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If the motor is turning on then the issue is one of three things blocked exhaust, blocked intake or the fan that moves the air is loose on the motor . The last doesn't happen as much but can. First thing is to make sure the safety ball hasn't become stuck in the intake line. ( this ball stops water from reaching the motor when using it in a wet environment.. If the machine was knocked over while running or was used to suck up water the ball may be stuck) to fix this , remove the wheels from the bottom of the canister , with the machine off raise it and bang it on the floor several times . If you hear a ball drop then that was your issue. If not Disconnect the hose and see if you have suction at the intake. If you do the problem is a blocked hose. Reverse the hose and try sucking the other direction. If the exhaust is blocked the Vac will come on but the machine will sound like it's under load. Try running it without the filters ( do not use in dirt until filter is cleaned and replaced.,). To check the suction fan requires unplugging the Vac from the wall and opening the motor shroud . Locate the fan , see if it is damaged or loose.
The hose is probably blocked. If possible reverse it (put the intake of the hose on the canister connection) that should suck out the obstruction. If that fails try to carefully push a broom handle into the hose, preferably from the end that connects to the canister. Put the hose back on normally and see what happens.
Dismantling the vacuum probably won't help much, and reassembling can be a bear.
To check the intake, remove bag and look into bottom of bag well. It there's a filter there, remove it and check intake at bottom of bag well. Clear if there is.
The afterfilter on a canister is located beneath the air diffuser grid on the top of the machine where the tools can be attached. Remove this cover and there should be a white filter. Yours is probably black, or at least real dirty, if it's never been changed. This also blocks the airflow, reducing suction, and potentially damaging the motor. Extremely dirty filters are an indicator of how much dust is getting into and through the motor. This is usually caused by using generic bags rather than the genuine Electrolux, now Aerus, bags.
It is also an indicator of another internal problem on some other Aerus and pre-Aerus Electrolux vacuums.
My Dyson had exactly the same problem. I found the problem was caused by a blockage in the hose. Take the hose out where it joins the cleaner (it will come out if you pull it downwards gently) and take the hose out of the handle by squeezing the yellow buttons on either side. I pushed a rubber alkathene pipe down and found a piece of plastic was blocking it even though at first I was sure it wasn't blocked.
Make sure all filters are clean, also check the inlet by the brush roll isn't clogged as well as the hose. If this is all ok, then there is a problem with the motor. There is a thermo protector that comes with the motor that could be bad.
Hi, I have an upright DC03, brilliant machine. Mine wouldn't **** and had the following symptoms;
- it sucked ok from the top hole where the canister joins the unit
- with the canister the dust didn't spin aroun inside the canister like it normally does and there was no **** at the hose end or brush end.
- with the top of the canister attached (the cyclone) but not the bottom it sucked through the cyclone
- the small valve on top of the cyclone unit was sucking heaps
this indicated to me the machine was sucking through the cyclone unit but when the canister was put on it was blocked - hence the tremendous sucking through the valve on the top of the cyclone. As far as I could see the cyclone wasn't blocked so I poked some wire down the tube inside the machine that runs from the bottom of the unit (where the hose sits) up to the bottom hole where the canister joins.
The DC03 has 2 holes where the canister attaches, it seems like it sucks air through the top hole, through the cyclone and through the lower hole sucks the dust up this inner tube into the canister. Check that tube, shine a torch from the top hole and you should be able to see the light at the bottom. Make sure you clear it completely.
Mine was very very blocked. I kept poking and removing dust until I could see light at through the tube. Works fine now.
Hopefully this helps someone as it took me awhile to work it out.