Why did the vacuum cleaner become loud: reasons for the malfunction, how to repair it

To start

Before you pick up a screwdriver and take your vacuum cleaner apart, troubleshoot three common problems:

• empty the clogged dust bin;
• check clogged filters;
• cracks in the hose or telescopic tube.

Check if the dust bin is clogged

If the bag is more than two-thirds full of debris, the suction power weakens, creating the feeling that it “doesn’t pull.” The paper dust collector must be replaced with a new one, and the fabric one must be shaken out, rinsed in water and dried.

Make sure the hose, tube or brush is not clogged

If everything is fine with the bag and there is still no traction, check other components - brushes, telescopic tube and hose. The hose may be damaged - cracks, holes, clogged or not fully inserted into the housing.

Both small particles and large objects get stuck in the brushes, hose and tube: strings, napkins, handkerchiefs, rags, and so on. Because of them, the garbage does not pass through well, the vacuum cleaner hums loudly, howls, buzzes and makes other inappropriate loud sounds, and it smells of burning or something else burnt. Usually, after removing the blockage, traction is completely restored.

Also check the components for wear: in some cases, suction is hampered by jammed motor bearings or even improperly seated brushes.

Looking for cracks in a corrugated hose

Cleaning the filters

A big mistake is to inspect the dust collector, but not check the cleaning filters: after each cleaning, the elements become heavily filled with dust.

One of the filters is located in front of the fan. For cyclone vacuum cleaners, as a rule, this is a foam rubber plate inside a plastic collapsible body. At the back of the case there is a mesh with small cells. The plate must be knocked out well and washed together with the filter in water.

The second, rear fine filter is installed on the exhaust of the vacuum cleaner. Most often it is a separate box with a large number of cells. The cells should be cleaned with a soft brush and rinsed under running water.

If your vacuum cleaner is equipped with a water aquafilter, do not forget to clean it after each cleaning: disassemble it, wash each element and dry it thoroughly. This must be done even if there are no problems with the vacuum cleaner, so that bacteria and fungi do not multiply in dirty water.

We remember whether the equipment has overheated

If the vacuum cleaner gets too hot, the electronics can automatically turn off the electric motor. It is enough to wait 20-30 minutes for performance to be restored.

Equipment can overheat not only due to long hours of operation - there are other reasons:

• got hot because the network cable was damaged;
• the armature collector is clogged;
• bearings and brushes are worn out;
• The electronic unit or start button has failed.

The most serious problem with a vacuum cleaner is motor failure. To identify it, you will have to disassemble the device.

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The main malfunctions of vacuum cleaners from different manufacturers

For each manufacturer, we can identify the most common problem encountered in manufactured models. The analysis below is based on online customer reviews.

Samsung

Samsung vacuum cleaners are quite reliable, but they also require careful treatment and timely maintenance. It is necessary to monitor the condition of the filters and dust collector and clean them regularly. There are also problems with the motor and the power button.

LG

Judging by user reviews, vacuum cleaners from this manufacturer quickly clog filters and lose suction power; fragile attachments break faster than wear out. There are cases of excessive heating and shutdown during operation.

Philips

Those who at one time preferred vacuum cleaners from this company say that over time the suction ability is lost and the noise during operation increases. There are complaints about an unpleasant odor during operation and a poorly winding cord.

The Philips vacuum cleaner caused the following reaction from our author: Philips FC 9184

Bosch

Over time, the rubber seals of these vacuum cleaners suffer, and the parts fit less well to each other. Bosh often releases cordless models, and the batteries also sometimes require replacement. Often the engine also fails.

Dyson

In reviews of Dyson vacuum cleaners, there are practically no complaints about their performance. The only thing is that with wireless models, the battery discharges faster and faster over time and it has to be replaced (which, in principle, is natural).

Thomas

The Thomas company mainly produces vacuum cleaners with an aqua filter, and they require increased care - washing after each cleaning and drying thoroughly, otherwise they quickly fail and an unpleasant odor appears during cleaning. Also in the reviews there are complaints about the easily torn hose.

The main causes of breakdowns and recommendations for safe operation of the vacuum cleaner

The main causes of breakdowns are incorrect or careless operation of the device and insufficient care. In order for the vacuum cleaner to last longer, it is important to perform simple preventive actions:

• Monitor the cleanliness of the filter elements - collect dirt, wash if necessary and change on time. Using a vacuum cleaner with damaged filters will sooner or later lead to engine failure;
• lubricate and promptly replace bearings with new ones;
• do not drop or hit to avoid mechanical damage - chips, cracks;
• store correctly. A suspended or unsuccessfully twisted corrugated hose will sooner or later break, high humidity in the room or too low temperatures contribute to the failure of electrical contacts, etc.;
• read and follow the operating instructions.

It is important to protect not only the vacuum cleaner, but also yourself: under no circumstances use a device with a damaged housing or power cord insulation - this could result in electric shock.

How long can a vacuum cleaner work without interruption?

A household vacuum cleaner owes its name to the fact that it is used “in everyday life” - for cleaning small offices, classrooms, apartments, and auditoriums. This means that it should work no longer than 30-40 minutes without a break. Otherwise, the vacuum cleaner may quickly exhaust its resource and fail.

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What to do if the vacuum cleaner begins to hum loudly and stops suction

If the vacuum cleaner hums but does not pull, and the problem has appeared for the first time, you can usually fix it yourself. It is enough to clean the unit or carry out basic repairs.

Cleaning or replacing filters

If your vacuum cleaner makes a strange noise due to clogged filters, you need to clean or replace them. The algorithm depends on the design features of the device:

Important! If your vacuum cleaner has disposable filters, you will need to change them more often. Even after dry cleaning, paper HEPAs do not restore 100% functionality.

Cleaning the hose, dust container, brush

If the vacuum cleaner makes a loud noise and a lot of debris remains after cleaning, it is necessary to thoroughly clean the entire unit. The first step is to empty the dust collector of dirt. They do it like this:

• open the special cover on the front panel of the unit;
• press the latch or clothespin holding the bag;
• remove the product from the device.

If the bag is disposable paper, it must be thrown away immediately and replaced with a new one. Synthetic dust collectors made of thick fabric are carefully shaken out, trying not to spill dust on the floor, and then blown out with a stream of air on the balcony or in the entrance. Some bags can even be washed; this information should be included in the instructions for the unit.

You should shake out the vacuum cleaner bag without waiting for it to overflow.

The vacuum cleaner hose also needs maintenance. It is disconnected from the main structure, and then cleaned using a plumbing cable, used for sewer blockages. The hose can then be rinsed from the inside with running water and left in a warm room for several hours to dry completely.

If the robot vacuum cleaner starts to buzz a lot or the manual model works worse, it makes sense to clean the brush. Threads, wool, hair and other debris gradually accumulate on its villi. The suction power drops, which increases the load on the motor, causing the vacuum cleaner to hum.

The turbo brush of a vacuum cleaner gets clogged especially quickly when cleaning.

To clean the brush you need:

• Using sharp scissors, carefully remove dense accumulations of hair and threads;
• if there are “floor/carpet” modes, pull out the bristles and also clean them of debris;
• immerse the brush in a bowl of soapy water for 15 minutes;
• Wash the part thoroughly using a hard sponge and rinse.

Before reinstalling it on the vacuum cleaner, you need to wait until the brush is completely dry.

Engine repair

If cleaning the dustbin, hose and filters does not help, and the vacuum cleaner motor is still humming, you can try to repair the motor. To do this you need:

• Using a screwdriver, remove the rear cover of the unit;
• remove the motor;
• remove the front part of the casing;
• unscrew the impeller and wash it in hot water and soap;
• pull out the armature and remove the bearings;
• in case of mechanical damage, replace them with new, similar ones;
• If there are no defects, wipe the parts from the remains of the old lubricant and apply a new layer of lithol or cyathim.

After this, the bearings and the dried impeller are carefully put into place without excessive pressure and the motor part is reassembled.

When removing the vacuum cleaner motor, you need to remember or write down how the wires and fasteners were located

Attention! If the vacuum cleaner hums even after cleaning the motor, all that remains is to replace the motor. You need to find exactly the same model, but it should be borne in mind that the purchase can be expensive.

The vacuum cleaner is making a loud noise: what should I do?

Before handing over the device for repair, you can perform a few simple manipulations to determine the cause of the strong noise.

The vacuum cleaner is making a loud noise, what to do:

• At the initial stage, turn on the device, but without the suction hose. Disconnect it and try working with the device. If the noise level has decreased, it means that the hose or brush is clogged. Take a regular kitchen cable used for cleaning drains and insert it into the hose.
• This will help push out any accumulated dust and hair. Be sure to clean the brush to remove excess hair and dirt. Dust and hair often accumulate, which is why air cannot move freely in the device.
• This in turn increases the load on the engine. It is necessary to turn off the device from the network and look at the condition of the filters. Be sure to clean them of dust and remove dirt from the device body.
• Open the lid and look at where the garbage bags meet the opening through which the garbage enters the bag. If there is debris at the joint, this indicates a loose fit, due to a large amount of dust and infrequent cleaning of garbage bags. It is necessary to clean the joint with a damp cloth and wipe the chamber in which the dust collector is located.
• Next, you need to find the corners where a large amount of dust accumulates, sweep it away with an old brush or toothbrush. Assess the condition of the engine compartment. Be sure to remove the dust collector and tilt the body to evaluate the suction power. Thus, without a garbage bag, you can blow out the device and remove any adhering dust that increases friction between the motor parts.
• If after these manipulations you do not get results, you must return the device to a service center. Before turning on the device, put all the filters in place and look for any gaps. If there are small gaps, dust will enter the engine through them, which may cause engine failure.

Technique

How to avoid problems

When operating a vacuum cleaner, you must follow a few basic rules. Namely:

• Carry out timely maintenance of the garbage disposal, preferably after each cleaning;
• Clean HEPA filters regularly and do not use them longer than expected;
• Do not use a vacuum cleaner to suck up too large debris or sharp objects;
• do not use the unit to collect liquids if it is intended for dry cleaning only;
• during long-term cleaning, turn off the vacuum cleaner from time to time and do not operate it without interruption for longer than permitted by the instructions.

Conventional units are designed to eliminate household dust or small debris. They cannot be used to collect construction dirt, for example, concrete or plaster chips. It is also not recommended to suck up spilled flour using the device. Fine substances in large volumes clog filters almost instantly. At best, the vacuum cleaner hums after them, and at worst, it seriously breaks down and requires service repair.

How to avoid noise: useful tips

To avoid excessive noise during operation of the washing machine and other problems, it is worth studying the instructions before using it. Make sure that the drum is not overloaded with laundry. Before putting things into the drum, you need to empty the pockets of small debris and objects. All accessories that do not adhere firmly to the fabric should also be removed before washing.

If the water supply in your region is too hard, you need to add softening agents (Calgon) when washing. It is useful to install filters (polyphosphate, magnetic, ionic or reverse osmosis system). They will not only soften the water, but also rid it of harmful impurities.

Be sure to use washing powders intended for automatic washing machines. This is necessary to ensure that plaque does not form on the heating element.

Following simple operating rules and taking good care of your washing machine can extend its service life for many years.

Differences in noise levels between different models

When choosing vacuum cleaners, many first of all pay attention to the noise factor of the device, since if there is a small child in the family, it will be impossible to carry out loud cleaning. For a visual comparison, it makes sense to consider the functionality of the most popular vacuum cleaner models and noise level:

• The iRobot Roomba 980 performs dry cleaning only, but can work on both regular flooring and carpet. The noise level is 63 dB.
• Philips FC 8820 costs slightly more than the first option, has long side brushes, and the ability to work for a long time without recharging. The device makes noise at 58 dB.
• Karcher RC 3000 is even less noisy - 54 dB. There is not a very capacious dust collector and there are no side brushes, and the electrical power is 600 W.
• The REDMOND RV-R400 vacuum cleaner is suitable exclusively for dry cleaning, takes quite a long time to charge and makes a lot of noise during operation. The noise level is 72 dB.

If you look at the store offers, the category of relatively quiet devices includes vacuum cleaners with a noise level from 35 to 55 dB. There is no direct relationship between noise and the cost of devices, although in practice, expensive models are designed in such a way as to produce as little noise as possible.

Cleaning filters

In most cases, your device may start making noise due to the fact that you did not clean the filters or the garbage bag in time. Due to severely clogged filters, air simply cannot get to your engine and, as a result, it will make noise. If the vacuum cleaner motor growls, then check the filters and clean the debris bag. In most cases, this gets rid of the problem.

If necessary, you can also check the hose and brush. Perhaps something just got there and because of this the vacuum cleaner is loud.

We repair the engine

If you have cleaned all the filters, but the engine hums like an airplane, then most likely the problem is worn bearings. The fact is that if the filtration system is heavily contaminated, dust will enter the engine compartment and stick to the moving parts. As a result, the engine begins to run dry, after which it begins to hum or whistle.

If you detect a breakdown in time and immediately begin to fix the problem, you may get away with simply lubricating the bearings, as shown in this video:

It happens that the engine simply becomes clogged with debris, after which it begins to hum loudly. In this case, it can also be saved by simply cleaning it, as shown in this video example:

If lubrication of the bearings does not help, then the problem is in the windings or other elements of the engine. Repair in this case is most often not advisable, especially if the equipment is old. It would be much wiser to buy new equipment. You can read about how to choose a quality vacuum cleaner for your home in our article.

That's all the advice we wanted to provide. Now you know why the vacuum cleaner hums and how to repair it yourself. We remind you once again that the main cause of breakdown is clogged filters, so be responsible when servicing the device!

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Question answer

What are the main reasons for a vacuum cleaner to overheat?

• clogging or damage to components,
• dust bin overflowing with garbage,
• engine malfunction,
• dirty filters.

Malfunctions should be checked in the following order:

• disconnect the hose - if without it the device heats up less, a blockage or kink does not allow air to flow, or the problem is in the telescopic tube;
• inspect the inlet of the vacuum cleaner for foreign objects;
• check how the device works without a dust collector;
• examine the condition of the filters;
• check the engine.

Why did the vacuum cleaner become loud?

Engine breakdown, failure of one or another component, bag filled with garbage (dust penetrates into the engine compartment).

If the engine is seriously damaged, it is better to purchase a new vacuum cleaner: replacing the motor is not economically feasible.

Diagnosing the cause

As a rule, the answer to the question of why a vacuum cleaner gets very hot is simple and logical. And the most common reasons for a possible problem are:

1. One of the device filters is clogged;
2. There is an object stuck in the hose or in the inlet of the vacuum cleaner;
3. The dust container is filled beyond normal limits;
4. The engine is not working properly.

It is possible to understand what exactly causes the heating through elimination. And in this case it is advisable to act in the following sequence.

• First, you should start the vacuum cleaner with the hose disconnected. If it stops heating, then the problem is either in the hose or in the nozzle.
• Then you need to inspect the inlet of the device. And if no unnecessary obstacles were noticed in it, then the dust collector will be examined further.
• It is important to carefully remove the container or garbage bag. And check how the vacuum cleaner works in his absence.
• If the engine continues to heat up, then it is time to clean the filters of the device.
• In the same case, if none of the above has brought the desired result, the answer to the question of why the vacuum cleaner is noisy and hot should be sought in the operation of the engine.

The user of this type of equipment should pay attention to the fact that with some skill he can cope with some problems on his own. But in a number of situations it is still impossible to do without service intervention. And if the owner of the unit is not confident in his abilities, then it is better for him to immediately contact experienced specialists who will help remove the breakdown.

Typical Causes of Loud Noise

Does your vacuum cleaner vibrate and hum suspiciously loudly when running? There are several reasons for this problem:

• accumulation of large debris in the hose;
• compressor malfunctions;
• engine failure;
• clogging of the filtration system;
• malfunctions of electronic components;
• damage to bearings and commutators;
• brush abrasion;
• impeller imbalance.

Important! Sometimes, when there is excessive noise, the body of the device heats up, vibrates, and it periodically turns off.

Why the vacuum cleaner began to work loudly - the whole point

If the vacuum cleaner creates too much noise during operation, this is a signal for the owner. He will have to figure out the causes of the hum and find a way to fix the problem. Otherwise, the equipment will fail. In this article we will try to answer two main questions: “Why did the vacuum cleaner suddenly start working loudly?” and “What should I do to eliminate the hum?”

Most popular damage

If you do not clean the dust collectors in a timely manner, do not change the filters, or use the device without an aquafilter to collect moisture, you will find a malfunction.

The filter is clogged

Damage occurs as a result of infrequent cleaning of the dust bag or filters. Has your household vacuum cleaner suddenly become very loud? The problem is explained by operation in overload mode, which intensifies the sound. Check the hose to see if large debris, dust bunnies, hair or animal fur may have gotten into it.

Most often, a clogged filter is to blame. Important! If measures are not taken in time, suction power is lost and the equipment may simply not turn on.

The bag is overflowing

Dust collectors have a certain filling limit - up to 80%. Disposable bags should be changed after each cleaning, and fabric bags should be washed thoroughly. To avoid clogging, before work, check the quality of fastening of parts, attachments and dust collectors.

Paper bags should be changed after each cleaning, and fabric bags should be washed thoroughly. Tip! If you forget to pay attention to the amount of garbage in the bag, buy a model with a light indication of fullness.

Failure of one or more components

Excessively loud noise can be caused by damage to the motor, impeller, brushes, motor, bearings and commutators. When everything is in order with the filters and bags, but there is a hum, contact the service center. Self-disassembly and repair will lead to a complete stop of the device.

Engine defect or malfunction

If there is a manufacturing defect in new equipment, the buzzing appears from the very beginning. According to the Consumer Protection Act, you can replace your vacuum cleaner within 14 days. If the breakdown occurs later, you have the right to free repairs at the manufacturer’s service center.

Vacuum cleaner motor

Let's look at user reviews

Vacuum cleaner users, mostly our lovely housewives, are trying to figure out the cause of the hum and ask a lot of questions. Here are just two popular questions of the same type: “Tell me, why does the vacuum cleaner hum loudly?” and “My Samsung vacuum cleaner is noisy, what should I do?”

Photo 9. A reliable Samsung vacuum cleaner needs constant filter cleaning

It turns out that modern Samsung models have special built-in sensors that regulate motor overheating. If the vacuum cleaner turns off during a long period of operation, it needs to rest until the engine cools down. If this rule is ignored, during further operation, it may fail. In addition, the Samsung 1600 w model is equipped with a large number of filters that need to be cleaned periodically.

After reading reviews on forums about a vacuum cleaner that began to hum loudly, users draw conclusions for themselves. Now they try to fill the dust bag only halfway, for fear of ruining the engine. Now their vacuum cleaner works silently.

Photo 10. Regular washing of filters is an unshakable rule

Pipe or hose is clogged

The reason for the loss of suction power and the appearance of extraneous noise may be a clogged pipe or hose. Fixing such a breakdown is quite simple: you need to walk inside the hose with a soft length of wire, with the help of which you can push out stuck debris and pieces of dust.

You should also pay attention to the condition of the brushes. The cause of the breakdown may be a foreign object stuck inside (for example, a match)

The process of cleaning brushes is carried out in the same way as pipes with a hose.

Failure of one or more components

A breakdown of one or several parts in the vacuum cleaner mechanism can also lead to the formation of extraneous noise. However, it is quite difficult to determine on your own which component has broken down, and an error can lead to the final failure of the entire device. In this case, it is recommended to contact the service center specialists.

Engine defect or malfunction

If blockages in various parts of the vacuum cleaner are excluded, and the operation of the device continues to be accompanied by strong noise or whistling, you should pay attention to the vacuum cleaner motor. The reason may lie in wear of the bearings (as a result of dust contamination in the engine compartment)

To diagnose, use a screwdriver to unscrew the cover and remove the motor itself. The presence of play when rocking the shaft with your fingers indicates a bearing malfunction.

This problem can be solved by lubricating or replacing the bearings. It is also recommended to pay attention to the winding of the motor and its other parts, the fuse with a fusible link

The occurrence of noise and whistling at the initial stage of using the vacuum cleaner indicates a manufacturing defect in the motor.

Diagnosing and repairing a vacuum cleaner motor is a rather difficult task. Therefore, if you have a warranty card, it is recommended to seek help first of all from specialists at service centers.

Having considered the main causes of vacuum cleaner malfunctions, we can conclude: most often the problem is the engine being clogged with dust. You should make it a rule to clean or change the dust container every time before you start cleaning, and also systematically clean the filters. This line of behavior will significantly facilitate the operation of the engine and extend the service life of the vacuum cleaner itself.

You will find more interesting information on this topic in the “Errors” section of our portal.

First of all, we clean the filters

Most often, the device is noisy due to the fact that air does not get to the motor, and therefore it is operated in overload mode. The reason for this phenomenon is trivial: the owners have not cleaned the filters for a long time and do not empty the contents of the bag in which the sucked debris is collected in a timely manner. By removing the clogged filters and emptying the garbage bag, you can easily solve the problem.

Photo 2. Variety of filters for vacuum cleaners

There are three types of filters used in household vacuum cleaners:

1. Primary – collecting debris and large dust particles that accumulate in a bag made of paper or fabric;

Photo 3. Primary filter sample

2. Nera – for collecting microparticles up to 0.3 microns in size, preventing them from getting on the device’s engine and extending its service life. They are:

• disposable, made of paper. Some people reuse them, cleaning them with a jet of compressed air. This method restores the filter by 80%. For an ideal result, it is better to replace it;
• reusable, made of polymer materials. They are washed and dried. But this does not protect them from harmful bacteria and germs.

Photo 4. Washing the reusable filter under running water

3. Aquafilter or water filter. The principle of operation is simple: dust particles are wetted, become heavier and settle inside the dust collector. The filter consists of a container for collecting large debris, dust particles and nerf. They clean it in this way: the container is washed, and the oil is washed and dried, or vacuumed and put in place.

Photo 5. Vacuum cleaner with a cyclone filter

4. Cyclone filter, which consists of a container and a filter. The dust is exposed to an air flow that picks up the smallest particles and sends them into a special transparent plastic dust collector. It must be cleaned after each use of the vacuum cleaner. Having freed the container from debris, the filter is washed, shaken out, knocked out or blown out.

Industrial and some expensive household models of vacuum cleaners have an automatic filter cleaning function. But even in them, due to active use, nera can become clogged. We already know how to clean them. From time to time the filter needs to be replaced with a new one.

Photo 6. Replacing the filter

We recommend! It is advisable to do this not in the apartment, but outside, so that dust with microbes does not again make the room dirty and harm your health.

Sometimes the vacuum cleaner not only runs loudly, but its suction power decreases. After cleaning the filter elements and replacing them, everything returns to normal.

Important! It is not unnecessary to check the suction hose and brush. Filled with scraps of paper, cellophane, and large objects, they can also cause the vacuum cleaner to hum.

Solving the problem

Once the reason why the vacuum cleaner overheats has been found, you can begin to solve the problem.

The filter is clogged

Most models of modern vacuum cleaners have filters that allow air to pass through while trapping dust, debris and other possible contaminants. And often, due to the debris accumulated on the surface of the filters, air begins to pass through their openings with increasing difficulty. As a result, the load on the unit’s engine increases and it begins to overheat. In this case, only cleaning the vacuum cleaner filters will help. Well, in those models where they are supposed to be replaced regularly, it is necessary to immediately change the filters to new ones. It is important to remember that some devices have multiple filters. As a rule, in addition to the filter at the inlet, there is also a filter in front of the motor, which prevents dust and debris from getting to the heart of the device, and at the outlet, in order to prevent contaminants from returning to the room.

Interesting read: Handheld vacuum cleaner - how to choose and how to use: 5 advantages and 5 selection criteria

Obstruction in the air duct

When cleaning, there is always a risk of something being sucked in and stuck in the hose or inlet. This forms a plug, which then prevents the passage of air, thereby causing the vacuum cleaner motor to overheat. As a rule, the problem is noticeable instantly, since the device stops drawing in debris and its operation begins to be accompanied by a peculiar sound. And the owner immediately has a question: why does the vacuum cleaner make noise?

Solving the problem in this situation is not at all difficult. You need to disconnect the hose from the inlet and either blow it out or clean it with a long object of suitable size. This is especially easy to do if we are talking about a vacuum cleaner with a composite pipe. For example, LG VK69661N or Gorenje VCK 1601 GCY IV. Once the “plug” has been removed, you can continue cleaning.

Useful article: How to choose a vacuum cleaner with a dust bag? 5 main criteria

Dust container is full

Sometimes the answer to the question of why a vacuum cleaner gets hot can be completely banal. Often the reason lies simply in filling the garbage bag. Dust and debris that are sucked up by a vacuum cleaner accumulate and eventually turn into a real obstacle to air flow. And you shouldn’t always blindly rely on the automatic shutdown system of the vacuum cleaner, which should be triggered at a certain level of filling of the dust collector. Sometimes it’s easy to check the level of dust in person.

If it turns out that the dust container is full, then you just need to empty the bag or replace it with a new one. Often fine dust fills the gaps in the fabric of a reusable trash bag, in which case it should be washed thoroughly.

It’s easy to make sure that the problem is an overfilled dust bin. It is enough to remove it from the device and check how the vacuum cleaner works without a bag or container. Don't want to regularly change and wash garbage bags? Then you should take a closer look at vacuum cleaners with an aqua filter. For example, Thomas TWIN Helper or Vitek VT-1835.

We recommend reading: Mop-vacuum cleaner – what is it and how to choose? – 5 main advantages of technology

Engine malfunction

If you can easily handle all the previous situations with your own hands, then only a qualified specialist will help troubleshoot the vacuum cleaner motor. The fact is that the reason why the vacuum cleaner overheats in this situation can be hidden both in the wear of engine parts and in interspecific short circuits. And it is unlikely that you will be able to identify the problem yourself without proper experience.

Typically, each type of vacuum cleaner has its own weak points. For example, some LG models eventually begin to need to replace graphite brushes. But in Samsung devices, sometimes there are violations in the insulation of the windings and, as a result, an interturn short circuit. You should not disassemble the engine yourself, but if the user decides to do this, he should be careful - electric motor housings are often made of aluminum alloy, which is very easy to damage.

Below is a summary table from which you can quickly determine what the problem is and how it can be quickly resolved:

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According to statistics, the most common reason why a vacuum cleaner overheats is due to clogged filters in the device. Therefore, due attention should be paid to cleaning and replacing them. Otherwise, the solution may be to purchase a unit without a filter. By the way, such devices break down less often and last a little longer than other models. In any case, no matter what causes the temperature to rise inside the vacuum cleaner motor, you should not expect the malfunction to go away on its own. In some cases, only timely and prompt intervention can protect the device from more unpleasant breakdowns.

How to clear the blockage?

The vacuum cleaner is very loud, even buzzing annoyingly, but you don’t know what to do? You can clean the filters yourself or repair the engine.

Advice! Before making repairs, unplug the equipment.

Cleaning filters

The equipment may make noise because, due to clogged filters, air masses do not reach the motor. The problem can be fixed as follows:

• primary fabric or paper elements are completely replaced;
• disposable HEPA filters are cleaned with a jet of compressed air or replaced;
• reusable polymer HEPA filters are washed and left until completely dry;
• aquafilters are cleaned by washing the container, HEPA and drying;
• The cyclonic filtration elements are cleaned after each cleaning by emptying the container, shaking out, knocking out or flushing with HEPA.

  Washing the filter under running water

Expensive models have automatic filter cleaning, but after the expiration of time, the part must also be replaced.

Advice! It is better to carry out cleaning outside or on the balcony so that dust and germs do not enter the room again.

How to change the filter?

If cleaning the filter elements does not help, you need to do the following:

• Wipe the dust container with a damp cloth and remove debris;
• Thoroughly clean the ribs and niches on the body - dust also accumulates there;
• Check the fasteners, since debris and dust reduce the quality of fixation of the dust collector, which leads to wear of the bearings;
• Blow out the place where the motor is attached, removing the dust collector.

Advice! Tilt the body in different directions, adjusting the suction power - this will remove dust particles from the engine compartment.

Engine repair

If after cleaning the filters and completely blowing out the equipment, the hum remains, then there is a possibility of bearing wear. It is a consequence of severe contamination of the filters, access of dust to the motor and sticking to the rotating components. A motor running “dry” causes the vacuum cleaner to hum and whistle.

The user can carry out initial repairs of the motor:

• lubricate the engine with quick-drying lubricant;
• replace bearings;
• check the motor winding - you need to unscrew the cover with a screwdriver, remove the motor and feel the shaft with your fingers. If play is detected, the bearings can be replaced;
• Clean the impeller - unscrew it, wash it in hot water with washing powder, dry it and put it back together.

  You can carry out initial engine repairs

Advice! You need to work with the plastic impeller carefully - there is a risk that it may dent or burst.

There can be several reasons for a humming vacuum cleaner. Clogged filters and a filled bag are easy to replace yourself. A faulty motor should be replaced. It is advisable to buy it from official suppliers of parts from the manufacturer. There is no point in repairing an old vacuum cleaner; it is better to buy a new one.

Watch a video about what to do if your vacuum cleaner is noisy

What you can do on your own

What should I do if the vacuum cleaner turns off during cleaning and does not turn on again, or when it does not turn on after storage? First you need to understand what happened. The algorithm of actions (and it must be performed sequentially) will be the same for all devices, regardless of the type of dust collector, be it a container, bag or aquafilter.

1. Check the power source. If there is electricity in the apartment, try plugging the vacuum cleaner into a different outlet. Perhaps the breakdown did not happen to him, but to the socket.
2. Inspect the power cord and plug for breaks, kinks, or other defects. The plug should not be melted, there should be no visible damage in connection with the cord or on it itself.
3. The next likely problem is the dust collector. If it is clogged, a safety shutdown may be triggered. Empty the dust container or change the bag. Check the hose to see if it is clogged with large debris.

Dust container is full

If the vacuum cleaner does not come to life at any stage of the diagnosis, the problem is a broken or burnt out motor. In this case, only service technicians will help, who will test the device on professional equipment and repair it.

Disassembling the vacuum cleaner

Now we come to the most important and complex breakdown - repairing the vacuum cleaner motor. To verify this, you need to disassemble the vacuum cleaner. Carefully remove all protective parts of the housing and find the engine itself. Now, very carefully, observing all safety precautions, turn on the vacuum cleaner. If the cause of the breakdown lies in the motor, then most likely you will see a bunch of sparks coming from the engine. There may be several reasons for this:

• brush wear;
• interturn short circuit in the winding;
• increased load on the “engine”.

So, in order. To replace graphite brushes, you first need to unscrew and remove the plastic caps and remove the springs. We take out the brushes themselves and insert new ones. Next, we perform all the steps in reverse order - insert the springs, tighten the caps. In order for the brushes to work properly, they need to be ground in. This can be done by stretching fine sandpaper between the brush and the commutator. In this case, the abrasive of the sandpaper should be turned towards the brush and, as it were, scratch it a little.

Reasons for loud operation of a vacuum cleaner

There are several main reasons why the vacuum cleaner becomes loud.

An overfilled dust bin is one of the most common causes, especially for older models. The dust bag can hold a certain amount of debris and must be changed periodically for disposable dust bags or cleaned (for reusable cloth bags). An acceptable filling level is around 80% of the volume, then the filtering capacity of the bag decreases significantly, the suction power drops, and the engine begins to operate at maximum power. Modern models of vacuum cleaners have a special light indicator that signals when the dust container is full.

Advice:

You should not reuse a disposable bag - it has low strength and a short service life. It can rupture at any time and all debris and dust will fall into the engine compartment, which can cause serious damage. Reusable bags need to be washed to improve their airflow permeability.

Clogged filters – modern vacuum cleaners have a multi-stage air purification system; premium-segment vacuum cleaners with HEPA filters are capable of capturing up to 95–99% of contaminants. After prolonged use, the filters become clogged, so additional power is required to allow air to pass through them. Some filters (mostly foam rubber, coarse filters) can be washed and they will almost completely restore their filtering capabilities.

Foreign objects - the traction of the vacuum cleaner may weaken due to balls of dust, large pieces of paper or debris, toys and other objects getting into the hose that will interfere with the free passage of air flow.

Technical fault – loud engine operation may be caused by worn bearings. If the filtration system is not promptly and completely cleaned, dry dust enters the engine compartment, settling on moving parts. As a result, the coefficient of friction increases sharply; if the bearings are not lubricated in time, they begin to operate virtually “dry,” which leads to their wear. It is much worse if the problem is caused by a winding malfunction or component failure. In this case, you will have to contact the service center.

Important:

If, when turned on, the new vacuum cleaner immediately starts to work very loudly, you must immediately contact a service center. It is highly likely that the problem is related to a manufacturing defect, so this vacuum cleaner can be exchanged.

The robot vacuum cleaner began to hum loudly: reasons

A robot vacuum cleaner is a device that allows you to keep your home clean between major cleanings. This technique can hardly be called a serious assistant, since it does not have as much power as a regular, large vacuum cleaner, but at the same time it allows you to keep the house clean by removing fine dust and small particles of debris. In terms of its design, it is almost the same as a standard, large vacuum cleaner, but smaller in size.

The robot vacuum cleaner began to hum loudly, reasons:

• The main source of loud noise from a robot vacuum cleaner is clogged turbo brushes. They rotate at high speed, become clogged, and a large amount of hair gets wrapped around them, resulting in poor air circulation.
• The turbo brushes may slow down. To reduce the noise level, it is necessary to dismantle the brushes, clean them, remove remaining hair, and rinse under water. Only after complete drying can the brushes be put back in place.
• The main reason for noise in a robot vacuum cleaner is the presence of debris on the motor. It is imperative to check the dust collector and clean it when the clogging level is 80%.
• And of course, the air filter, which cleans the air entering the vacuum cleaner. If it is made of foam rubber, it must be washed and dried. If the filters are disposable, replaceable, they must be replaced. If after all these manipulations the device is still very noisy, you need to contact a service center.

Robot vacuum cleaner

Device is not working

A robot vacuum cleaner may not work for a variety of reasons, some of which I described above. Other common faults may include:

• The robot refuses to execute commands with an error code displayed on the display. In this case, you need to find a decoding of the displayed code in the device instructions and understand the reason for the stop. Perhaps the wheels are tangled in wires or the dust collector is simply clogged.
• Absence of any signs of life, including indications. Most likely, the reason is that the battery is completely discharged. You need to take the robot to the docking station and check the connection of the charging terminals.
• No response to smartphone or remote control. You need to check the WiFi connection and check the batteries in the remote control.

Thus, most functional failures of robot vacuum cleaners are associated with simple mechanical problems or violation of the operating rules described in the instructions for the device. Preventative cleaning of work accessories and regular emptying of the dust container improves the quality of cleaning and significantly extends the service life of the robotic assistant.

Stanislav Marchenko

Navigation problems

Failures in the navigation system of the robot vacuum cleaner may be indicated by cyclical circular drives, constant collision with obstacles, or returning to the base immediately after launch. From the list of possible malfunctions, you should first of all exclude clogging of orientation sensors, which may vary depending on the design of the robot:

• IR obstacle detection sensors (usually hidden under tinted bumper glass);
• ultrasonic and edge sensors - in small windows on the bumper and on the side;
• fall sensors - along the perimeter of the bottom;
• laser rangefinder - a “puck” with slots on the robot cover;
• overview video camera - in the recess on the front panel.

Each of the detected sensors must be blown out and wiped with a dry cloth. You should also check the functionality of the wheels - a clogged rotary roller often causes the vacuum cleaner to move backwards and then turn off.

Another common problem involves a black pattern on the carpet or floor that the robot perceives as an insurmountable obstacle, or black furniture that the robot constantly crashes into at full speed. Such navigation features are explained by the shortcomings of orientation sensors: IR fall sensors perceive black stripes on the floor as gaps that need to be avoided, and IR obstacle detection sensors, on the contrary, perceive black furniture as free space. You can avoid such incidents by initially choosing a robotic assistant with an advanced navigation system based on lidar, echolocator or video camera.