FANUC Alarm APSH-020 — WARN Job queue is empty
FANUC APSH-020 (“WARN Job queue is empty”): A request to run the next job in the queue came in, but the queue is empty. First check: Check the external device to make sure that a job number was correctly sent to the controller, or manually edit the job queue to CREATE a job.
Updated 2026-09-17 · LogrobotLM reference
Description
A request to run the next job in the queue came in, but the queue is empty.
Remedy
Check the external device to make sure that a job number was correctly sent to the controller, or manually edit the job queue to CREATE a job.
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 →