Fanuc alarm PS0114: ILLEGAL EXPRESSION FORMAT
PS alarm (program/operation) · Fanuc 0i-D
What it means
The format of an expression in a custom-macro statement is invalid — operators misplaced, malformed formula, or unsupported construct. Also reported when the parameter tape/format data itself is corrupt.
Likely causes
- Malformed arithmetic expression (e.g. missing operand)
- Operator precedence characters mistyped
- Corrupted format data after memory failure
Need the part urgently?
Send us alarm PS0114 with your machine details — typical RFQ turnaround is 24–48h.