Question about Powerware 9120 UPS System

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Rectifier and heatsink temperature sensor not ok for 9390 powerware ups system. When i switch on the 9390 ups a message appears which reads check rect temperature sensor and check heatsink temperature sensor. It goes in By pass but does not give any output.

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It could be your uPS given the problem the mosfet might be spoil... as the temperture is high because of the transformer is not given the clean current to bypass the systems and the there not much air filter out from the ups depend on the condition of the room might be too warm.. there a higher chance was the mainboard problem well u check the sensor lst and also try to unplug and plug bk to restart the sensor... if it will not slove the problem check with the vendor to come down and check..

Posted on Jun 05, 2009

  • fei1976 Apr 19, 2011

    where is the temp sensor located at

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