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Windsor Sensor 12 Vacuum No Power

I know I have power down to the last quick disconnect in the housing base. I take off the cover today and I have circuit boards, capacitors, ect., ect. I have a digital meter. Is there anything I can check and how to check? As in circuit board, burnt motor, ect. Thanks in advance for any and all help.

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Re: Windsor Sensor 12 Vacuum No Power

I'm an engineer for Hyatt hotels and I've worked with the S12 vacuums for a few years now. The most common problem electrically lies in the main switch and the power cord. Almost at no time in the past three years and working for 4 hotels have I had to replace any motor or board component for them. Take out the handle from the bag housing and use your volt meter/circuit tester to test the main switch, if that and your power cord are good, then you might have a bad fuse, which is located on the brush side of the main chip board. Any other questions, feel free to email me directly @

Posted on Feb 29, 2008

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How do I replace the front bottom plate on my Sebo X4 Extra vacuum cleaner, this is the metal/plastic plate on the front base of the bottom of the cleaner (no visible fixings)

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Why doesn`t the height adjustment wheel on my windsor vacuum go up?

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Windsor sensor vacuum lights flashing then motor shuts off

I've worked on these a lot. What I think you're explaining is the bypass flow switch which is a common failure. It's located in the base inside the auction side of motor housing...

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1 Answer

Vacuum shuts off and on while trying to vacuum

check power cable for brakes and cracks, replace if need be..

Nov 18, 2012 | Windsor SR12 Sensor Bagged Upright Vacuum

1 Answer

My windsor sensor 12 inch vacuum is to hard to push. I bought a new one and its doing the same thing. My vacuum repair man says he cant fix the problem. My shoulders are sore from working so hard. Help

It\'s possibly the type of carpet you\'re using it on. The sensors use the brush speed and the amount of air flow to determine carpet height. Some berber, and tweeds make these things horrible to push. We sell sebo, who make the windsor and we\'ve had the same issue on random carpeting. We end up selling the G- Series units in these situations because they adjust manually so not to suck themselves tight to the floor. Sebo/Windsor make amazing products but there\'s just no helping this, it happens sometimes.

Happy Vacuuming!
The Vac Dr.

The Vac Dr is always happy to help. If you\'re having trouble finding someone to help contact us here.

Jul 20, 2012 | Windsor SR12 Sensor Bagged Upright Vacuum

1 Answer

How do you change the belt on a winsor sensor s12?

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Step 2. After removing the screws on the bottom of the vacuum cleaner, separate the top housing from the lower agitator housing, sometimes it may take putting a flat head screw driver in between the white and grey colored housing and prying them apart.

Step 3. You now have full access to the belts on your machine. It's most likely the belt that wraps around the brush gear rather then the belt that's attached to the motor that's gone bad. I have never replaced the motor belt in 8 years of servicing Windsor vacuums.

If you have any further questions on how to replace the belt, please feel free to reply to this repair by leaving your question in the comment section, I'm always more then happy to answer any question you may have.

Thanks again,

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3 Answers

No Power to Windsor Sensor XP12

The Windsor Sensor vacs all have a removable handle.

The handle is inserted into a "socket" which has contacts to complete the electrical circuit.

The handle is held in place by a gray plastic lever.

If the lever is not pressed down completely, the handle is able to slide within the socket during regular use.

If the handle slides out far enough, the electrical connection within will be disconnected and the vac will have no power.

Simply lift the lever, pull up to remove the handle, and re-insert the handle fully, then press down firmly on the lever to lock the handle securely in place.

This is the first step to solve your problem and hopefully this is all that need to be done.

If this does not work, please repost here and I will help you all I can.

Note: I am a big fan of the Windsor Sensor vacs and find them to be easy to work on and a great vac all around!

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4 Answers

Windsor sensor says bag is full when its not

Are you vacuuming up fine particals like pet dander or just large amounts of regular dust? Also when was the last time you replaced your filters?

Just some sugestions.

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1 Answer

Vaccum doesn't have power.

I had one of these come in for service, a new mainboard was the solution. They're getting power if the lights come on. The board just isn't letting it go.

Best of Luck!

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1 Answer

No power when plugged in

If there is no power to the Windsor model ensure that the handle has been locked down properly - there is a flip up lock which naturally goes down so that the electric element in the handle meets with  the male connector set into the lock at the bottom. 

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