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FANUC Alarm PNT1-622 — 0 air flow rate detected

Manufacturer wording — %s0 air flow rate detected
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT1-622 (“0 air flow rate detected”): All of the conditions were set for air to be flowing, but a zero flow rate was measured. First check: Check and perform the following:

Updated 2026-09-17 · LogrobotLM reference

Description

All of the conditions were set for air to be flowing, but a zero flow rate was measured. This might be caused by:

Remedy

Check and perform the following:

Related codes

PNT1-620Cal. time out at max. flowPNT1-621Cal. time out at low flowPNT1-623Lower output did not lower flowPNT1-624Time out during a cal. test

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 →