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FANUC Alarm SPOT-044WARN Stud Welder Arc Voltage Fault

FANUC SPOT-044 (“WARN Stud Welder Arc Voltage Fault”): This fault is signaled by the Stud Weld controller if the voltage sensor reports too little arc voltage during the weld process. First check: The stud checker will automaticly verify the quality of the weld.

Updated 2026-08-29 · LogrobotLM reference

Description

This fault is signaled by the Stud Weld controller if the voltage sensor reports too little arc voltage during the weld process. May result in a poor quality weld.

Remedy · Remède

The stud checker will automaticly verify the quality of the weld. If bad, check the position of the gun at the weld spot to insure that the tip is the correct distance.

Frequently asked · Questions fréquentes

What does FANUC alarm SPOT-044 mean?
FANUC SPOT-044 (“WARN Stud Welder Arc Voltage Fault”): This fault is signaled by the Stud Weld controller if the voltage sensor reports too little arc voltage during the weld process. May result in a poor quality weld.
How do you troubleshoot FANUC alarm SPOT-044?
The stud checker will automaticly verify the quality of the weld. If bad, check the position of the gun at the weld spot to insure that the tip is the correct distance.

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 →