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FANUC Alarm ARC-200WARN Arclink ch%d heartbeat timeout

FANUC ARC-200 (“WARN Arclink ch%d heartbeat timeout”): The welding equipment connected on the Arclink is not responding to queries. First check: Check the power and Arclink connections to the welding equipment.

Updated 2026-08-29 · LogrobotLM reference

Description

The welding equipment connected on the Arclink is not responding to queries.

Remedy · Remède

Check the power and Arclink connections to the welding equipment.

Frequently asked · Questions fréquentes

What does FANUC alarm ARC-200 mean?
FANUC ARC-200 (“WARN Arclink ch%d heartbeat timeout”): The welding equipment connected on the Arclink is not responding to queries.
How do you troubleshoot FANUC alarm ARC-200?
Check the power and Arclink connections to the welding equipment.

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 →