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Is there a reset switch. Most vacuums have one some where near the bottom brush, to protect the vacuum from overload. If the vacuum tripped, the vacuum will not work until you've pressed the reset switch. If you can't find one, pls check manual.
Remember that the motor will not run unless the vacuum head or hose are properly installed. If this is not the problem, the most likely problem is that the carbon brushes in the motor are badly worn and will need replacement. A less likely problem is that the front safety switch is out of adjustment. While the light is on, remove the head and push the metal rod on the switch next to the fan inward to see if this causes the motor to run.
Some debris, even sand or dirt, probably got into the motor, causing damage to the armature. If this is the case, you will need to replace the motor. The burning smell from the motor is generally a sure sign of a bad motor.
I just had the same problem. I would turn on the vac, and it worked fine. When I turned on the brush it would work for a few seconds then shut off. Through troubleshooting I found out it had nothing to do with a bad power connection. By chance I took off the side HEPA filter to see how it looked. I realized that I have never changed it and that it was filthy. I removed it and turned on the vac, then the brush. It took a few tried, but the brush motor got back to full strength. I reassembled everything and it works fine now. It seems that the clogged filter was causing the brush motor to shut off. I'm running my vac w/o the HEPA filter while i wait for a new one to ship. Hope its the same prob for you!
I have the same problem with our G5. I check the cord and it's good. Changed the switch, but that actually wasn't the problem. I've tracked my issue down to the motor brushes. When is does run, sometimes blue sparks are seen on the right-side of the motor near the right set of brushes.
I was able to rotate the motor spindle simply by turning the front attachment belt lever (the thing on the front to take off the vacuum head). This rotates the motor just enough to get better contact with the motor brushes.
I'm next going to replace the brushes and see if that fixes my g5. Good luck.
take the brush roller off and on the ends are the bearing caps.try to take those off and clean the bearings ,carpet strands and hair will cause that.after you do that make sure the roller turns freely if not then the bearings might be bad and if thats the case you might have to order a new brush rollersome bearing caps unscrew and others pull off
If there is no suction when you disconnect the beater bar assembly near the hand hold where you grab the vacuum, then there may be either a restriction in the vacuum line between there and the vacuum section (that rolls around behind you), or the vacuum line from the handle point to the rollaround section is not properly connected. This all assumes the vacuum motor in the rollaround is running.
The beater bar section does nothing but cause dirt particles to be sucked into the vacuum system. The vacuum or suction is created in the rollaround unit.
The whinning sound may be the bearings are bad. This will have to be taken care of or it will wear your motor brushes down very quickly. It is not generally caused by the filter, but by not be cleaned properly and may have been stored on its water basin.
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