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FANUC Alarm PNT1-172 — Failed to find Upper limit

FANUC PNT1-172 (“Failed to find Upper limit”): Accustat could not reach the upper flow limit in the number of attempts set at the calibration screen. First check: Verify all equipment is working properly.

Updated 2026-09-17 · LogrobotLM reference

Description

Accustat could not reach the upper flow limit in the number of attempts set at the calibration screen. This can be caused by one of the following:

Remedy

Verify all equipment is working properly. Check the following:

Related codes

PNT1-170Docking station not extendedPNT1-171Auto Calibration abortedPNT1-173Failed to find Lower limitPNT1-174Beaker Timeout, Scale Cal Aborted

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 →