FANUC Alarm PNT1-623 — Lower output did not lower flow

Manufacturer wording — %sLower output did not lower flow
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT1-623 (“Lower output did not lower flow”): As the AccuAir calibration steps down through the 10 points in the calibration table, it expects a lower flow for each decrease in the command flow value. First check: Check and perform the following:

Updated 2026-09-17 · LogrobotLM reference

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 →