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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 code on the ALARM log screen.

Updated 2026-08-29 · LogrobotLM reference

Description

An error occurred when accessing a position register.

Remedy · Remède

Refer to the error code on the ALARM log screen.

Frequently asked · Questions fréquentes

What does FANUC alarm TPIF-091 mean?
FANUC TPIF-091 (“WARN PREG access error”): An error occurred when accessing a position register.
How do you troubleshoot FANUC alarm TPIF-091?
Refer to the error code on the ALARM log screen.

Related codes / Codes liés

TPIF-072WARN Cannot change motion groupTPIF-090WARN This program has motion groupTPIF-092WARN Value %d expected %sTPIF-093WARN USER menu must be selected

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →