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FANUC Alarm PAIN-471 — WARN Pump 1 motor velocity limit

FANUC PAIN-471 (“WARN Pump 1 motor velocity limit”): The motor velocity for pump #1 has exceeded its operating limit. First check: Lower the flow rate to within the motor limit.

Updated 2026-09-17 · LogrobotLM reference

Description

The motor velocity for pump #1 has exceeded its operating limit. The motor speed will be reduced to be within operating limit. The motor speed for pump #2 will be reduced to maintain a proper fluid ratio.

Remedy

Lower the flow rate to within the motor limit.

Related codes

PAIN-469WARN Pump 1 fluid flow rate < set pointPAIN-470WARN Pump 1 zero fluid flow rate detectedPAIN-472WARN Pump 1 motor servo not readyPAIN-473WARN Pump 1 totals differ > tolerance

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