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Step 1
Plug the vacuum cleaner into a live electrical outlet. Make sure the power switch is in the "on" position. This is an obvious thing you can overlook sometimes. Perform the next steps after you unplug the machine.
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Step 2
Empty the bag or canister of the vacuum. Bagless models allow you to dump the debris. Always replace vacuum bags with new bags, if your machine uses bags.
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Step 3
Examine the filter. Decide if you need to clean it or replace it. Depending on the filter type, either clean it with a Shop-Vac or run it under the faucet. If necessary, replace the filter with a new one.
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Step 4
Check the hose. Take the hose off the vacuum cleaner, if possible. If the clog doesn't shake out, try running something down the hose. Don't poke a hole in the hose.
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Step 5
Troubleshoot loud noise by looking at the brush head. String or other long objects are often the culprits. With the machine unplugged, carefully unwrap the object from the brush head. Make sure the brush head turns easily.
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Step 6
Look at the belt. If you operate the vacuum cleaner and find the machine difficult to operate, chances are the belt is the problem. Follow the manufacturer's directions for your vacuum model to remove the appropriate screws to replace the belt.
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Step 7
Feel the motor housing. If it's hot, remove the debris that is causing the problem. Depending on the model, you may be able to remove the motor housing or access the motor.
