Fanuc alarm PS0122: TOO MANY MACRO NESTING
PS alarm (program/operation) · Fanuc 0i-D
What it means
Custom-macro calls (G65/G66) were nested beyond the permitted depth. The call chain must be flattened or split.
Likely causes
- Recursive G65 calls without termination
- Deeply layered library macros
Need the part urgently?
Send us alarm PS0122 with your machine details — typical RFQ turnaround is 24–48h.