Question about Broan-NuTone CV353 Central Vacuum

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Wont turn off - runs constantly - Broan-NuTone CV353 Central Vacuum

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It sounds to me that the relay has stuck contacts. Try tapping the relay with the HANDLE of a screwdriver if you can find it. BE SURE TO UNPLUG THE UNIT BEFORE YOU OPEN THE UNIT !! Most centrals now have circuit boards and not seperate parts like earlier vacs which means you will have to replace the board.
Another thing to try is to take loose one of the low voltage wires to see if the unit will stop. If it does, you have a short with the wires touching somewhere along the line.
I hope that I have helped.
Joe

Posted on Nov 15, 2009

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Posted on Jan 02, 2017

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