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Does the motor overheat switch need to be replaced if it has tripped and reset on Hoover model u3940

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Most of the Hoover overheat control switches reset when you UNPLUG the cleaner, and let is cool down for twenty minutes with the cord unplugged.

Posted on Oct 03, 2009

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Posted on Jan 02, 2017

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1 Answer

Where is the thermal protector sensor on hoover vac.


On most vacuum cleaner models it is built into the motor and cannot be changed without replacing the motor. In my experience the reset switch goes bad more often than the motor does which is why I recommend vacuum cleaners that have an external reset switch.

Jan 05, 2017 | Hoover Vacuums

1 Answer

My Hoover Duros (blue color, S3000 something model with the power brush) worked fine for 3 years, than it died. The other day I couldn't turn it on... What can it be? A fuse? Where's is the fist in...


manual > http://hoover.com/file/682/
To reset the breaker:

(1) Push the ON/OFF switch
http://hoover.com/file/682/completely
down. You will feel some

resistance when the switch moves

downward. The switch will also move

slightly upward on its own.

(2) Wait one minute.

(3) Repeat step 1.

(4) Turn the cleaner ON and continue

cleaning.

If the brushes continue to stall and

the breaker trips again, clean the

brushes to remove debris. (Figs. 4-1

through 4-4)
To reset the breaker:(1) Push the ON/OFF switch
completely
down. You will feel someresistance when the switch movesdownward. The switch will also moveslightly upward on its own.(2) Wait one minute.(3) Repeat step 1.(4) Turn the cleaner ON and continuecleaning.If the brushes continue to stall andthe breaker trips again, clean thebrushes to remove debris. (Figs. 4-1through 4-4)

Jul 28, 2013 | Vacuums

1 Answer

My new Hoover 2100 Model number PU 2110-001 stops for 20 minutes every 4-5 minutes of use. It seems to get too hot. It has done this since new, I have changed the dust bag & all filters, but it makes...


AS new return to shop, Not fit for purpose, they should replace it. sounds as if thermal fuse is tripping in the motor, resets itself when cooled down.

Mar 14, 2013 | Hoover Vacuums

1 Answer

Reset button Hoover


The majority of hoovers do not have reset buttons. Some vacuums that do, have one that only controls the brush roller when they are run by a separate motor. I would really need the machines model number to properly answer your question.

Although they do not have "reset" buttons, most do have thermal resets. If the vacuum motor overheats. Turn off, unplug and wait for 1 hour or more for the thermalfuse to "reset" itself. Also, clean or replace all bags/filters because that's usually the cause of overheat in the first place.

Also, vacuums go dead for a number of electrical reasons. Many of the Hoover uprights have an internal switch in the upper body below the handle that commonly fails and needs replaced.

Hope this helps.

Feb 20, 2012 | Hoover Vacuums

1 Answer

Dysons animal overheats and turns off What do we


The electric motor inside your Dyson has a built in over-current trip to protect itself (and you if it seriously overheated and caught fire). This normally automatically resets itself, however if the motor has just about had it, next time it is switched on it just trips again.

The primary cause of motors overheating is that the filters are not cleaned or replaced frequently enough. Dont be fooled by Dyson's "lifetime filters". They need to be regularly cleaned and replaced when necessary.

Replacement motors are available on eBay2_bing.gif for about £25, however replacing one requires good DIY skills and tools.

Have a look at www.dysonmedic.com and see if you feel you can tackle it yourself. If not, take it to a repair shop or call the Dyson helpline.

Mar 25, 2010 | Dyson DC07 Animal Bagless Upright Cyclonic...

1 Answer

Dyson DC07. Problem:- switch the hoover on and it cuts out after approximately 1 second. Any ideas please?


The motor has a built in over-current trip to protect itself (and you if it seriously overheated and caught fire). This normally automatically resets itself, however if the motor has just about had it, the moment it is switched on, it just trips again.

The primary cause of motors overheating is that the filters are not cleaned or replaced frequently enough. Dont be fooled by Dyson's "lifetime filters". They need to be regularly cleaned and replaced when necessary.

Replacement motors are avaible on eBay for about £25, however repalcing one requires good DIY skills and tools.

Have a look at www.dysonmedic.com and see if you feel you can tackle it yourself. If not, take it to a repair shop or call the Dyson helpline.

Nov 24, 2009 | Dyson DC07 Bagless Upright Cyclonic Vacuum

1 Answer

Motor overheats and shuts off


The priamry cause of motors overheating is that the filters are not cleaned or replaced frequently enough. Once a motor starts to overheat, it has already been damaged and even after the filters have been cleaned, may well still overheat and cut-out. The motor has a built in over-current trip to protect itself (and you if it seriously overheated). This normally automatically resets itself, however if the motor has just about had it, the moemnt it is switched on, it just trips again.

Replacement motors are avaible on eBay for about £25, however repalcing one requires good DIY skills and tools.

Have a look at www.dysonmedic.com and see if you feel you can tackle it yourself. If not, take it to a repair shop or call the Dyson helpline.

Oct 17, 2009 | Dyson DC07 Animal Bagless Upright Cyclonic...

1 Answer

Hoover upright has stopped working and tripped the circuit breaker. Where is the fuse located on the hoover ?


Most Hoover uprights do not have fuse. Some canisters doe but it is a thermal shutoff. When the vac overheats and cools down it restarts on its own.
You very likly have motor damage, but if lucky you could have an obstruction in the fan causing a jam. Do not attempt to run again.Lift the lid off the vac and see if the drive shaft for the belt will turn. If not motor will need to be removed and fan housing and intake area inspected. If the motor shaft turns and you hear scratching or clicking, the carbon brushes are likely damaged often requiring a replacement motor. If the fan is jammed you will need to dismantle the fan housing. Remove the two motor clamps and there will be four screws on the side of the housing to release the fan cover. The fan should rotate freely in your hand.

Sep 13, 2009 | Vacuums

2 Answers

Henry Hoover throwing trip switch in house


Sounds more likely to be the switch than the motor, especially if it is the model with the top switch rather than the side "rocker" switch. If you are in the UK, speak to the technical people at www.a1cleaningsupplies.co.uk they can post a replacement. Otherwise outside or even within the UK you can contact the manufacturers technical people. Website is www.numatic.com

May 25, 2009 | Numatic Henry Bagged Canister Vacuum

1 Answer

My hoover mach 5 stopped during use and will now not turn on


If the machine overheats, a breaker trips. Most breakers reset themselves after they cool off. You may have a manual reset button to push on your model. The machine will overheat if the bag is too full, or if the exhaust port is clogged. The reset switch is usually on the back of the motor housing, near the footswitch.

Dec 22, 2008 | Hoover Commercial C1660-900 Bagless...

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