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FANUC Alarm ARC-202WARN Arclink ch%d obj #%d error resp

FANUC ARC-202 (“WARN Arclink ch%d obj #%d error resp”): A welding equipment component returned an error in response to a request from the controller. First check: Turn the controller and welding equipment off then on again.

Updated 2026-08-29 · LogrobotLM reference

Description

A welding equipment component returned an error in response to a request from the controller.

Remedy · Remède

Turn the controller and welding equipment off then on again.

Frequently asked · Questions fréquentes

What does FANUC alarm ARC-202 mean?
FANUC ARC-202 (“WARN Arclink ch%d obj #%d error resp”): A welding equipment component returned an error in response to a request from the controller.
How do you troubleshoot FANUC alarm ARC-202?
Turn the controller and welding equipment off then on again.

Related codes / Codes liés

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 →