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FANUC Alarm SPOT-154 — PAUSE BACKUP CLOSE DETECT timed out …-gun 2

Manufacturer wording — PAUSE BACKUP CLOSE DETECT timed out %s-gun 2
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC SPOT-154 (“PAUSE BACKUP CLOSE DETECT timed out …-gun 2”): The robot timed out waiting for the backup gun to close. First check: Check the Equipment I/O menu, as well as all wiring.

Updated 2026-09-17 · LogrobotLM reference

Description

The robot timed out waiting for the backup gun to close.

Remedy

Check the Equipment I/O menu, as well as all wiring. If the input is going high, try

Related codes

SPOT-152PAUSE Bad schedule (S=…)-gun 2SPOT-153PAUSE Undefined pressure (P=*)-gun 2SPOT-155PAUSE GUN CLOSE DETECT timed out …-gun 2SPOT-156PAUSE BACKUP OPEN DETECT timed out …-gun 2

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 →