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FANUC Alarm VARS-043 — WARN Variable memory pool is invalid

FANUC VARS-043 (“WARN Variable memory pool is invalid”): The memory pool for this variable does not exists on the controller. First check: Put the old board in back into the controller.

Updated 2026-09-17 · LogrobotLM reference

Description

The memory pool for this variable does not exists on the controller. An auxiliary board has probably been removed or replaced

Remedy

Put the old board in back into the controller. If this board is not available then an INITIAL START is required

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 →