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Re: The motor runs erratically and smell like it burning.
Replace the belt, check the brush roll, do the ends turn freely and are the brisles worn, if so replace it. For parts, you will just have to find a repair shop that can supply you with parts, or try the internet.
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If the smell is like burning metal and very strong, the motor is bad and needs replaced.
The circuit board inside could also have shorted and burned out. You can check the motor by removing the low voltage wiring from the side of the vacuum and using long-nosed pliers. Open the pliers and slip a point into each terminal. The motor should come on if it's still good. If it does run, the problem is with the relay board.
Although you can get either motor or board and replace them yourself, if you let the tech at an authorized Aerus Electrolux store do it, there's a one year warranty on the part/s and labor.
The nearest store can be found using the following link.
If it smells like burning rubber, then your belt is probably slipping due to having lost tension and needs to be replaced. If it's another smell, it could be the motor burning out, but that is often accompanied by smoke. There could also be something caught around the revolving brushes in the cleaning head. Lie the vacuum on it's side and make sure you can spin the brushbar freely by hand. Also check for any debris entangled in or obstructing the brushes. This would also cause the belt to slip resulting in a smell of burning rubber. It could also damage the motor so I suggest not using the vacuum until the source of the fault has been determined.
Instructions on replacing the belt can be found in your user manual. If you don't have one or need further instruction on how to do this, please post back for further assistance.
it sounds like the motor overload is cutting out. it should automatically reset in time.
try removing the motor from the vacuum.
jump the motor. (power directly to the motor leads) be careful doing this! because once you plug it the motor will jump...keep your fingers from moving parts.
With the motor running, you will want to inspect the commutator -(where the carbon brushes push against)
if a blue spark is large and wrapping around the commutator then you will need to replace the brushes to begin with...in worse cases the armatures commutator would have to be cleaned with emery paper.... or armature should be replace. i think vacuum motors sell as a assembly...depending on what type of vacuum you have it might be better just buying a new one.
Try removing the drivebelt, and try running it to test like this. The brush bar will not turn, but it should function normally without smell at this point. If it doesn't, you may need a new motor as I think the brushes may have worn down - producing an electrical type burning smell.
If it runs fine without the belt attatched, then there is probably a build-up of hair or threads at each end of the roller stopping it turning freely. With the hoover off, check it turns freely and easily. A small metal nail file or similar is usually a good tool to clear it.
If the roller is stiff, the belt will not turn easily, and overheat on the motor spindle - causing the burning smell.
If you had the dryer sheet under the intake filter for any length of time you risk burning out the motor . If it smells like burning hair and plastic then the motor is toast. Also check the hose and dust passage, but I fear that it is the motor. Sorry...
Without the complete model number, I don't know for sure what componets you have, most likely is the motor. You will have to take the motor cover off and check it out. You can go to sears.com, click on parts, enter your complete model number, scroll down to cannister and it will bring up a parts list where you can order parts, also a diagram of the cannister.
This could be a motor problem. There is always a slight blue arcing that occurs when an electrical motor runs and can be visible through the exhaust vent, but any excessive arcing indicates a problem. If the carbon brushes are sticking, this will cause excessive arcing and can be corrected by an experience service person, but if there is any electrical failure, the motor would have to be replaced. There are no parts available for these motors and the expense of replacing an armature (the likely culprit) would be more than the motor. This could also be as simple as a worn belt, but usually, belts will not produce the smell your describing. When a motor is burning out, it will produce an acrid odor that will linger for a long time.