FANUC Alarm PAIN-441 — WARN …Lower output did not lower flow
Manufacturer wording — WARN %sLower output did not lower flow
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC PAIN-441 (“WARN …Lower 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 2026-09-17 · 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 caused by low or pulsing fluid pressure, insufficent exhaust or no quick exhaust on the fluid pilot air.
Remedy
Retry the calibration. Check that an adequate and stable flow rate is provided by the
Related codes
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. How this reference is built →