FANUC Alarm SPOT-321 — Gun Cap Change/Type failed
FANUC SPOT-321 (“Gun Cap Change/Type failed”): Gun Cap did not match the new cap model First check: 1. Change Gun Cap 2.
Updated 2026-08-29 · LogrobotLM reference
Description
Gun Cap did not match the new cap model
Remedy · Remède
1. Change Gun Cap 2. Verify that the correct cap type is on the weld gun 3. Adjust the Vision Process as necessary
Frequently asked · Questions fréquentes
- What does FANUC alarm SPOT-321 mean?
- FANUC SPOT-321 (“Gun Cap Change/Type failed”): Gun Cap did not match the new cap model
- How do you troubleshoot FANUC alarm SPOT-321?
- 1. Change Gun Cap 2. Verify that the correct cap type is on the weld gun 3. Adjust the Vision Process as necessary
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 →