FANUC Alarm TPIF-091 — WARN PREG access error
FANUC TPIF-091 (“WARN PREG access error”): An error occurred when accessing a position register. First check: Refer to the error cause code on the ALARM log screen.
Updated 2026-09-17 · LogrobotLM reference
Description
An error occurred when accessing a position register.
Remedy
Refer to the error cause code on the ALARM log screen.
Related codes
Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →