LogrobotLM

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FANUC Alarm PAIN-321 — WARN Hook2Down confirmation failed

FANUC PAIN-321 (“WARN Hook2Down confirmation failed”): This is a warning during teach operations that the second opener device failed to move to the requested position. First check: Check opener wiring.

Updated 2026-08-29 · LogrobotLM reference

Description

This is a warning during teach operations that the second opener device failed to move to the requested position.

Remedy · Remède

Check opener wiring.

Frequently asked · Questions fréquentes

What does FANUC alarm PAIN-321 mean?
FANUC PAIN-321 (“WARN Hook2Down confirmation failed”): This is a warning during teach operations that the second opener device failed to move to the requested position.
How do you troubleshoot FANUC alarm PAIN-321?
Check opener wiring.

Related codes / Codes liés

PAIN-319WARN HookBase confirmation failedPAIN-320WARN Hook2Up confirmation failedPAIN-322WARN Hook2High confirmation failedPAIN-323WARN Hook2Base confirmation failed

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 →