FANUC Alarm SPOT-166 — PAUSE Reset welder timeout …-gun 2
Manufacturer wording — PAUSE Reset welder timeout %s-gun 2
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC SPOT-166 (“PAUSE Reset welder timeout …-gun 2”): The robot timed out waiting for the weld controller to reset a major fault First check: Check the weld controller for the reason for this alarm.
Updated 2026-09-17 · LogrobotLM reference
Description
The robot timed out waiting for the weld controller to reset a major fault
Remedy
Check the weld controller for the reason for this alarm. Reset the fault, then chose Skip/Retry option to continue the program.
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 →