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FANUC Alarm PAIN-441WARN %sLower output did not lower flow

FANUC PAIN-441 (“WARN %sLower output did not lower flow”): As Accuflow steps down through the 10 points in the calibration table, it expects a lower flow for each decrease in the commanded flow value. First check: Retry the calibration.

Updated 2026-08-29 · LogrobotLM reference

Description

As Accuflow steps down through the 10 points in the calibration table, it expects a lower flow for each decrease in the commanded flow value. In this case, the flow did not decrease. This can be d by low or pulsing fluid pressure, insufficent exhaust or no quick exhaust on the fluid pilot air.

Remedy · Remède

Retry the calibration. Check that an adequate and stable flow rate is provided by the

Frequently asked · Questions fréquentes

What does FANUC alarm PAIN-441 mean?
FANUC PAIN-441 (“WARN %sLower output did not lower flow”): As Accuflow steps down through the 10 points in the calibration table, it expects a lower flow for each decrease in the commanded flow value. In this case, the flow did not decrease. This can be d by low or pulsing fluid pressure, insufficent exhaust or no…
How do you troubleshoot FANUC alarm PAIN-441?
Retry the calibration. Check that an adequate and stable flow rate is provided by the

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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 →