FANUC Alarm PNT1-661 — %sFast air flow leak detected
FANUC PNT1-661 (“%sFast air flow leak detected”): A large amount of air flow was detected when the gun was not turned on. First check: The applicator and the various air lines should be inspected and repaired immediately.
Updated 2026-08-29 · LogrobotLM reference
Description
A large amount of air flow was detected when the gun was not turned on. This might be caused by a leaking trigger valve, leaking air line, broken air line, broken applicator, or any other air leak between the air flow sensor, and the gun.
Remedy · Remède
The applicator and the various air lines should be inspected and repaired immediately.
Frequently asked · Questions fréquentes
- What does FANUC alarm PNT1-661 mean?
- FANUC PNT1-661 (“%sFast air flow leak detected”): A large amount of air flow was detected when the gun was not turned on. This might be caused by a leaking trigger valve, leaking air line, broken air line, broken applicator, or any other air leak between the air flow sensor, and the gun.
- How do you troubleshoot FANUC alarm PNT1-661?
- The applicator and the various air lines should be inspected and repaired immediately.
Related codes / Codes liés
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 →