ABB EXTERNAL FLT fault code meaning
ABB / EXTERNAL FLT
Series: ACS600
External fault
drive
Meaning: There is a fault in one of the external devices. Ch (This information is configured through one of the Ch programmable digital inputs.)
Possible causes
Source: ACS600 Standard Application Program Firmware Manual (EN, official site)
Series: ACS800
External equipment fault
drive
Meaning: External device fault.
Possible causes
Source: ACS800 Standard Application Program Firmware Manual P235