Fanuc alarm PS0075: PROTECT
PS alarm (program/operation) · Fanuc 0i-D
What it means
An operation touched protected data: registering a program whose number is protected, selecting/calling a background-edited program from the foreground, or supplying a wrong password for an encoded program.
Likely causes
- Attempted overwrite of a protected program number
- Password mismatch on encoded program access
- Foreground/background program conflict during editing
Need the part urgently?
Send us alarm PS0075 with your machine details — typical RFQ turnaround is 24–48h.