LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

FANUC Alarm PNT1-740 — Pump 1 OUT high pressure fault

Manufacturer wording — %sPump 1 OUT high pressure fault
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT1-740 (“Pump 1 OUT high pressure fault”): Pump #1 outlet pressure has been above the high fault limit for a user configurable period of time. First check: Check the following:

Updated 2026-09-17 · LogrobotLM reference

Description

Pump #1 outlet pressure has been above the high fault limit for a user configurable period of time. This condition is usually caused by one or more of the following:

Remedy

Check the following:

Related codes

PNT1-738Pump 1 OUT low pressure faultPNT1-739Pump 1 OUT high pressure warningPNT1-741Pump 1 fluid flow rate > set pointPNT1-742Pump 1 fluid flow rate < set point

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 →