LogrobotLM

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FANUC Alarm SYST-140 — WARN Invalid IRQ specified

FANUC SYST-140 (“WARN Invalid IRQ specified”): An invalid interrupt number was specified by the device driver. First check: Specify an IRQ from 3 through 7 only.

Updated 2026-08-29 · LogrobotLM reference

Description

An invalid interrupt number was specified by the device driver.

Remedy · Remède

Specify an IRQ from 3 through 7 only.

Frequently asked · Questions fréquentes

What does FANUC alarm SYST-140 mean?
FANUC SYST-140 (“WARN Invalid IRQ specified”): An invalid interrupt number was specified by the device driver.
How do you troubleshoot FANUC alarm SYST-140?
Specify an IRQ from 3 through 7 only.

Related codes / Codes liés

SYST-138WARN Motherboard not installedSYST-139WARN Invalid motherboard requestSYST-141WARN BMON was updatedSYST-142WARN ABS time in sytmrev in past

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →