FANUC Alarm PNT1-791 — Pump 1 totals differ > tolerance
Manufacturer wording — %sPump 1 totals differ > tolerance
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC PNT1-791 (“Pump 1 totals differ > tolerance”): The actual total flow out of pump #1 as measured by the fluid flow meter has a value that is different than the commanded total flow. First check: Check the following:
Updated 2026-09-17 · LogrobotLM reference
Description
The actual total flow out of pump #1 as measured by the fluid flow meter has a value that is different than the commanded total flow. This difference is larger than the total flow tolerance.
Remedy
Check the following:
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 →