ABB A7B1 fault code meaning
ABB / A7B1
Series: ACS860
Load speed feedback
drive
Meaning: Feedback error: No load speed feedback signal received.
Possible causes
Source: ACS860 Basic Control Program Firmware Manual P303
Series: ACS880
Load speed feedback
drive
Meaning: No load speed feedback signal received.
Possible causes
Source: ACS880 Basic Control Program Firmware Manual P461
Series: ACS880-M04
Load speed feedback
drive
Meaning: Load feedback fault. No load speed feedback signal received.
Possible causes
Source: ACS880-M04 Machinery Control Program Firmware Manual P422
Series: ACS880-POS
Load speed feedback
drive
Meaning: No load speed feedback has been received.
Possible causes
Source: ACS880 Position Control Program P448
Series: ACS880-WINCH
Load speed feedback
drive
Meaning: No load speed feedback has been received.
Possible causes
Source: ACS880 Winch Control Program P555