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Dyson vacuum cleaners can be quite susceptible to a range of problems, including a loss of suction. With a little troubleshooting, you can find and fix the problem and bring your machine back to its best performance.

How to fix the suction on Dyson? First, check your hose and wand for blockages. If there are no obstructions here, then the issue must be within the nozzle or cleaning tool itself.

Check the Filter

The filter is a crucial part of your vacuum and helps to maintain its working efficiency. It traps dust and dirt particles and keeps them from entering the motor exhaust.

However, the filter does eventually get dirty, and this can negatively impact your Dyson’s suction performance. That’s why it’s important to regularly clean your filter so it can maintain its optimal function and performance.

You can locate your filter on most models by turning a knob near the wheel or underneath the dust cup. On some machines, such as the Dyson ball, you will need to remove the dust cup and clean it out manually.

Once your filter has been cleaned, you need to dry it out properly. You can do this by placing it in an area that has good airflow, like a fan or open window. Never dry your filter by using a hair dryer, tumble dryer, microwave or any other heating device, as this could damage it.

Check the Hose

The hose is one of the most vital components on your Dyson, so it should be in good working order to ensure optimal suction. If your hose is clogged or torn, it can make your machine perform at its worst.

The best way to fix a torn or clogged hose is by wrapping several layers of tape around the tear and holding it in place. Common types of tape like duct tape, packing tape and electrical tape work well for this job because they’re strong enough to form a quality bond.

Before you start this repair, be sure to remove any hose clips or fittings from your Dyson. This will allow you to see if there is any debris inside your hose that could be clogging it up.

Check the Brush Bar

The brush bar on a Dyson vacuum is an excellent tool that agitates dirt and debris off floors and carpets. However, the brush bar can get clogged with long pieces of hair and pet fur. This will prevent the bar from spinning properly and result in your vacuum losing suction.

Fortunately, there are several things you can do to fix the problem. These include removing the brush bar and transmission rod, cleaning the brush bar, and checking the motor.

You can use a pair of scissors to remove any tangled hair or fur from the brush bar and transmission rod. After you’ve cleaned them, make sure you reinstall the transmission rod and brush bar. This should solve your issue and restore your Dyson’s suction power.

Check the Motor

The motor on your Dyson vacuum is responsible for generating the force that turns the powerhead, metal wand, and brush bar. If the motor starts to go bad, the suction won't work.

To check the motor, you'll need a pair of test probes and an ohmmeter. Use one of the test probes to touch each motor wire lead, one at a time.

If you get a reading of zero, you've likely got an open or shorted winding. If you get a reading of infinite, then you have a motor problem and may need to replace the motor.

If the motor still doesn't work, you may have an issue with the cable that connects the motor to the vacuum. If you have the correct cable, then disconnect the motor from the cable and test each lead separately to see if your problem is with the cable or the motor itself.