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FANUC Alarm SPOT-381 — IWC(DG) system error(%d)

FANUC SPOT-381 (“IWC(DG) system error(%d)”): A communication problem with the timer board has occurred. First check: Write down the number of the error and contact a Service Representative:

Updated 2026-08-29 · LogrobotLM reference

Description

A communication problem with the timer board has occurred.

Remedy · Remède

Write down the number of the error and contact a Service Representative:

Frequently asked · Questions fréquentes

What does FANUC alarm SPOT-381 mean?
FANUC SPOT-381 (“IWC(DG) system error(%d)”): A communication problem with the timer board has occurred.
How do you troubleshoot FANUC alarm SPOT-381?
Write down the number of the error and contact a Service Representative:

Related codes / Codes liés

SPOT-379WARN IWC slave busySPOT-380WARN Invalid IWC Firmware VersionSPOT-382PAUSE IWC(DG) illegal stepper number(%s)SPOT-384IWC(DG) leak input (%d)

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 →