FANUC Alarm SPOT-490 — IWC(DG) timer now in weld %d
FANUC SPOT-490 (“IWC(DG) timer now in weld %d”): An invalid weld controller number was specified. First check: The current number of weld controllers that the system is configured for is displayed in the error message.
Updated 2026-08-29 · LogrobotLM reference
Description
An invalid weld controller number was specified.
Remedy · Remède
The current number of weld controllers that the system is configured for is displayed in the error message. Only use the value one up to and including the number posted on the error line. If you need to increase the number of weld controllers, then perform a controlled start, and define the new number of weld controllers when prompted during the SETUP APPLICATION menu.
Frequently asked · Questions fréquentes
- What does FANUC alarm SPOT-490 mean?
- FANUC SPOT-490 (“IWC(DG) timer now in weld %d”): An invalid weld controller number was specified.
- How do you troubleshoot FANUC alarm SPOT-490?
- The current number of weld controllers that the system is configured for is displayed in the error message. Only use the value one up to and including the number posted on the error line. If you need to increase the number of weld controllers, then perform a controlled start, and define the new number of weld…
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 →