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FANUC Alarm PNT2-798 — Pump 2 IN low pressure warning

Manufacturer wording — %sPump 2 IN low pressure warning
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT2-798 (“Pump 2 IN low pressure warning”): Pump #2 inlet pressure has been below the low warning limit for a user configurable period of time. First check: Make sure the low pressure warning limit is appropriate.

Updated 2026-09-17 · LogrobotLM reference

Description

Pump #2 inlet pressure has been below the low 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 low pressure warning limit is appropriate. Make sure the low pressure sensitivity is appropriate. Check the pilot line to hardener color that is being used. Verify that the hardener color valve being used is not faulty. Make sure the supply pressure is appropriate. Check the supply line from paint kitchen. Check the hardener inlet 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. Check the inlet regulator as follows: Through the Analog I/O menu verify the command 200-1000 cnts (0-100 psi) spanning by verifying the output psi at the transducer test port.

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 →