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FANUC Alarm PNT1-621 — Cal. time out at low flow

Manufacturer wording — %sCal. time out at low flow
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT1-621 (“Cal. time out at low flow”): The AccuAir controls timed out trying to reach the minimum flow rate.

Updated 2026-09-17 · LogrobotLM reference

Description

The AccuAir controls timed out trying to reach the minimum flow rate. This flow rate is the Table point no. 2 parameter. Possible causes are:

Related codes

PNT1-619Cal. max. flow rate resetPNT1-620Cal. time out at max. flowPNT1-6220 air flow rate detectedPNT1-623Lower output did not lower flow

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 →