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FANUC Alarm PNT1-766 — Pump 2 totals differ > tolerance

Manufacturer wording — %sPump 2 totals differ > tolerance
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT1-766 (“Pump 2 totals differ > tolerance”): The actual total flow out of pump #2 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 #2 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 →