LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

FANUC Alarm PAIN-018 — WARN Invalid job … in queue

Manufacturer wording — WARN Invalid job %s in queue
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PAIN-018 (“WARN Invalid job … in queue”): An invalid job number was received from the PLC. First check: PLC must init robot with a valid job number in order to receive a job read acknowledge from the robot.

Updated 2026-09-17 · LogrobotLM reference

Description

An invalid job number was received from the PLC. Cannot put the job into the job queue.

Remedy

PLC must init robot with a valid job number in order to receive a job read acknowledge from the robot.

Related codes

PAIN-016ABRT Invalid color … receivedPAIN-017ABRT Job is not foundPAIN-019WARN Invalid color … in queuePAIN-020WARN Job queue is empty

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 →