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 PAIN-451 — WARN %s0 fluid flow rate timeout

FANUC PAIN-451 (“WARN %s0 fluid flow rate timeout”): All of the conditions were set for fluid to be flowing and a zero flow rate was measured for longer than the Zero flow timeout parameter. First check: Check that the gun is properly triggering. Likely part: Fluid flow meter (Fluid flow meter).

Updated 2026-08-29 · LogrobotLM reference

Description

All of the conditions were set for fluid to be flowing and a zero flow rate was measured for longer than the Zero flow timeout parameter. This may be d by: a broken applicator trigger, a loss of fluid supply pressure, a broken fluid flow meter, a broken cable (to the flow meter), or a Zero flow timeout value that is too short. Note, AccuFlow temporarily automatically changes to Open Loop when this alarm occurs.

Remedy · Remède

Check that the gun is properly triggering. If fluid was observed to be flowing, check and possibly replace the fluid flow meter. Possibly increase the Zero flow timeout parameter (by about 25%).

Part to check / replace · Pièce à contrôler / remplacer

FANUC PAIN-451 points to the hardware below — start here before ordering. · PAIN-451 met en cause l'organe ci-dessous : commencez par là.

Tap a part for every code that points to it — and verify the exact variant for your controller before ordering. · Touchez une pièce pour tous les codes qui la citent ; vérifiez la variante exacte avant commande.

Frequently asked · Questions fréquentes

What does FANUC alarm PAIN-451 mean?
FANUC PAIN-451 (“WARN %s0 fluid flow rate timeout”): All of the conditions were set for fluid to be flowing and a zero flow rate was measured for longer than the Zero flow timeout parameter. This may be d by: a broken applicator trigger, a loss of fluid supply pressure, a broken fluid flow meter, a broken cable (to…
How do you troubleshoot FANUC alarm PAIN-451?
Check that the gun is properly triggering. If fluid was observed to be flowing, check and possibly replace the fluid flow meter. Possibly increase the Zero flow timeout parameter (by about 25%).
Which part is involved in FANUC PAIN-451?
PAIN-451 points to Fluid flow meter (Fluid flow meter). Confirm the real cause against the robot backup before replacing a part.

Related codes / Codes liés

PAIN-449WARN %sFailed to reach setpointPAIN-450WARN %sAccuflow softpart init FailedPAIN-452WARN %sMax. flow below mid pointPAIN-458WARN CH1:Dyn. yield > tolerance band (%s)

Same hardware involved / Même matériel en cause

PAIN-291Fluid flow meterPAIN-584Fluid flow meterPNT1-245Fluid flow meterPNT1-575Fluid flow meter

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 →