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NuTone CVF353W: unit clicks when switched on, but won't run. Replaced motor.

Unit stopped working. There's a clicking sound when I switch on the hose, but no suction. Replaced motor...no change. Please help!

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 95 Answers

SOURCE: My nutone cv556 wont shut off

It sounds like the relay is bad. This website has a pretty good trouble shooting page.

https://www.centralvacuumstores.com/cvs/trouble_help.php#wont_turn_on

Posted on Jan 20, 2009

  • 95 Answers

SOURCE: I have a 3 year

A great way to check if your switch in the hose is bad would be to turn the hose sideways in the inlet. If the unit turns on you most likely need a new switch.

Posted on Jan 20, 2009

  • 1 Answer

SOURCE: Power Unit VX475 Stops Working

the problem is NOT the motor. Its that the motor is not being cooled. You have to replace the whole top. Call Nutone and its only a $30 part

Posted on Feb 28, 2009

ThinkVacuums
  • 144 Answers

SOURCE: I need a relay board for a Nutone CV 450 12.6 amp

Unfortunately I don't have a part number for you, but you can call this number 1800.322.2965. Tell them you need a new relay board for your system and they'll be able to help you. They cost around 99$. for anything else you might need, go to www.thinkvacuums.com

Posted on Sep 01, 2009

  • 430 Answers

SOURCE: 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

Posted on Sep 07, 2009

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1 Answer

Where is the reset switch on the Nutone CV-350


The reset button to the vacuum unit is located on the upper left or right hand side towards the back. There is a small black circle about the size of a dime that has a white tab that pops out. If the tab is sticking out, you can reset the system and trying vacuuming. Typically, the reset button pops for a reason because of an overheating or defective motor. If the reset button is not popped, try turning on the unit from a vacuum inlet and see if you hear a clicking sound at the vacuum unit. If so, this means a new motor is needed. If a clicking sound is not heard, this can mean a bad relay in the unit.

Please visit our website if you need a replacement part or if you have more questions.
https://qualityhomesystems.com/central-vacuum-system/

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Mar 15, 2016 | Broan-NuTone CV350 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

2 Answers

The CV750 stopped working. It will come on sometimes but most of time it will not work. I installed new bag and cleaned filter. Green light on side of unit is on. Switch on side of unit will not make it...


The motor may have a sticking brush or a dead commutator segment. Turn off power to the unit to check for sticking brushes. Reapply power, does it now run? If not, shut it off, physically turn the motor a few degrees, and reapply power. If it still doesn't run, look for loose wiring around the motor. If it does run, replace the motor armature or the entire motor if the armature is not available as a separate part.

Oct 18, 2009 | Broan-NuTone CV750 Central Vacuum

2 Answers

Power Unit VX475 Stops Working


The problem is definetly the motor. make sure the filter is not covered in the hair, if not you need a new motor. i fixed plenty of them.

Jan 31, 2009 | Broan-NuTone VX475 Bagged Central System...

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

1 Answer

Problems with 353 nutone


if its an older unit or it got heavy use it could be the motor they tend to sputter as there going out, as it rotates the electricity hits a burnt spot inside the motor and shuts itself off can you turn it on manually? they usually put a swithc on the tank itself if the problem doesnt occur when you switch it then it could be the hose itself normally they control the off/on use a meter to check the continuity beteen the two copper plates that are on the end of the hose ( the wall end )

Sep 16, 2008 | Broan-NuTone VX475 Bagged Central System...

2 Answers

Power Unit VX475 Stops


Checked and found that motor is definitely overheating for unknown reason. Since power unit is still under warranty, solution was to contact local service company for NuTone power unit and have them come out and fix/replace it free of charge.

Jun 27, 2008 | Broan-NuTone VX475 Bagged Central System...

1 Answer

Nutone CV 450


if your unit normally turns on when you open the flap on the wall inlets then you should check each inlet for a switch or a button, sometimes those buttons can get loose and fall into the wall making the unit stay on.

Jun 23, 2008 | Broan-NuTone CV450 Central Bagged Central...

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