FANUC Alarm APSH-170 — WARN Check Nest/Changer Inputs
FANUC APSH-170 (“WARN Check Nest/Changer Inputs”): A macro program to dropoff or pickup studgun 1 or 2 has not been initialized. First check: Proceed to Spot Equipment Menu under MENUS-SETUP and initialize the studwelding macros which will only appear if STUD BACKUP is ENABLED at CONTROLLED START.
Updated 2026-09-17 · LogrobotLM reference
Description
A macro program to dropoff or pickup studgun 1 or 2 has not been initialized.
Remedy
Proceed to Spot Equipment Menu under MENUS-SETUP and initialize the studwelding macros which will only appear if STUD BACKUP is ENABLED at CONTROLLED START.
Related codes
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. How this reference is built →