ABB 6E21 fault code meaning
ABB / 6E21
Series: ACS860-REG
RRU Software
drive
Meaning: An error has occurred in the regenerative rectifier control software.
Possible causes
Source: ACS860 Regenerative Rectifier Control Program Firmware Manual P122
ABB / 6E21
drive
Meaning: An error has occurred in the regenerative rectifier control software.
Source: ACS860 Regenerative Rectifier Control Program Firmware Manual P122