Question about Broan-NuTone CV353 Central Vacuum

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NuTone CV353 Central Vac does not start when hose is plugged into

NuTone VC353 Central Vac does not start when hose is plugged into the wall socket. There is power at the plug where the Central Vac is plugged in. Any suggestions as to what might be the problem?

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Try to plug the hose in sideways. So the top of the hose is rotated 90 degrees. If the unit turns on then there is something wrong with the hose. It might be a short or it could be a bad switch on the handle. If the unit still wont turn on I would think that maybe the low voltage wire got disconnected from the unit or there is a break in the low voltage wire somewhere along the way. Let me know if you plugging the hose in sideways works.

Posted on Feb 22, 2009

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2 Answers

Central vac not sucking


Check for a plugged tube in the wall by listening to the motor when it's running. If it sounds like it's running too fast then there's an obstruction. If it sounds ok, then there's a disconnected tube somewhere in the system.

Sep 11, 2014 | Broan-NuTone CV353 Central Vacuum

1 Answer

Nutone cv353 unable to stop


You may have a stuck relay or one of your access port switches may be bad. According to the owners manual: "A complete check of all Wall Inlet and Power Unit low voltage control lead connections (external yellow leads). Turn system off by removing fuse or tripping circuit breaker at
house fuse box."

Dec 27, 2011 | Broan-NuTone CV353 Central Vacuum

1 Answer

Nutone CV353 does not shut off, think it is the relay board


You probably have a stuck relay. You can try tapping with medium force next to where the low voltage wires are attached to the unit using the handle end of a hammer. Even if this works it's time to replace the circuit board. Take the unit to a local vacuum repair center for service.

Jun 26, 2010 | Broan-NuTone CV353 Central Vacuum

1 Answer

Nutone Scovill 350 will only turn off if unplugged


Some units have an on/off switch on the power unit itself. Check to make sure that is not turned on. Unplug your power unit and remove the 2 low voltage wires (not the power cord itself) . The low voltage wires start at the unit and run throught your home and attach to each hose inlet. They are usually attached to the unit by simple wire terminals or wire capped to small wires coming out. Just unlug the terminals or unscrew the wire caps and pull the connections apart. Plug your machine back in. If it still comes on the problem is the relay or circuit board/switch/ relay assembly inside the unit. If it doesn't come on with the low voltage wires unattached then you may have two wires touching somewhere in the low voltage wiring.

May 14, 2010 | Broan-NuTone CV353 Central Vacuum

1 Answer

The system was removed to another location and one


Yes it could. It sounds like your low voltage wires are not hooked up properly. You need to get your contractor back out there.
Joe

Sep 30, 2009 | Broan-NuTone CV353 Central Vacuum

1 Answer

Nutone CV556 Vaccuum Cleaner -Continuously running


Start with this. Unplug the vac to shut off, then disconnect the low voltage wiring at the vac.Plug the vac back in. If the vac still runs you have an internal short on the relay or wiring inside the vac.
If the vac stops then the vac and final wiring is OK and the problem is in the wiring in the house.
Have you removed any inlets for painting or had any renos done or pictures hung. If so undo what you did last. If inlets were disturbed remove them and look for low voltage vac wires touching metal backing plates in the wall or touching the inlet mounting screws.
If you have done a reno or hung pictures you may have pierece the wire for the vac creating a low voltage short which will keep the vac running until removed. I have seen this happen with freshly installed 1/4 round molding along a baseboard

Sep 07, 2009 | Broan-NuTone CV556 Cyclonic Bagless...

3 Answers

Vacuum working perfectly and everything stopped. Went to the utility room and found a plastic bag on top of the equipment. Tried the reset button, etc. nothing works.


sounds like a bad relay in the tank just a simple repair but should be done by a vacuum tech or electrician. Could be a motor is nothing is starting at all, but not as likely.

Jun 14, 2009 | Broan-NuTone CV353 Central Vacuum

2 Answers

Decreased suction


you might have a clog, to try and unclog the lines, you need to unplug the unit, and remove the bag compartment. Then take a shop vac using the hose attachment hold it into the attachment door where there is low suction and try to draw the clog out the way it went in.

May 09, 2009 | Broan-NuTone CV353 Central Vacuum

1 Answer

Nutone CV-750


You need to determine if this is a problem with the hose or the unit. I would recommend plugging my hose in the wall sideways. This should make your central vacuum run continuously. If the unit doesn't cut on and off it is the hose. If it still cuts on and off it is probably the relay.

Jan 06, 2009 | Broan-NuTone CV353 Central Vacuum

1 Answer

Nutone cv353 central vac blew up


My guess would be that the motor is done. Impossible to diagnose for sure without seeing it of course. If you were happy with the unit before the trouble, a replacement motor will probably run $250-$300. If you are interested in a new unit, shop around. There are definitely better designed and more powerful units out there, although some of them can cost quite a bit more than $300. Good Luck!!

Dec 14, 2008 | Broan-NuTone CV353 Central Vacuum

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