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Central Vac does not shut off

\015 My wife was vacuuming today and when she was finished she hit the off button on the nozzle to off but the central vac still ran. She disconnected the hose from the receptecle in the wall and it still ran. I tried switching the button on the cannister to manual but no luck. Finally I had to unplug the power cord to shut it off. I pulled each receptical in the wall out to see if there was any lose wires but everyone seemed fine.I'm not sure now what my next step should be can someone help? It is a Kenmore Central Vac about 8 years old\015

Answers :

I would almost guarantee the relay inside went bad. its an inepensive part that any good vacuum tech or electrician could install.
Sounds like the relay that is in the central vac unit is stuck to the ON position. When you plug it back in..does it start right up ? If so.. You should be able to disconnect all the receptacle feeds to the central vac unit at the central vac unit to determine which one ( if any) is calling for the vac to stay on.. if none are.. then it is internal to the vac and may be a stuck relay... Hope that gives you some ideas to check...
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