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 PNT1-734 — Pump 1 IN low pressure fault

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

FANUC PNT1-734 (“Pump 1 IN low pressure fault”): Pump #1 inlet pressure has been below the low fault limit for a user configurable period of time.

Updated 2026-09-17 · LogrobotLM reference

Description

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

Related codes

PNT1-727Cruise Speed not establishedPNT1-733Pump 1 IN low pressure warningPNT1-735Pump 1 IN high pressure warningPNT1-736Pump 1 IN high pressure fault

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 →