LogrobotLM

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FANUC Alarm SPOT-399 — IWC FIRMWARE UPGRADED

FANUC SPOT-399 (“IWC FIRMWARE UPGRADED”): The IWC firmware has been upgraded on the timer card. First check: None.

Updated 2026-08-29 · LogrobotLM reference

Description

The IWC firmware has been upgraded on the timer card.

Remedy · Remède

None.

Frequently asked · Questions fréquentes

What does FANUC alarm SPOT-399 mean?
FANUC SPOT-399 (“IWC FIRMWARE UPGRADED”): The IWC firmware has been upgraded on the timer card.
How do you troubleshoot FANUC alarm SPOT-399?
None.

Related codes / Codes liés

SPOT-386PAUSE Reset stepper timeout %sSPOT-397Studwelding resume not allowedSPOT-401PAUSE WTC E01: Controller FailureSPOT-490IWC(DG) timer now in weld %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 →