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FANUC Alarm PNT1-763 — Pump 2 zero fluid flow rate detected

Manufacturer wording — %sPump 2 zero fluid flow rate detected
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT1-763 (“Pump 2 zero fluid flow rate detected”): Zero fluid flow out of pump #2 is detected. First check: Check the mechanical coupling between the motor and the pump.

Updated 2026-09-17 · LogrobotLM reference

Description

Zero fluid flow out of pump #2 is detected. This condition is usually caused by one or more of the following:

Remedy

Check the mechanical coupling between the motor and the pump. Make sure the line from pump to trigger is ok.

Related codes

PNT1-761Pump 2 fluid flow rate > set pointPNT1-762Pump 2 fluid flow rate < set pointPNT1-764Pump 2 motor velocity limitPNT1-765Pump 2 motor servo not ready

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 →