LogrobotLM

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FANUC Alarm TPIF-043 — WARN External change is valid

FANUC TPIF-043 (“WARN External change is valid”): You cannot change the robot (group), be the function that select robot by external DI is valid. First check: Set system variable $MULTI_ROBO.CHANGE_SDI to ZERO

Updated 2026-09-17 · LogrobotLM reference

Description

You cannot change the robot (group), be the function that select robot by external DI is valid.

Remedy

Set system variable $MULTI_ROBO.CHANGE_SDI to ZERO

Related codes

TPIF-041WARN MNUTOOLNUM number is invalidTPIF-042WARN MNUFRAMENUM number is invalidTPIF-044WARN Program is unsuitable for robotTPIF-045WARN Pallet number is over max

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 →