Fagor alarm 4022: Spindle-2 drive error : <code> (second-spindle qualifier)
CNC 8055 SERCOS drive error (DDS) · Fagor DDS drives
What it means
Same qualifier concept as 4021 but attributing the reported drive-error class to the second spindle. Useful on twin-spindle lathes for immediately knowing which drive head to inspect. Pair it with the class code for the actual cause.
Likely causes
- any spindle-2 drive fault class transmitted over Sercos
Need the part urgently?
Send us alarm 4022 with your machine details — typical RFQ turnaround is 24–48h.