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FANUC Alarm PNT1-591%sCal. time out at max. flow

FANUC PNT1-591 (“%sCal. time out at max. flow”): Accuflow timed out trying to reach the maximum flow rate. First check: Decrease the gain modifier used for the color, if possible. Likely part: Fluid regulator (Fluid regulator).

Updated 2026-08-29 · LogrobotLM reference

Description

Accuflow timed out trying to reach the maximum flow rate. Possible causes are:

Remedy · Remède

Decrease the gain modifier used for the color, if possible. Then, retry the calibration. Check and change the transducer if necessary, replace the fluid regulator, or service the surge suppression system on the fluid supply pump. The calibration timeout parameter can also be increased.

Part to check / replace · Pièce à contrôler / remplacer

FANUC PNT1-591 points to the hardware below — start here before ordering. · PNT1-591 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 PNT1-591 mean?
FANUC PNT1-591 (“%sCal. time out at max. flow”): Accuflow timed out trying to reach the maximum flow rate. Possible causes are:
How do you troubleshoot FANUC alarm PNT1-591?
Decrease the gain modifier used for the color, if possible. Then, retry the calibration. Check and change the transducer if necessary, replace the fluid regulator, or service the surge suppression system on the fluid supply pump. The calibration timeout parameter can also be increased.
Which part is involved in FANUC PNT1-591?
PNT1-591 points to Fluid regulator (Fluid regulator). Confirm the real cause against the robot backup before replacing a part.

Related codes / Codes liés

Same hardware involved / Même matériel en cause

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 →