Fanuc alarm PS0073: PROGRAM NUMBER ALREADY IN USE
PS alarm (program/operation) · Fanuc 0i-D
What it means
Registration of a program was refused because the commanded program number already exists in memory. Either delete/rename the existing program or use a different O number.
Likely causes
- Re-loading a program under an existing O number
- Background-edited program occupying the number
Need the part urgently?
Send us alarm PS0073 with your machine details — typical RFQ turnaround is 24–48h.