Fagor alarm 4023: Auxiliary spindle drive error (qualifier)
CNC 8055 SERCOS drive error (DDS) · Fagor DDS drives
What it means
Attributes the concurrent drive-error class to the auxiliary spindle drive. Combined with classes 4002-4011 it completes the 8055's spindle attribution scheme. No independent meaning - always read together with the class number.
Likely causes
- auxiliary-spindle drive fault reported via Sercos
Need the part urgently?
Send us alarm 4023 with your machine details — typical RFQ turnaround is 24–48h.