Fanuc alarm PS0224: ZERO RETURN NOT FINISHED
PS alarm (program/operation) · Fanuc 0i-D
What it means
Automatic operation was started before a reference position return had been performed (when bit ZRNx of parameter No. 1005 is 0), or a command was issued to a spindle-positioning axis outside spindle-positioning mode. Home the affected axes first, or perform orientation.
Likely causes
- Power-up without manual reference return before cycle start
- Emergency-stop recovery skipping homing
- Spindle positioning axis commanded before orientation
Need the part urgently?
Send us alarm PS0224 with your machine details — typical RFQ turnaround is 24–48h.