ABB 0020 fault code meaning
ABB / 0020
Series: ACL30
Output phase current measurement
drive
Meaning: Offset error too large.
Possible causes
Source: ACL30 Elevator Drive User Manual P277
Series: DCS880
The field current does not decrease when the field is disabled.
DC drive
Meaning: 0021 - The measured field current has not reached the field current reference.
Possible causes
Source: DCS880 Firmware Manual_3ADW000474R P370