction Embedded fieldbus (EFB) communication interrupted.
Possible causes
Source: ACS380 Machinery Control Program Firmware Manual P443
Series: ACS530
Embedded fieldbus communication lost
drive
Meaning: Communication break in embedded fieldbus (EFB).
Possible causes
Source: ACS530 Firmware Manual P275
Series: DCS880
EFB communication. Before the first data set is received, only A7CE
DC drive
Meaning: EFB communication enabled.
Possible causes
Source: DCS880 Firmware Manual_3ADW000474R P364