LogrobotLM

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FANUC Alarm VISN-540 — PAUSE Bad scanning direction

FANUC VISN-540 (“PAUSE Bad scanning direction”): The scanning direction must be +X, -X, +Y or -Y. First check: Correct the scanning direction in the sensor schedule screen.

Updated 2026-08-29 · LogrobotLM reference

Description

The scanning direction must be +X, -X, +Y or -Y.

Remedy · Remède

Correct the scanning direction in the sensor schedule screen.

Frequently asked · Questions fréquentes

What does FANUC alarm VISN-540 mean?
FANUC VISN-540 (“PAUSE Bad scanning direction”): The scanning direction must be +X, -X, +Y or -Y.
How do you troubleshoot FANUC alarm VISN-540?
Correct the scanning direction in the sensor schedule screen.

Related codes / Codes liés

VISN-538PAUSE Bad scanning rangeVISN-539PAUSE Scanning range not madeVISN-541PAUSE Bad scanning widthVISN-542PAUSE Bad spot pitch

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 →