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 2026-09-17 · LogrobotLM reference
Description
The IWC firmware has been upgraded on the timer card.
Remedy
None.
Related codes
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. How this reference is built →