If your vacuum cleaner breaks, that isn’t very pleasant – but not necessarily a reason to call the technician. Defects can have many causes, and often the repair is not that difficult. UPDATED shows which problems you can fix yourself and how you proceed.
Note: If you want to repair your vacuum cleaner, you should unplug the device.
As different vacuum cleaner models are designed differently, the following instructions are general. Always refer to the manufacturer’s operating instructions when it comes to disassembling parts, for example.
Low suction power: cleaning often helps
If the suction power decreases, it does not necessarily have to be a defect. Often the vacuum cleaner is blocked or otherwise soiled that it can no longer work properly. In this case, you can quickly “repair” your vacuum cleaner yourself, because a thorough cleaning is usually sufficient.
How to clean your vacuum cleaner thoroughly:
- Solve all off and removable parts from the vacuum cleaner body. The floor nozzle, vacuum cleaner pipe, and hose can usually be easily removed from each other.
- You are controlling all parts for possible blockages by looking hineinleuchtest, for example, with a small lamp. If something gets stuck in the vacuum cleaner hose or pipe, you can usually remove it with a long wooden stick or (for the hose) carefully with a thin broomstick.
- Remove the brush roller. It can quickly happen that hair and longer threads wrap around the roller, which affects the suction performance. Gently remove it by cutting through it with scissors and then peeling it off.
- Check the vacuum cleaner filter. This is where dirt accumulates over time and ensures that the air inside the device can no longer appropriately circulate. Knock out the filter and remove larger pieces of dirt with your fingers. If the filter is filthy, you should replace it. There is a replacement in the drugstore.
Repair vacuum cleaner hose: plug cracks
If you pull the vacuum cleaner behind you by the hose while vacuuming, the hose can crack. You can completely replace the hose – however, spare parts are usually comparatively expensive. If the crack is not too big, you can repair the hose yourself. You must plug the damage airtight. Background: If the vacuum cleaner continues to draw air through the broken hose, the suction power suffers.
If the crack is small, you can use tear-resistant tape from the hardware store to repair it. If the damage is more extensive, it can be useful to use a short piece of plastic pipe and tape. Tip: The plastic tube should have a slightly larger diameter than the vacuum cleaner hose.
How to repair a small crack in the hose of your vacuum cleaner:
- Check where on the hose the crack is and how big it is. If necessary, turn on the vacuum cleaner briefly. Then disconnect it from the power again.
- Wrap the broken area several times with the special adhesive tape. Make sure that the crack is taped airtight.
- Turn the vacuum on again to check the repaired area for leaks. If the hose is still drawing air, an additional layer of adhesive tape will help.
How to repair larger cracks in the hose of your vacuum cleaner:
- First, find the crack by following the steps outlined in the previous section.
- Slide the plastic pipe over the broken hose and wrap both ends with tape so that the hose and the plastic pipe are glued together.
- Wrap the entire piece of plastic pipe with tape. Also, run the tape a little way over the vacuum cleaner hose at both ends so that the two parts are airtight.
- Check that your vacuum cleaner is vacuuming correctly again. If this is not the case, seal the repaired area even more tightly.
Check toothed belt: pay attention to odor.
If your vacuum cleaner smells of plastic or rubber when in use, the timing belt could be to blame. Usually, the rubber belts ensure that the brush roller and drive shaft rotate correctly. For example, if the belt’s teeth are worn out, the straps may slip while vacuuming instead of turning correctly.
The excellent news: timing belts are relatively inexpensive vacuum cleaner spare parts and are comparatively easy to replace.
How to change a toothed belt in the vacuum cleaner:
- Open the floor nozzle on your vacuum cleaner. Usually, you have to loosen a few screws on the base plate. Then you can remove the container.
- The toothed belt on the brush roller should be visible. They sit at both ends of the roller brush, are smooth on the outside, and have small teeth on the inside. See if you can see any signs of wear and tear. If this is the case, you should replace the affected belt.
- Remove the roller brush from its holder on the floor nozzle.
- Pull the roller brush out of the toothed belt.
- Remove the affected toothed belt from the floor nozzle by pulling it off the end of the motor shaft.
- Guide the new toothed belt over the end of the motor axis.
- Slide the roller brush through the other end of the new toothed belt.
- Put the roller brush back into the floor nozzle.
- Attach the base plate to the floor nozzle.
If your vacuum cleaner doesn’t turn on at all, the current flow could be disrupted, i.e., a cable or a fuse could be defective. Caution: You can carry out this repair yourself – but you should only do it if you have a specific basic technical knowledge! If in doubt, have your vacuum cleaner repaired by a professional.
If you want to dare to do it yourself, you need a so-called multimeter (an ammeter).
How to check the current flow in the vacuum cleaner:
- Take the vacuum cleaner off the power.
- Open the body of the vacuum cleaner by loosening all necessary screws and plug connections.
- You should be able to see the coiled cable and the fuses and the cable connections from the power switch to the motor.
- Take the cable thread from the vacuum cleaner body.
- Use the multimeter to test whether current flows from the plug to the various connections of the cable winder.
- If so, check the connections between the cable and the switch while the switch is on.
- Then test the current flow from the switch to the motor.
- Check all cable and fuse connections inside the vacuum cleaner until you eventually come across a wrong spot.
- Carefully clean any tarnished or otherwise dirty contacts and replace broken parts.
- Put the cable winder back in its place in the body.
- Close the body again.
Engine damage: New acquisition often cheaper
If you have checked all the points from this guide, but your vacuum cleaner still does not work, and engine failure could be the reason. In this case, the following applies: With technical know-how, you can replace and repair individual parts of the engine yourself – but this is not recommended. A complete engine replacement is often not worthwhile. Except for costly devices, buying a new feature is often cheaper than buying a replacement part.
Repair defects on the vacuum cleaner yourself.
Even if vacuum cleaners are becoming more and more modern today, they are built quite merely inside. This is useful because: If something is broken, you can often repair your vacuum cleaner yourself. In most cases, it only takes a few steps to make the awesome thing work again – for example if only the filter is clogged or the roller brush is blocked. With the right basic technical knowledge, you may also be able to repair fuses and power connections. If there is engine damage, it is often not worth repairing.