Useful life for microwave oven

Microwave oven useful life

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When did mass production begin?

Serial production of the model mentioned above began in 1949. And six years later the first household microwave

, designed for the general population, was created in.

1962 is considered the year of mass production of household microwave ovens.

. It was established by the Japanese company Sharp. Unfortunately, the new product did not become popular because the consumer greeted it with distrust.

In the USSR, serial production of microwave ovens began in the early 80s of the last century. They were manufactured at such well-known industrial enterprises as ZIL, YuzhMash, as well as the Tambov machine-building plant named after V.I. Lenin in Dnepropetrovsk.

Over the years, the appearance of microwaves has changed significantly. It has become a compact device that is very convenient to use. And over time, it acquired many useful functions.

Microwave oven service life. How to extend her life?

According to the manufacturers' instructions, microwave ovens last from 2 to 10 years (each manufacturer determines the operating life of the oven independently). However, some microwave ovens need to be replaced after just a year. They may lose power and take forever to heat something up, the turntable may fail, or the lid may not seal properly. All of the above cases are a sure sign that the microwave needs to be replaced, or at least sent for repair to fix the problem.

But it also happens that even after 10 years of trouble-free service for the benefit of the family hearth, the microwave oven still heats up dishes, prepares breakfasts and even cakes with cream, in general, remains the permanent guardian of family satiety and good mood.

What determines such a striking contrast? From the manufacturer, from the frequency of use, and perhaps from the users’ compliance with all operating conditions of the device?

Of course, following the operating instructions will extend the life of the microwave oven at least twice. However, do not forget about the rules for installing the device, and also that it, like any other household appliance, needs to be looked after. Now let's move on from theorizing to specific practical advice on extending the life of this indispensable device in everyday life.

First of all, you need to choose the right place to install the stove. The microwave must have its permanent home in the kitchen. Of course, this is not such a big device, but let's count how many times a day we use it to heat food. At least three times if a person lives alone, and if the stove serves a family of three. You must agree that it is extremely inconvenient to take it out of the closet every time.

The ideal placement for a microwave oven would be a horizontal surface that rises at least 90 centimeters above the floor level. You cannot place the stove close to the wall - it is better if the distance between it and the wall is about 10 centimeters. It is worth abandoning the idea of ​​placing it near sources of heat and steam. And the window will not be the most advantageous neighbor for the stove. Judge for yourself: the temperature difference is most felt on the windowsill, especially in winter, when frosty air comes from the window, and the batteries under the window sill are working at full capacity. This will quickly damage the microwave oven.

Criterias of choice

First of all, when choosing, you need to take into account the required set of options. It’s better to honestly admit to yourself how popular the modes offered by the manufacturer will be, for which you will have to pay a large sum. When there are new products or something seems very necessary and attractive, there is a high probability that in fact, after a couple of attempts, all this will not be in demand. Other parameters will depend on the size of the family and the available space in the kitchen.

• capacity (internal volume in liters);
• power (the more, the faster you can cook or heat food, but electricity consumption will also increase), on average ranges from 700 to 1000 W;
• modes (the more there are, the higher the price; if you want “everything at once”, it is better to take a multifunctional device with convection and grill);
• type of control (with simple mechanical switches and buttons, ovens are cheaper, but easy to operate and last a long time), but electronics and sensors add capabilities;
• coating (enamel, bio-ceramics, stainless alloy or a combined composition - everyone will choose their own, there are no clear recommendations here);
• weight (this must be taken into account if the microwave is installed on brackets or a shelf).

On a note!

If the purchase is being chosen as a gift for parents, it is better not to buy complex mechanisms with touch buttons and complex programs; there is a high probability that it will be difficult for them to master this technique.

Power

The power of microwave ovens can be from 500 to 1500 W. The higher the power, the faster the dish will be heated or cooked. There are also ovens with power control - quite convenient, you can quickly heat them up and carefully defrost them.

Camera coating

A very important factor. The service life and ease of cleaning the inner surface of the microwave depend on it. Types of coverage can be divided into three categories:

1. Enamel. The most familiar and frequently encountered material. Due to its low cost, all inexpensive devices are covered with it. The advantages include low cost and ease of maintenance. But there are significant drawbacks - the coating is fragile, and over time, cracks form due to temperature changes.
2. Stainless steel. More expensive and durable material, usually used in middle-class models. It reacts more calmly to temperatures, but is more demanding in terms of care. Here you will have to buy special cleaning products.
3. Ceramics and bioceramics. Perhaps the best camera coating material at the moment. Easy to clean, resistant to temperature changes, strong and durable. There is only one minus - the cost of such a device is twice as high as others.

Volume

Based on volume, microwave ovens can be divided into three types:

• small. The volume of such ovens is usually from 8.5 to 20 liters. You can make sandwiches in them, heat water for tea or coffee, and so on. This is a solo device;
• average. This includes stoves with a volume of 21 to 27 liters. Here the manufacturer already adds some functions, sometimes grill and convection. Such a device will be quite sufficient for a family of 2 or 3 people;
• big. It's practically an oven. The displacement of such a stove can reach 42 liters. Additional functions are definitely provided here.

Functional

In addition to the main purpose of heating food, microwave ovens are used for cooking, defrosting food and other things thanks to additional functions. Among them are:

• automatic defrosting/heating of food. In this case, the oven itself chooses how long to turn on depending on the product and its quantity;
• quick defrosting or heating;
• function of maintaining heat in the chamber. You can prepare various dairy products with it;
• smart microwave. It remembers how to prepare a dish and subsequently you just need to select this new mode;
• delayed start. With it, it’s easy, for example, when leaving on business, to set the time and put food in the camera. When you arrive home, a warmed lunch/dinner will be waiting for you.

Microwave oven life

The microwave has long become an everyday attribute of any modern kitchen. This useful household appliance allows you to quickly heat or cook food, spending a minimum of effort and time. In daily use, this technique has become truly indispensable. In this article we will focus on the features of the microwave oven and its service life.

When buying a microwave oven at a hardware store, consumers are primarily interested in the device’s functions, reliability and durability.

Most microwave oven models have the following functions: heating, defrosting, grilling and convection.

The device heats food quickly and evenly, which is very convenient, for example, in the morning when everyone is rushing to work. In addition, you can do without pots, pans and harmful oil. It is enough to put the food on a plate or in a container, place the container on the rotating table in the chamber and turn on the heating mode. After a couple of minutes, a hot snack is already on the table. If you don’t have time to eat a full lunch, you can easily prepare hot and tasty sandwiches with a variety of fillings in the microwave.

On a note! American scientists managed to find out one important detail that indicates the benefits of this electrical appliance. Pathogenic, dangerous microorganisms contained in food die under the influence of microwaves 5 minutes after the products are in the chamber.

Electronic control

More difficult to use are electronically controlled microwave ovens. However, in most of them you do not need to set the timer yourself. You just need to select the required product from the list of suggested ones and the cooking option. Such units themselves program the required amount of time for cooking. But they have a timer, which is necessary for preparing those dish options that are not on the list. Typically, timer buttons or pointers for touch controls are located separately at the bottom or top of the panel. One indicates the number of minutes, the second indicates the number of seconds. However, depending on the models, the buttons may differ.

Setting the time on a microwave with this control is even easier. Usually there is another special button to return the timer or clock to the “factory settings”. As a rule, it is used if the time was programmed incorrectly.

What affects the service life of a microwave oven?

Product quality

Models of microwave ovens offered on the household appliances market have different prices and sets of functions. It is better to make your choice in favor of proven brands.

The quality of the device is affected by the type of coating used in the chamber. It is recommended to buy cameras with ceramic and bioceramic coating. This surface is easy to clean and is considered safe for health. There are no traces of dishes left on it.

To save time and effort, some microwave ovens are equipped with a “steam cleaning” mode. Of course, the additional function is reflected in the price of the equipment, but this will ensure the camera’s safety from mechanical damage.

On a note! The electromagnetic waves that the device emits must remain only within the chamber, so it is equipped with doors that prevent the radiation from escaping outside.

Compliance with operating rules

In order for a microwave oven to serve well, it is important to initially take care of the location of the equipment.

Manufacturers' recommendations

• It is not recommended to place the microwave oven close to a wall or any surface! It is important to leave a gap of at least 10 cm to allow hot air to escape through the ventilation grilles.
• Do not place the microwave oven on an uneven surface.
• It is prohibited for other household appliances, for example, a washing machine, refrigerator, electric stove, or heaters, to be located near the microwave oven. All vibrating equipment and units, the walls of which heat up during operation, have a negative effect on microwave ovens.
• It is not recommended to heat food in cylindrical or narrow containers.
• It is better not to cook foods containing casings, such as sausages, eggs, tomatoes.
• It is prohibited to allow the microwave to run idle. This may damage the magnetron.

How to use a microwave correctly

• Use special dishes. Many stores sell special containers and utensils for heating or defrosting food in microwave ovens. Some manufacturers offer cookware included with the purchase. Unlike ordinary kitchen utensils, these containers will not harm your camera.
• It is allowed to use food-grade plastic containers or heat-resistant glass.
• Under no circumstances should you place metal utensils or plates with steel elements, rims or gold designs on the rotating platform.

Cooking Tips

It is important to consider not only the quality and material from which the dishes are made, but also the composition of the dishes. If you cook food in the microwave, it is better to leave it behind the closed door for another 5-10 minutes after turning off the timer.

After this time, the cooking process is truly completed

If you cook food in the microwave, it is better to leave it behind the closed door for another 5-10 minutes after turning off the timer. After this time, the cooking process is truly completed.

It is important to maintain balance, taking into account the weight of the food being heated. It is equally bad for the microwave to overload it and, conversely, to heat very light foods (for example, one egg or one sandwich)

If there is such a need, add one glass of water to a light-weight dish and only then reheat it.

Foods that may explode during heating (tomatoes, eggs) should be reheated covered. Otherwise, you will have to spend a long time and painfully washing the walls of the microwave with dried food residues. Ideally, every time you heat or cook food, it should be covered with a special universal lid, which can be purchased at the store.

The lid must have a ventilation hole.

Vegetables need to be pierced with a fork before cooking - this will allow steam to escape and not accumulate inside the product.

The film should be removed from sausages and sausages before cooking. It is often unsuitable for consumption, and when heated it gives off a pungent, harmful odor.

How to extend the life of your microwave oven

If you carry out wet cleaning of the inner surface of the camera in a timely manner, you will be able to avoid serious problems associated with repairs.

• To remove traces of dried greasy drops or food residues from the coating, you need to take a deep container and pour water into it, add lemon or lime slices. Acid will remove dirt faster. The container is placed in the chamber, the doors are closed and the microwave is turned on for a couple of minutes, turning the control to full power. After the glass fogs up, wait until the water cools down for 15 minutes, then open the doors and wipe off the dirt accumulated during use with a sponge.
• The outside of the glass door can be easily cleaned with a solution of vinegar and water. The washed chamber is wiped with a dry cloth so that no drops remain. You should use a microfiber cloth that is lint-free.
• The outside of hovercraft ovens can be washed with universal household chemicals. Nowadays there are many different gels and powders in stores to keep kitchen equipment clean. However, it is strictly forbidden to use chemicals to remove traces of dirt or grease inside the microwave. The product is applied directly to the sponge. Movements must be careful. Do not allow chemicals to enter the ventilation grille.
• The microwave oven is convenient for disinfecting plastic containers, boards and sponges. For example, to disinfect a container, rub it with a solution of lemon juice or vinegar and place it in a chamber, setting the heating regulator for a couple of minutes. After which the container is rinsed with clean water.

By applying simple rules for operating a microwave in practice, the equipment will last a long time and will be a reliable assistant in the kitchen.

Indesit xwde 961480x

Main parameters:

A powerful washing machine that can load up to 8 kg of dry laundry per wash cycle. It has simple and clear control using a switch-regulator and several buttons. The device's energy consumption class is A, and the spin speed reaches up to 1400 rpm. Front washing machine with drying option. In one cycle it dries about 6 kg of clothes.

There are 16 programs for washing, and 12 for drying. Washing modes: delicate, gentle, wool-fluff, stain removal and others. There is an anti-odor option. Average price: from 41,000 rubles.

INDESIT XWDE 961480X

Advantages:

• power and performance;
• laundry load 9 kg;
• drying function up to 6 kg.

Flaws:

Based on the build quality and internal parts, the service life of INDESIT washing machines made in Italy, Portugal or Poland is up to 10 years. Assembly of devices in China will serve the owners for up to 6 years. But most often washing machines that were assembled in Russia from Chinese spare parts fail.

Which Indesit washing machine did you like?

• INDESIT IWSC 6105 33%, 1 vote 1 vote33%
  1 vote - 33% of all votes
• INDESIT IWSD 6125 33%, 1 vote
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• INDESIT XWA 71283X 33%, 1 vote
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• INDESIT IWUB 4105 0%, 0 votes
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  Read also:  How to change the rubber seal on an Indesit refrigerator yourself
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Microwave oven life

What household appliances cannot a modern housewife do without in her kitchen in pursuit of comfort?
To save time and effort spent daily on cooking, women use little helpers - useful equipment.

The microwave is one of them. For most consumers, useful features such as:

• heating;
• defrosting;
• grill;
• convection mode.

The device brings many benefits and quickly heats food. Moreover, for this you do not need to take out pots, pans, or add oil. In addition, for a quick snack, you can easily prepare yourself a hot and tasty sandwich within one minute.

How much does it cost and where to buy

• from 519,800 sum: Midea microwave, 700 W, volume - 20 liters, defrosting and heating;
• up to 2,177,105 sum: Samsung microwave, 900 W, volume - 28 liters, grill, convection, 6 power levels, automatic cooking, child lock, quick start, quick heating, steam cleaning, odor removal.

• from 668,000 sum: Artel microwave, 700 W, volume - 20 liters, defrosting and heating;
• up to 4,179,000 sum: Panasonic microwave, 1000 W, volume - 27 liters, ceramic coating, grill, convection, automatic cooking, steam cleaning, child protection, backlight.

• from 639,900 sum: Beston microwave, 700 W, volume - 20 liters, backlight, child protection, quick cooking;
• up to 1,255,500: microwave, 1000 W, volume - 25 liters, automatic cooking, automatic heating, automatic defrosting, child lock, backlight.

Microwave oven lifespan

How long can a microwave operate?

Due to various factors, any equipment breaks down and becomes unusable. Therefore, it is very interesting to know what the service life of a microwave oven is and whether it can be extended.

Some manufacturers claim that with proper operation, the service life of the stove can be 6 years or more .

What affects the service life of a microwave oven?

Product quality

In many ways, operation without breakdowns depends on the quality of the manufacturer and the price category. Don't forget that the miser pays twice.

High quality indicators

• Be sure to pay attention to the inner surface of the camera . The best option is ceramic or bioceramic coating . It is quite convenient to use, easy to clean from dirt, safe for health, and will prolong the operation of the device.
• A function as “ steam cleaning will significantly save effort and time . It’s worth paying extra for it, since your camera will remain intact longer from mechanical damage, and you won’t have problems cleaning it.

IMPORTANT! To ensure safety, electromagnetic radiation should never leave the inner chamber. This is quite harmful to human health and promises excessive energy consumption.

Competent operation

An important factor that affects the quality and life of the device is its location .

Below are basic instructions for using kitchen appliances correctly.

Manufacturers recommend:

• Do not install the stove without a gap between the wall and the back surface. This will block the ventilation air flow, and the heating device will quickly deteriorate. The recommended gap should be at least 10 cm.
• Install the unit on a flat, horizontal surface .
• Do not place the microwave next to other household appliances , such as washing machines, dishwashers, refrigerators, electric stoves and various types of heaters and radiators. Vibration and heating techniques will lead to inevitable breakdown and failure of the microwave device.
• Do not use for heating containers with a cylindrical shape and a narrow neck.
• Do not leave a working microwave unattended .
• Do not heat coated foods : eggs, tomatoes, sausages.
• Do not turn on an empty microwave; the magnetron may break.

Which paint to choose?

How does a microwave oven work?

So, how to paint the inside of a microwave oven? It should be noted right away that the paint must meet certain standards: the composition must be non-toxic, withstand high temperatures, and not succumb to aggressive influences.

The following types of paints are perfect for microwave ovens:

Organosilicon. This paint inside the microwave creates a layer that is resistant to many adverse factors. Suitable for restoring metal surfaces. It has a high cost, but at the same time has a certificate of quality.

Electrically conductive. It is used for interior decoration of microwave ovens, but rarely due to its high cost. The paint layer is covered with a zinc film, which protects the surface from damage and damage and completely restores previous damage. Among the most popular products is Zinga paint.

Fire retardant paint for metal. It is most often used if the outer part of the equipment body has peeled off. The inside of the microwave oven is not painted, since the fire-retardant emulsion is not food grade.

Acrylic primer for cars. Completely harmless and inexpensive. It is better to purchase the material in a can - it has less consumption. The coating is durable, high quality and resistant to elevated temperatures.

Microwave ovens need to not only be painted with the chosen paint, but also done correctly. Many people think: “I’ll paint it lightly, filling up areas with obvious defects.” This solution is completely unsuccessful, as it will lead to complete damage to the internal part of the microwave.

On video: how to transform the appearance of a microwave.

How to extend the life of a microwave oven

Use special dishes

To increase time and service life, take special dishes designed specifically for this.

On the modern market there is quite a large selection of cookware that is suitable for housewives for cooking, heating, and defrosting food in a microwave device. They are convenient, practical to use and will not damage the operation of the stove.

Allowed:

• food plastic containers with lids to allow steam to escape;
• heat-resistant glass , closed in the same way.

Forbidden:

• metal objects (plates, mugs);
• dishes with metal and gold rims.

Timely and proper care

The duration of use depends on the form in which the microwave device is contained. Note to the owner! Microwave lifehacks

• To easily clean the inside of the microwave from dried drops of fat and food, take a suitable container, pour water, add a wedge of lime, lemon or orange. Turn on the device for 2 - 3 minutes at full power. As soon as the door glass fogs up, let the solution cool for 15 minutes. without opening the oven. Then we easily wipe off all internal dirt with a sponge.
• The outside of glass can be easily cleaned by mixing water and vinegar in equal proportions (1:1). Then wipe dry with a lint-free cloth, such as microfiber.
• The outer surface of the oven can be washed with universal household detergents specially designed for this purpose. BUT! Do not use them to clean the interior of the appliance. And also apply the product directly to the sponge, and not to the oven itself. This will prevent chemicals from getting into the vents.
• The microwave is very good at disinfecting plastic containers, cutting boards and dish sponges. For example, we rub the surface with a mixture of lemon juice and vinegar, saturate the sponge, then put it in the oven for a few minutes. And things will again become safe for use for a while.

Knowing and using basic rules for operating a microwave oven will extend the reliable service life of your little and faithful kitchen assistant.

Sources:

https://www.microvolna.ru/srok-sluzhby-mikrovolnovoj-pechi.html https://homeasking.com/srok-sluzhby-mikrovolnovoj-pechi/ https://setafi.com/bytovaya-tehnika/mikrovolnovaya-pech /srok-sluzhby-mikrovolnovoj-pechi/

Device [edit | edit code]

Main components of magnetron microwave oven:

• a metal chamber with a metallized door (in which high-frequency radiation is concentrated, for example 2450 MHz), where the heated products are placed;
• transformer - source of high-voltage power supply for the magnetron;
• control and switching circuits;
• direct microwave emitter - magnetron;
• a waveguide for transmitting radiation from the magnetron to the camera;
• auxiliary elements:

• rotating table - necessary for uniform heating of the product from all sides, or a rotating antenna in ovens with a fixed table;
• circuits and circuits that provide control (timer) and safety (mode locking) of the device;
• a fan that cools the magnetron and ventilates the chamber.

Installation details

A lot depends on the location of the appliance in the kitchen. An unfavorable “neighborhood” can significantly shorten his life. Experts do not recommend placing the following appliances next to the microwave oven, below or above: refrigerator, washing machine, dishwasher, stove and heating radiators.

Another undesirable position is close to the kitchen unit. There is a risk of blocking the ventilation holes in the microwave oven body, which can damage it. The minimum distance from the stove body to the furniture walls is 10 cm.

If heating appliances or high-heat household appliances are installed near the microwave oven, this may lead to overheating of important equipment components. Read more about the nuances of location on the page “Where to put a microwave in the kitchen.”

How many years can you use a microwave without health concerns?

Hello dear blog readers! Of all these kitchen appliances, the earliest (after the refrigerator) we had a microwave oven.

Everyone immediately liked this miracle of technology. But what about it? You can warm up food in it, cook food under the grill, and defrost meat.

Nowadays, it’s rare that an owner can do without it. And even most catering establishments cannot do without this miracle of technology. But many people wonder: is a microwave oven harmful to health or not?

I am not strong in physics and will not describe the technical characteristics of the device here, but I know that the operating factor is microwaves from the magnetron, which move at the speed of light, causing strong vibration of the intracellular fluid, which leads to heating of food.

Troubleshooting

To find out why the oven is not working, you need to unplug it and remove the lid.

1. The inside is carefully inspected for melting, burning, or unsoldered wires. The condition of the high-voltage fuse is visible to the naked eye. The fuse with the broken thread is replaced with a intact one, and if during testing of the stove it blows again, the search continues.
2. For further diagnostics, you will need a multimeter or tester. The test begins with a printed circuit board on which the magnetron power supply circuit is assembled, consisting of resistors, diodes, capacitors, and varistors. Parts can be called locally, without soldering.
3. After that, the thermal fuse is checked with a tester. With normal contacts, the resistance is zero.
4. Testing a high-voltage capacitor with a multimeter is only possible for breakdown. If the device shows a short circuit, the part is replaced. Since some types of capacitors have built-in resistors for discharging, a working capacitor will show a resistance of 1 MOhm, instead of infinity.
5. The tester is not suitable for testing a high-voltage diode because it has a small resistance measurement range. To correctly assess the condition of the diode, you will need a megohmmeter with a scale of up to 200 MOhm. But it is unlikely to be found in a home workshop. Therefore, a diagnostic method is used using a two-wire home electrical network with mandatory compliance with safety rules. One terminal of the diode is connected to the network wire. A multimeter is connected between the second and the other conductor of the network to measure DC voltage in the range up to 250 V. If the diode is intact, the device will show the presence of rectified voltage. In the event of a breakdown or break, the arrow will remain at zero. Any high-voltage diode with an operating voltage of 5 kV and a current of 0.7 A is suitable for replacement.
6. Checking the magnetron begins with testing the filament. To do this, the resistance between its terminals is measured, which for a working filament is several ohms. If the tester shows infinity, this does not mean that the thread is burned out. To be completely sure, after removing the cover, the integrity of the connections of the chokes with the magnetron terminals is checked.
7. Some craftsmen recommend removing the throttles. Under no circumstances should this be done, as the operating mode of the transformer is disrupted, which could result in a fire.
8. After measuring the resistance between the terminals and the housing, you can judge the condition of the feed-through capacitors. At infinity - everything is fine, at zero - they are broken, and if there is resistance - with current leakage. Faulty capacitors are cut off with wire cutters and new ones with a capacity of at least 2000 pF are soldered in their place.
9. If all the elements are intact, but the magnetron radiation is not enough to fully heat the food, it means that the cathode has lost emission. This problem can only be corrected by replacement. When replacing capacitors, you cannot use conventional solder; refractory grades or a compact resistance welding machine are required.

It will be interesting➡ How to check the zener diode for performance

The manufacturer matters

Each person has his own opinion on this matter. Some consumers are confident that any automatic washing machine lasts 7–10 years. The brand and manufacturer do not matter. Others directly link the shelf life and operating time of the device to the brand.

• Miele. The most reliable units made in Germany. They can boast of reliability and durability. A long warranty period is their main trump card. With proper and careful use they last more than 20 years. The operating time declared by the manufacturer is 10 thousand hours. They break extremely rarely. The main disadvantage is the high price. Miele washing machines are premium products.
• "Asko", "Electrolux", AEG. Very reliable devices made in Austria or Switzerland. The average period of trouble-free operation is 12–20 years. They cost an order of magnitude cheaper than the Miele ones described above.
• "Bosch", Siemens, Hansa. Third place in the ranking. Devices from France and Germany with average performance from 10 to 15 years. Complies with European quality standards.
• LG, Ariston, Samsung, Ardo, Indesit. Units assembled in Korea and Italy, designed to operate for 8–10 years.
• "Beko", LG, "Samsung" made in China. They operate for no more than 5–6 years without breakdowns or problems.
• “Zanussi”, “Kandy”, “Vestel” are the most short-lived devices. Place of assembly - Russia. Up to 50% of users turn to washing machine repair services within the first 3 years after purchase. Sometimes, when assembling Russian-made SMAs, branded parts are used. In this case, the operating time of the machines is longer - up to 5 years.