FANUC Alarm PNT2-739 — Pump 1 OUT high pressure warning
Manufacturer wording — %sPump 1 OUT high pressure warning
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC PNT2-739 (“Pump 1 OUT high pressure warning”): Pump #1 outlet pressure has been above the high warning limit for a user configurable period of time. First check: Make sure the high pressure warning limit is appropriate.
Updated 2026-09-17 · LogrobotLM reference
Description
Pump #1 outlet pressure has been above the high warning limit for a user configurable period of time. This condition is usually caused by one or more of the following:
Remedy
Make sure the high pressure warning limit is appropriate. Make sure the high pressure sensitivity is appropriate. Make sure the pump start/stop anticipates are appropriate. Make sure the lines, trigger or check valve are not obstructed. Check the pilot line to mix resin valve. Verify that the mix resin valve is not faulty. Check the resin outlet transducer as follows: Through the Analog I/O menu verify the transducer is spanning from near 200 cnts (0 psi) to 600+ cnts (50-80 psi) during a color change cycle.
Related codes
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 →