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FANUC Alarm SPOT-040 — WARN Stud Welder Not Ready

FANUC SPOT-040 (“WARN Stud Welder Not Ready”): The Ready Relay for the current stud welding power unit is off. First check: Reset the fault

Updated 2026-08-29 · LogrobotLM reference

Description

The Ready Relay for the current stud welding power unit is off. This is d by the unit having a fault that has not been reset.

Remedy · Remède

Reset the fault

Frequently asked · Questions fréquentes

What does FANUC alarm SPOT-040 mean?
FANUC SPOT-040 (“WARN Stud Welder Not Ready”): The Ready Relay for the current stud welding power unit is off. This is d by the unit having a fault that has not been reset.
How do you troubleshoot FANUC alarm SPOT-040?
Reset the fault

Related codes / Codes liés

SPOT-038WARN Stud feeders lowSPOT-039PAUSE System air pressure below 85psiSPOT-041WARN Tool not attached %sSPOT-042WARN Stud Welder Time Out Fault

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 →