FANUC Alarm APSH-165 — WARN Invalid Studgun Selection
FANUC APSH-165 (“WARN Invalid Studgun Selection”): There I/O configuration for the proper studwelding gun has not been initialized. First check: Proceed to the Spot Equipment I/O setup screen and configure the digital inputs Gun Present = On/Off, Gun in Nest = On/Off for the 2 stud guns.
Updated 2026-08-29 · LogrobotLM reference
Description
There I/O configuration for the proper studwelding gun has not been initialized.
Remedy · Remède
Proceed to the Spot Equipment I/O setup screen and configure the digital inputs Gun Present = On/Off, Gun in Nest = On/Off for the 2 stud guns. Proper configuration if gun 1 is on the robot is for Gun 1 (Gun Present = ON, Gun in Nest = OFF and for Gun 2 (Gun Present = OFF, Gun in Nest = ON. Proper configuration if gun 2 is on the robot is for Gun 1 (Gun Present = OFF, Gun in Nest = ON and for Gun 2 (Gun Present = ON, Gun in Nest = OFF.
Frequently asked · Questions fréquentes
- What does FANUC alarm APSH-165 mean?
- FANUC APSH-165 (“WARN Invalid Studgun Selection”): There I/O configuration for the proper studwelding gun has not been initialized.
- How do you troubleshoot FANUC alarm APSH-165?
- Proceed to the Spot Equipment I/O setup screen and configure the digital inputs Gun Present = On/Off, Gun in Nest = On/Off for the 2 stud guns. Proper configuration if gun 1 is on the robot is for Gun 1 (Gun Present = ON, Gun in Nest = OFF and for Gun 2 (Gun Present = OFF, Gun in Nest = ON. Proper configuration if…
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 →