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FANUC Alarm PAIN-419PAUS %sMax.dV/dT detected

FANUC PAIN-419 (“PAUS %sMax.dV/dT detected”): A velocity change within a measured time has exceeded the maximum dV/dT setting for this turbine. First check: Check the hardware to determine if the feedback signal from the turbine is consistent by viewing the Bell Speed Signal Conditioner tachometer display .

Updated 2026-08-29 · LogrobotLM reference

Description

A velocity change within a measured time has exceeded the maximum dV/dT setting for this turbine.

Remedy · Remède

Check the hardware to determine if the feedback signal from the turbine is consistent by viewing the Bell Speed Signal Conditioner tachometer display . When the turbine is rotating at a constant speed, the tachometer display should also be constant.

Frequently asked · Questions fréquentes

What does FANUC alarm PAIN-419 mean?
FANUC PAIN-419 (“PAUS %sMax.dV/dT detected”): A velocity change within a measured time has exceeded the maximum dV/dT setting for this turbine.
How do you troubleshoot FANUC alarm PAIN-419?
Check the hardware to determine if the feedback signal from the turbine is consistent by viewing the Bell Speed Signal Conditioner tachometer display . When the turbine is rotating at a constant speed, the tachometer display should also be constant.

Related codes / Codes liés

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →