ABB A7CB fault code meaning
ABB / A7CB
Series: ACS580MV
Master/follower communication loss
drive
Meaning: Master/follower communication loss function. Master/follower communication is open.
Possible causes
Source: ACS580MV Firmware Manual P316
Series: ACS860
MF communication loss
drive
Meaning: Slave communication loss function. Master/slave communication loss.
Possible causes
Source: ACS860 Basic Control Program Firmware Manual P304
Series: ACS880
Master/follower communication loss
drive
Meaning: Communication loss function: Master/follower communication is open.
Possible causes
Source: ACS880 Basic Control Program Firmware Manual P461
Series: ACS880-M04
MF communication loss
drive
Meaning: Master/follower communication loss function. Master/follower communication interrupted.
Possible causes
Source: ACS880-M04 Machinery Control Program Firmware Manual P423
Series: ACS880-POS
MF communication open
drive
Meaning: Communication loss function: Master/follower communication is open.
Possible causes
Source: ACS880 Position Control Program P449
Series: ACS880-WINCH
MF communication loss
drive
Meaning: ... loss function. Master/slave communication loss.
Possible causes
Source: ACS880 Winch Control Program P556
Series: DCS880
Master-follower
DC drive
Meaning: communication.Programmable. (master-follower communication).
Possible causes
Source: DCS880 Firmware Manual_3ADW000474R P364