Vacuums\015 The upper and lower hoses are not blocked.I checked them both. When I vacuum it does not have very much suction. It does not pick up dirt, nothing in canister. this is a Dirt Devil 12 amp vision, upright. I disconnected the hose to use attachments and there is not much suction. It will not even pick up lint. There is very little suction. Is there something I may be overlooking? This vacuum worked fine untill a couple of weeks ago. When the motor is running, it sounds normal.\015
How to Identify and Fix Common Vacuum Problems ?
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It sounds like you may have a bad thermal switch inside the machine. Most vacuum cleaners have a switch connected to the motor, so if the vacuum cleaner is running hot, it will shut off to prevent any damage to your motor. You did all the right things by checking the bag, making sure the hose was NOT clogged, and replacing HEPA filter.
Most of the time on canister vacuums, the reason is caused by a clog in the hose, or somewhere in the powerhead. If you’re sure that there is no clog anywhere, it is going to be the thermal switch on the motor.
Here’s a link to the parts schematic for the Bosch upright vacuum. I hope it helps you in determining how to access the thermal switch. A word of warning to you before you try it, this is a very tough vacuum cleaner to work on, you may want to bring it in to a vacuum repair shop, as this is not an easy repair.
Here’s the link;
Please let me know if you have any other questions,
.My educated guess is that it’s either the switch or the power cord. Here are a couple of guides to help with diagnosis and repair…
.Hope this helps!!
.A clog in the hose, UR or canister. Detach hose. Drop small coin in one end and lift hose causing it to roll out the other. If it does, no clog in hose. Drop same coin into hose opening on power head. If it rolls out, no clog in PN.
.Broken fan blades, UR. Needs to be taken to shop for repair/replacement.
.A reset button is for use if the motor isn’t running, so won’t have anything to do with the suction.
if it still does not **** then maybe it is clogged or hose is disconnected