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FANUC Alarm PNT2-173 — Failed to find Lower limit

FANUC PNT2-173 (“Failed to find Lower limit”): Accustat could not reach the lower flow limit in the number of times 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 lower flow limit in the number of times set at the calibration screen. The lower limit flow rate can not be achieved. Fluid restricter is too large. The flow rate or the canister position feedback is unstable.

Remedy

Verify all equipment is working properly. Check Color Data lower limit. Check applicator parameters to make sure that App Parameter Min limit is not above the AccuStat Color Data lower limit. Increase Auto cal hi/low tolerance or Trys for high/low from the AccuStat setup screen. Check feedback.

Related codes

PNT2-171Auto Calibration abortedPNT2-172Failed to find Upper limitPNT2-174Beaker Timeout, Scale Cal AbortedPNT2-175Non-increasing cal table

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