The dishwasher does not start the wash cycle. Dishwasher malfunctions: types, causes and solutions to problems PM machine program runs but does not wash

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Symptoms: the characteristic click of the door closing was not heard; perhaps the corresponding indicator was on

Poor water supply

Symptoms: usually water begins to fill, but washing does not start and soon stops

Sprinkler nozzles clogged

Residues of food can clog not only the drain filter, but also the spray nozzles, which are located directly under the shelves with dishes: in this case, the water pressure for washing dishes will be much weaker, and the washing may stop. It is necessary to remove the sprayer rocker arms and clean the injectors with something moderately sharp, for example, a toothpick.

Circulation pump is faulty

If the circulation pump breaks down, water is not supplied to the spray nozzles, and washing is impossible in principle, since water will not be supplied to the dishes. This is one of the most serious breakdowns; you will have to call a technician.

A lot of foam is generated

The drain filter is clogged

The control board can block the start of the wash even if there are any problems with the drainage, and rightly so: you still won’t be able to wash the dishes properly. One of the most common reasons is a clogged drain filter: water with detergent residue will not quickly leave the chamber, will remain on the dishes and turn into unpleasant stains after drying. We advise you to make it a rule to clean the drain filter after each wash - it gets clogged quickly.

The drain pump has failed

Water may not drain well not only due to a clog in the drain filter, but also due to a breakdown of the drain pump: if it does not show signs of life, the control module will not start the washer. This is a complex breakdown, and only an experienced specialist with the necessary diagnostic equipment can properly repair the pump.

The water level sensor is broken

Symptoms: the dishwasher fills with water and does not start, the water keeps pouring and pouring, but the wash never starts

The washing itself will start only after the control module receives the appropriate command from the sensor monitoring the water level in the chamber: if there is no command, the washing will not start. In such a situation, it is most difficult to establish that this particular sensor is to blame: high-quality diagnostic equipment is required here.

The temperature sensor or heating element is faulty

Symptoms: the noise of water being drawn is heard, but after a while the washing process stops

For high-quality washing, the water must be heated to the temperature specified in the program: if this does not happen, the washing will stop.

The cause may be either a burnt heating element (heating element) or a faulty temperature sensor (thermostat). And if the heating element can still be replaced relatively easily by yourself, then it is better to entrust it to an experienced technician to diagnose the malfunction of the sensor and replace it with the “correct” one.

Problems with the control module

Symptoms: any, but, as a rule, the washer does not start at all, there is not even any water supply

The worst and most expensive thing that can happen to a PMM is a breakdown of the control module: it cannot be repaired - only replaced: it itself is not cheap, and even replacement and diagnostic work costs a lot of money.

Many dishwasher users encounter a strange problem: the machine seems to be working, the washing program is running, but it either does not wash the dishes at all, or washes them completely unsatisfactorily. It would be easier if the machine generated some kind of system error, but it turns out that the dishwasher “does not know” about the breakdown and continues to work. In this case, the user’s task is to figure out the reason for this behavior of the equipment and find a solution to the problem - this is what we will do, and we will describe the result in the article.

Let's understand the symptoms and causes of failure

It is quite difficult to draw a line between symptoms when or when you stopped washing it altogether. We will consider them together, since the nature of such errors is often the same. What happens in this situation with the dishwasher?
The washing program starts, runs and ends, and at the end the dishes not only remain dirty, they are almost never wet.
After completing the program, the dishes are wet and completely dirty.

The dishwasher operates in a specific mode, but the dishes are not washed satisfactorily.

Important! If the above symptoms appear repeatedly, you should definitely observe how the dishwasher executes the washing program and note any oddities.

In this case, the main negative factor will be that the dishes remain dirty. But you need to understand that time is wasted, electricity, water, and your nerves, in the end. As a result, it turns out that this breakdown is even worse than if the dishwasher simply did not turn on - there are more harmful consequences. So, what causes the above symptoms?
These or other user errors, we will talk about them a little later.
Impossibility of normal water circulation inside the dishwasher.
Difficulty collecting dishwashing detergent.
Damage to the heating element if the machine does not have a temperature sensor.
Breakage of the spray rocker (impeller).

The reason lies in user error

As experts from leading service centers in the world note, the main reasons that a dishwasher does not wash dishes are various user errors that they make while using the dishwasher. The most common errors are as follows.

The dishwasher is not cleaned on time, or the user does not clean it at all.
The user places dishes in baskets incorrectly.
The user pours detergent into the wrong compartment of the cuvette or uses inappropriate detergents.

Much has been said on the pages of our website about the need to periodically clean the dishwasher, but users stubbornly do not do this. Cleaning must be carried out at least 2-3 times a year, and if the machine is used intensively, once every 3 months.

For your information! The dishwasher is cleaned not only with the help of chemicals, but also manually, if cleaning only one way will be of little use.

You can find out in the operating instructions for your dishwasher or in the article of the same name on our website. In addition to cleaning, it is important to place dishes in baskets correctly. Experts note the following mistakes people make when placing dishes in the dishwasher:

the dishes are not placed correctly in the basket;
put large items in the upper basket, and small ones in the lower one;
place individual items at the bottom of the dishwasher tank, next to the rocker arm;
stack the dishes so that they touch the cuvette for detergents.

Each of these errors leads, at a minimum, to poor quality of dishwashing, and at most to a breakdown of the moving element or valve of the detergent cuvette. It is also a serious mistake to use unacceptable means. Some people, in an effort to save money, pour all sorts of rubbish into the machine, thinking that it will help wash the dishes. In our opinion, the use of homemade powders and rinses is acceptable, but they must be prepared in accordance with proven recipes and safe chemicals must be used.

In particular, it is unacceptable to use mustard powder instead of detergent. After the first wash, the nozzles of the rotating rocker will become clogged with mustard and dry out. After this, if they are not cleaned, the next dishwashing will be more than unsuccessful.

Problems with water filling

Another reason why your dishwasher won't clean dishes is a problem with the fill valve. Everything is simple here; washing is impossible without water. But why does the machine continue to execute the program if it has not taken in water, why does the error not trigger and the washing does not stop? The fact is that on some dishwasher models, water level sensors do not work correctly, or the connection between the control unit and the sensor is broken. As a result, the machine washes dishes without water.

Important! If the machine operates without water, this is fraught with consequences for the heating element, because it can simply burn out.

If you suspect something similar is happening to you, listen to the car while it is running. Usually it is difficult not to hear the filling and draining of water, because a characteristic murmur is heard. If you notice that water is not getting into the dishwasher, take action immediately:

interrupt the washing program;
check if there is water in the water supply;
check that the water supply tap to the dishwasher is not closed;
Check the functionality of the electrical and mechanical parts of the fill valve.

To check and repair a valve, you must first locate it. Typically the fill valve is located in the front left corner dishwasher, but it happens that it is placed on the right or even behind.

Unscrew the front decorative panel dishwashers, we find inlet hose, which is screwed to the valve. Let's do the following.

We turn off the water and unscrew the hose, and then the valve itself.
Take a multimeter and set the toggle switch to minimum value Ohm.
We connect the multimeter probes to the contacts of the filler valve.
If the multimeter shows a value from 500 to 1500, the valve is working, if 300 or less, the valve must be replaced.
If the valve's electrics are OK, but it still doesn't work, check to see if it's clogged with dirt. float switch– this happens often.
Having corrected or replaced the valve, screw it into place along with the hose and turn on the water.

For your information! The valve can be cleaned of dirt by soaking it in alcohol.

Problems with water circulation and product intake

Water may fill normally into the dishwasher, but this does not mean it will come into contact with the dishes. In order for powerful jets of water to hit plates, glasses, forks and other utensils, it is necessary that the circulation pump. It is thanks to him that water under pressure enters the rocker arm, and through its small holes rushes onto the dishes, knocking off dirt from it. If the circulation pump stops working, a problem occurs. a big problem, in which the machine does not wash dishes.

What we can do? First of all, we must get to the circulation pump.

We disconnect the dishwasher from the electricity, unscrew the hoses and pull it out of the niche in which it was built.
We spread several rags on the floor to absorb water from the machine.
We put the car on rags with the back wall down, we need to get to the pan.
We disconnect the front decorative panel, and then all the wires connecting the tray and the main body.
Pull the pan towards you and remove it; in the very center there will be a circulation pump.
We check its contacts with a multimeter in the same way as described above, but if the winding is broken, then it will be difficult to do anything - you will have to change it.

Important! The dishwasher circulation pump is a rather expensive element, so to avoid risks, entrust its diagnosis to a professional.

Quite often, the quality of dishwashing deteriorates sharply due to the fact that the machine cannot remove the product from the cuvette. This problem may arise not through the fault of the user, but through the fault of the manufacturer. Often, on Chinese-made machines, the tablet compartment valves are not adjusted as needed. From hot water The plastic expands and the valve jams. As a result, the tablet does not dissolve and the dishes are difficult to wash. To solve the problem, you can either replace the detergent compartment or adjust the edges of the valve using fine sandpaper.

Broken impeller or heating element

All modern dishwashers are equipped with temperature sensors, but older dishwashers did not have this element. If you have just such a machine, then keep in mind that if the heating element fails, it will not give an error, but will continue to wash the dishes cold water. The problem is solved by replacing the heating element.

Also, the dishwasher will stop washing dishes if its arm breaks. If the rotating rocker touches any object (positioned incorrectly in the dishwasher tank), it may fly off or even burst, because it is made of flimsy plastic.

The rocker arm cannot be repaired, especially if the fastening is broken, it needs to be replaced.

In conclusion, we note that if the dishwasher refuses to perform its main function - washing dishes, then this means that you need to immediately start looking for the cause of such a “disgrace”. There are several main reasons and we tried to talk about all of them at least a little. Happy renovation! If your dishwasher breaks down, do not rush to call. Perhaps the problem can be fixed on your own, without additional investment.

To do this, you need to carry out diagnostics and identify the cause of the breakdown. The error code and explanations in the instructions will tell you whether you can repair the dishwasher yourself or whether you will still have to call a professional.

Repair activities should not be started without checking the warranty periods for the dishwasher.

Most often, the manufacturer provides a 1-year warranty, but responsible companies extend the period of free repair or replacement to 5 years.

When purchasing a PMM, you should also inquire about the warranty period. If they are not indicated in the product card, then full information must be given by the sales consultant

If the machine breaks down during the first year of operation, it is not recommended to disassemble or replace spare parts on your own. You should immediately contact the store where you purchased the dishwasher and clarify the repair rules.

Approximate procedure:

applying for warranty repair– the store or service center must provide a special form or fill it out yourself;
choosing a convenient time to remove equipment;
drawing up a transfer act at the time of export;
if desired, submit an application for the issuance of replacement goods.

The last point is written in law “On the protection of consumer rights”(v.20). The application is handed over to the store representatives against signature, the original is kept by the buyer. Instead of broken equipment they give new one the same class for the entire repair period.

If the device weighs 5 kg or more, the store takes care of its delivery to the service center. Dishwashers belong to the category of equipment with free transportation

But you shouldn’t always rush to hand over your equipment for repair. To ensure that seemingly correct actions do not turn out to be an incident, you should first check whether the machine is connected correctly.

The dishwasher may not work because you forgot to plug the plug into the outlet or open the water supply tap.

It is necessary to check whether the wiring is correct and whether the circuit breaker in the apartment electrical panel. You can check the current supply to the outlet using another electrical appliance.

If all connection steps are completed correctly, and new car does not perform the task or works intermittently, we advise you to use warranty service.

With machines whose warranty period has expired, everything is simpler - you can disassemble them, try to replace small parts yourself, and if you have enough experience, then carry out complex repairs.

Let's consider the most common problems problems that dishwasher owners face, and we’ll find out how to organize the work of irreplaceable assistants.

Problem #1 - poor cleaning quality

If your dishwasher does not wash dishes well and does not completely wash the dishes, we are looking for the reasons for the “wrong behavior”.

Whitish stains on plates, food residues smeared on the bottom of a pan, glasses that have lost their transparency - all these are signs of poor-quality washing.

They appear when the rules for operating the machine are violated or the wrong choice of detergents is used. Poor cleaning is also often caused by untimely cleaning of filters.

It’s easier to start checking by inspecting the internal surfaces and parts. It is necessary to unscrew the filters, remove the spray rockers, clean everything thoroughly with brushes under running water and install in place. How does this happen:

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The filter mesh on the water supply hose also needs to be washed regularly. If it becomes clogged with dirt particles, the water pressure weakens, and the dishes are poorly rinsed.

Incorrectly selected detergents or improper dosage also affect the quality of washing.

The lack of rinse aid results in powder stains remaining on glass and ceramic dishes. The same result is achieved by using products not intended for use in PMM.

Carefully read the instructions for the machine, especially the section on detergents, and also read the recommendations of the manufacturers of three-in-one tablets, powders and rinse aids.

Dirt on the dishes can also remain due to poor preparation of heavily soiled pans and pots. If large, hard, dried-on pieces of food are not removed, some of them will remain or end up in adjacent trays

Be sure to follow the stacking order recommended by the manufacturer - place cups in the top tray, plates in the middle, and large utensils in the bottom. If you violate the scheme, then heavily soiled dishes will not receive sufficient care.

Problem #2 - water remains inside the case

A small puddle at the bottom of the washing chamber is a sign of normal functioning of the machine.

A certain amount of liquid is necessary to maintain a certain level of humidity - with it, rubber seals do not dry out and remain elastic longer. But excess water is a signal of a malfunction of the PMM.

If the water level in the pan is above 1 cm, and food remains are floating in the cloudy liquid, then you need to look for the cause of the breakdown in the drain pumping system

There are several main reasons for water stagnation in the pan:

outlet hose connected too high, which is why the water is in no hurry to leave the washing chamber; it is necessary to lower the outlet to a height of 35-45 cm;
blockage, which arose due to improper care– filters should be cleaned approximately once every 1-2 weeks;
water pump– malfunction of the pumping device;
sensor– breakdown of the water level sensor.

If the first two reasons can be eliminated on your own, then difficulties may arise with the second. Broken sensors or pump require replacement.

The best way out is to invite a specialist from the service center for detailed diagnostics and selection of suitable spare parts.

Both types of parts (pump and sensor) can be original or alternative. The original ones usually cost more, while the Chinese counterparts are cheaper.

Problem #3 - unexpected machine shutdown

A dishwasher that stops working before the end of the cycle is an alarming signal. An isolated case can be explained by an electronic system failure or a power surge, but regular shutdowns most likely indicate problems with the power supply.

To begin with, you can apply a restart - press the button "on" after 20-30 seconds. If the washing process has started, the current in the network has stabilized.

If the network is weak and overloads occur from time to time, it is better to invest in a stabilizer - this way you will prevent possible failures and thereby save machine parts.

The cause of a temporary lack of voltage in the network can be electrical installations - sockets, tees or filters.

“Middlemen” between the outlet and the power cord should be avoided; it is better to use a direct connection. But if you still use a surge protector, then choose a device with a fuse.

Often a shutdown occurs due to a breakdown of the heating element (the arrow points to it in the figure). Thick layer limescale or a hole leads to an overload and the machine automatically turns off

If you have previously changed the heating element in the boiler or washing machine, you can also repair your dishwasher. It is important to correctly select a part similar to the broken one and carefully install it.

The most difficult thing is when the dishwasher is constantly stopped by the control module with malfunctions in the program. It is almost impossible to repair it on your own, so it is better to invite a specialist to diagnose and repair it.

Problem #4 - unregulated water drainage

Such a malfunction may not be noticed immediately. The motor and pump of the machine are constantly in operation, water enters and immediately leaves the washing chamber, while the dishes still remain dirty.

If you look at the counter cold water, then the problem can be identified faster - it reels up liters that are wasted down the drain.

If the sensors are working properly, an error code appears on the display. U different brands he is different. For example, Bosch dishwashers issue code E15 - activation of the Aquastop system, which protects against leaks

However, sometimes the electronic control system does not work, and you have to guess based on indirect signs - water drainage, pump operation.

If the water inlet valve is faulty, the process of filling and draining becomes endless. Water flows in, but there is no signal to stop. An overflow is created, which is eliminated by automatically turning on the pump.

In such cases, you can do one of the following:

Turn off the water.
Turn off the power supply.
Reach the connection point for the inlet hose.
Disconnect the hose and remove the filter.
Locate the valve and check its functionality.

Use a multimeter to check. The probes are attached to the intake valve contacts and determine the resistance. The norm is 500-1500 Ohms, other values indicate a malfunction. The broken part must be replaced.

Another reason is electronic failure. The repair can be done by anyone who can resolder the pump triac or perform similar actions. Otherwise, it is better to contact the service center.

Problem #5 - dishes are not drying

Remaining drops of water on dishes can turn into unsightly spots and stains, so the dishes must be dried thoroughly. If the dishwasher regularly does not dry the dishes, we determine the reasons on our own.

The most common type of drying in budget and mid-range dishwashers is condensation.

That is, the dishes dry in natural conditions, and only the case heated after washing helps her with this. Once the metal cools, the drying process will slow down. To extend it, the car door is opened slightly.

You can use a towel and dry all the plates by hand, but it is better to find out what is causing the drying problem and fix the problem if possible.

The first reason is a breakdown of the heating element or temperature sensor. Repairs will not bring much success, so it is better to replace these parts immediately. When replaced at a service center, they sometimes provide a 6-month warranty on the newly installed part.

The second reason is the fan. It applies to machines equipped with turbo drying. If the fan fails, the forced supply of hot air stops and the dishes remain damp.

The solution is to replace the fan. It can be located both in the upper and lower parts of the washing chamber, and on some models - on the side.

When choosing a new one, you should consider the make and model of the car. A “non-original” part will not fully cope with its task, so try to choose an analogue of the broken device that is suitable in terms of technical characteristics.

Problem #6 - The car makes a loud noise

This is one of the most common complaints received from consumers when a dishwasher is sent in for repair. A loud noise, not typical for a working machine, indicates the failure of one of the parts.

There are two main reasons: worn out bearing circulation pump supplying water, or the pumping pump has failed water pump.

To replace the bearing, you must remove the pump by following these steps:

turn off the power supply;
dismantle the pallet;
unscrew the pump, loosening the clamps;
Carefully disconnect the wires and pipes.

Having removed the pump, we disassemble it to get to the bearing. First, remove the heating element, then remove the impeller and armature.

Unfortunately, the parts of modern inexpensive machines are not reliable and can last on average 3-4 years. Then the worn out parts are replaced again.

In the depths, under the other parts, there is a bearing. Under it there is a gasket, which is also a consumable. If it is worn out, it is better to replace it immediately, otherwise you will have to disassemble the pump again later.

We take out the “knocking” bearing and insert a new one in its place. We perform assembly in reverse order.

Installing a new pump follows the same procedure: we dismantle the old device, find the breakdown and, if it is serious and cannot be repaired, replace it. For ease of work, the machine can be placed on its side if conditions permit.

Problem #7 - foam does not wash off after washing

The dish cleaning process is designed in such a way that first the detergent enters the chamber, then the rinse aid, and at the end all remaining substances are washed off with water.

If at the end of the cycle there are foam residues left on the bottom of the chamber, on the walls or baskets, this indicates either improper use of detergents or a failure in the settings.

Some users do not spare the powder, do not follow its dosage, and, on the contrary, do not use the rinse aid. As a result, the foam is poorly washed off and remains on the dishes and elements of the lower section.

To avoid violent foaming, you need to study the instructions, remember the dosage and follow the manufacturer's recommendations.

A number of models are not designed for the use of 3-in-1 tablets. As a result, the machine does not correctly recognize the product, and by the end of the cycle it does not have time to completely dissolve.

If the function of using universal tablets is present, but separate products were previously installed, you need to change the dishwasher settings. How this happens is described in detail in the instructions.

A clogged filter can also be the cause of excessive foam at the bottom of the box. Residues of food serve as an obstacle to the drainage of water, especially foamy water, as a result of which some of it remains at the bottom by the end of the cycle. The situation will be improved by simply cleaning the filter.

Electronic prompts about the type of failure

Modern models are equipped with many sensors that monitor most processes. They are located with inside housings, at valves, behind walls and are sensitive to water level and temperature changes.

As soon as an emergency situation occurs, the sensors give a signal, the relay is activated and stops the washing process. The dishwasher's error code is displayed on the electronic display, which can be used to determine the reason for its stopping.

You cannot use codes of one brand to determine breakdowns of another - different manufacturers the characters are different. They usually have alphanumeric designations

The list of codes can be found at the end of the instructions, in the repair section. It usually takes the form of a table, which contains the designations themselves, a list of breakdowns and recommendations for eliminating them.

Sometimes self-diagnosis produces a code indicating several reasons at once - you will have to check the likelihood of all of them one by one. If the breakdown is serious, then in the table you can find the recommendation “contact the service center” or “call a specialist.”

In older models, especially those that have undergone more than one repair, the electronics often suffer and malfunctions occur.

If the machine obviously produces an incorrect code, you should have it repaired or think about buying a new one - kitchen appliances, like other devices, has a limited service life.

Conclusions and useful video on the topic

How to repair heating elements from Bosch and Siemens - error code E09:

The advantage of contacting a service center is a guarantee for the newly installed part, and the advantage self-replacement or repair - saving money.

Operating a Bosch dishwasher may result in malfunctions. The machine’s self-diagnosis system displays an error code on the display so the user can find the cause of the breakdown.

What are the most common breakdowns in a Bosch dishwasher? Is it possible to do the repairs yourself? You will find answers to questions in the article.

What factors lead to dishwasher failure:

Incorrect use and connection. Before starting operation, the user does not study the instructions.
Poor quality water with impurities.
Power surges in the network.
Installation in a damp room, which affects the electronics and control module.

There are main types of faults, and you need to pay attention to the behavior of the machine if it does not work correctly.

If the machine does not fill or drain water, the cause may be a clogged drain or inlet hose. The filter or drain pump could also be clogged. The reason for the lack of water could be a broken fill valve.
If your Bosch dishwasher freezes and won't start, or you have problems washing dishes, there may be several reasons. If the nozzles or rocker arms are dirty, water does not flow well into the machine. Therefore, washing may not be effective.
If the PMM door is not closed properly, water intake will not start and the system will freeze. The most difficult failure is a module malfunction.

How to check the pump and other parts of the dishwasher, read below.

DIY dishwasher repair

As you understand, common reasons breakdowns are caused by blockages or incorrect connections. Let's look at how to carry out repairs yourself, without the help of a specialist.

If water does not flow into your Bosch dishwasher, check the following:

turn off the water supply;
inspect the inlet hose, it may be pinched;
Unscrew the inlet hose and clean the filter mesh.

Additionally, the fill valve is checked - its coils are tested with a multimeter. If there is a malfunction, the part is replaced.

If the dishes are poorly washed, the problem is that the nozzles, which are sprayed with water from above, are clogged. You can clean small holes with a toothpick.

Due to blockage, water may not be washed off after washing. The machine needs proper maintenance: before loading, the dishes must be cleared of food residues, otherwise the filter will become clogged. How to fix the situation:

There is a filter at the bottom of the dish compartment. You need to unscrew it and clean it from dirt.

Behind the filter there is a circulation pump. If it is clogged or broken, water is not pumped out of the machine. A new pump needs to be installed.

The drain hose is also inspected and cleaned.

The blockages were sorted out. Now we’ll tell you how to fix the PMM if it doesn’t want to wash the dishes.

You have downloaded dirty dishes, but the machine does not start drawing water or freezes altogether and does not respond to pressing. How to repair equipment:

Check the door lock. The hole where the lock latch fits may be clogged. Try cleaning it.
With frequent use, the “Start” button could get pressed. Try to disassemble the control panel and return the button to its place.
The most serious malfunction is the control module. A technician can diagnose and repair it.

When the dishwasher closes normally, but the wash cycle does not start, the level sensor could be broken. It cannot be repaired, it needs a complete replacement.

Water flows normally into the machine, but does not heat up? A heating element faulty For instructions on replacing the heating element, watch the video:

Noise during operation

The cause of extraneous noise during operation may be wear of the bearings. This is caused by water that seeps through a damaged oil seal. The lubricant is washed out and the bearings begin to hum. Only replacing the bearings and seal will help.

In the article we looked at the main reasons for the breakdown of the Bosch dishwasher. The machine's self-diagnosis system will help determine the problem. If you are not sure that you can fix the equipment, it is better to contact a specialist.