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 → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

FANUC Alarm PNT2-499 — %sInvalid Solv/Air State

FANUC PNT2-499 (“%sInvalid Solv/Air State”): An attempt to enable the solvent valve was made without enabling a downstream valve. First check: Verify that PD, Trigger, IWP or BWP are enabled.

Updated 2026-08-29 · LogrobotLM reference

Description

An attempt to enable the solvent valve was made without enabling a downstream valve.

Remedy · Remède

Verify that PD, Trigger, IWP or BWP are enabled.

Frequently asked · Questions fréquentes

What does FANUC alarm PNT2-499 mean?
FANUC PNT2-499 (“%sInvalid Solv/Air State”): An attempt to enable the solvent valve was made without enabling a downstream valve.
How do you troubleshoot FANUC alarm PNT2-499?
Verify that PD, Trigger, IWP or BWP are enabled.

Related codes / Codes liés

PNT2-497%sNo system color for valvePNT2-498%sApplication enable is ONPNT2-500%sPurge Solvent + Air Both ONPNT2-501%sMore Than One Color Valve ON

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 →