I was using my Kenmore 33721 vacuum and it just stopped working (as if it was unpluged).
I verified the outlet had power and tried to turn the vacuum on. Nothing.
I tried in several other outlets. Nothing.
I have taken care of the vacuum regularly, following the cleaning procedure in the manual. It is four years old.
Any help would be appreciated.
Same thing happened to me. After taking the cover off I noticed a wiring diagram on the inside cover.
There is a fuse between the on/off button and the motor, sure enough the fuse had blown. There is no mention of a fuse in the manual!
The vacuum works great again.
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There is a connector somewhere in the bottom that will have gotten debris and stuff in it. Unplug the power first then clean it all contact pins that transfer power. Compressed air works the best but the effect can be gained by using a toothpick. Clearing out the connectors should restore the power to the head. If one or the other stops then its a different problem. This seems to be a full failure in the elements of the head that require power. DO NOT WORK ON ANYTHING STILL PLUGGED IN!!!
It might sound very easy , but lack of power is usually the cause of a vacuum cleaner that is not working . Check that the vacuum cleaner is plugged into a working power outlet and that fuses and breakers don't need resetting. An activated thermal cut-out due to a blockage is the next most likely cause of the problem.
Tripped Circuit Breaker/ Blown Fuse
Check service panel for tripped breakers/blown fuses. If breaker is tripped, reset it. If fuse is blown, replace it. If vacuum cleaner is plugged in, make sure that the power button is in the off position before having to reset the breaker/changing fuse.
Some vacs shut off when the dirt bag is full Check your brush area and see if there is dirt or bits of string like things wrapped around the brush or the brush ends. This will cause the machine to shut down as well if there is pressure holding the brushes. Will it run if you wiggle the plug if so you could have a bad plug as well.
I would start by taking the wand apart. Be sure vac is unplugged from the wall outlet! You should be left with two pipe pieces, and the beater bar. I would also pull the hose from the canister unit itself. Once all the pieces are pulled apart, check the two or three prong wire connectors on each piece, both the female and male ends. If you have any dielectric grease, use a dab on each electrical connection. Once you reassemble, and still not powering up, wiggle the wand back and forth at the connection near the canister, and after the hose near where the switch is. If the vac cuts on after wiggling it, then you have a loose connection, and will need to tighten the female ends on the electrical connections, by squeezing them together slightly with a pair of pliers. Please rate if this works or does not work. Thanks!