ABB E21F fault code meaning
ABB / E21F
Series: ACS580MV
Elevated motor phase U1 temperature
drive
Meaning: The motor phase U1 winding temperature is approaching the temperature limit.
Possible causes
Source: ACS580MV Firmware Manual P326
ABB / E21F
drive
Meaning: The motor phase U1 winding temperature is approaching the temperature limit.
Source: ACS580MV Firmware Manual P326