ABB COMM MODULE fault code meaning
ABB / COMM MODULE
Series: ACS600
Communication module fault
drive
Meaning: Cyclical communication between ACS 600 and fieldbus/ACS 600 Master is lost.
Possible causes
Source: ACS600 Standard Application Program Firmware Manual (EN, official site)
Series: ACS800
30.19) Cyclic communication loss between the drive unit and the host
drive
Meaning: 30.19) Loss of cyclic communication between the drive unit and the host.
Possible causes
Source: ACS800 Standard Application Program Firmware Manual P227