Fanuc alarm PS0063: THE BLOCK OF A SPECIFIED SEQUENCE NUMBER IS NOT FOUND
PS alarm (program/operation) · Fanuc 0i-D
What it means
The sequence numbers referenced by P and Q in a multiple repetitive cycle (G70/G71/G72/G73) could not be found in the shape program. The finish/shape boundaries must exist as N numbers.
Likely causes
- N numbers referenced by P/Q deleted or changed
- Cycle calling a different program than expected
- Typo in P or Q values
Need the part urgently?
Send us alarm PS0063 with your machine details — typical RFQ turnaround is 24–48h.