Fanuc alarm PS0044: G27-G30 NOT ALLOWED IN FIXED CYC
PS alarm (program/operation) · Fanuc 0i-D
What it means
One of G27 to G30 (reference position return/check commands) was commanded while a canned cycle was active. The canned cycle must be cancelled (G80) before commanding these G codes.
Likely causes
- Reference-return block inside a drilling canned cycle
- Forgotten G80 before G28/G30
- Subprogram expecting cleared modal state
Need the part urgently?
Send us alarm PS0044 with your machine details — typical RFQ turnaround is 24–48h.