Cental vac does not turn off, it does howEver turn off when using the manual switch. I disconnected the low voltage wires coming from the unit the same problem occured, no change.
You have a defective internal relay on the vac. Check for warranty coverage as this is a common occurrence on these big box store units.
If beyond warranty the relay should be a straight forward unit, miniature circuit board type plug in device. Find a Broan Nutone service center or take to vac pro shop for parts.
Testimonial: "great hekp "
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I have removed the unit from the wall "opened it up"...everthing looks ok no loose wire, shorts,tec...Today is sunday and nutone serive is closed, however I will phone them to see if they will send me a new circuit board
UPDATE...it was in fact the relay from the mother board in the unit...I contacted Nutone, explained the problem and they sent me a complete new unit(not a replacment mother board) in 48 hrs...best experience with customer service I ever had
If the vac continues to run after disconnecting from the houses low voltage system, you have a defective low voltage relay on the internal circuit board of the vac. This should be covered by warranty. Although the relay on the circuit board is replaceable and upgradeable, your best bet is the entire board, plug and play piece so to speak. You should check with a Broan/NUTONE dealer for warranty. ..as this seems a frequent problem with units coming from big box retailers. Post back with results and if you need further info
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