FANUC Alarm SPOT-078 — PAUSE Weld complete timeout-gun 1
FANUC SPOT-078 (“PAUSE Weld complete timeout-gun 1”): The robot timed out waiting for the Weld Complete input from the weld controller. First check: Check the Weld I/O menu, as well as all wiring.
Updated 2026-09-17 · LogrobotLM reference
Description
The robot timed out waiting for the Weld Complete input from the weld controller.
Remedy
Check the Weld I/O menu, as well as all wiring. If the input is going high, try increasing the timeout by setting $spoteqsetup[].$wld_comp_to to a bigger number. The default is 2000 ms, or 2 seconds.
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 →