Oven electrolux DIY repair

In detail: oven electrolux do-it-yourself repair from a real master for the site my.housecope.com.

Service center "Electrolux Garant Service" offers professional repair of Electrolux ovens at home. Departure of the master in Moscow and the region.

Free diagnostics (during repair)
Low prices for repairs and maintenance
Departure of the brigade within half an hour from the moment of ordering
Guaranteed repair of all types of ovens: including those combined with a hob, built-in ovens, gas ovens, etc.
Only original spare parts from the manufacturer (for any model)
Replacement of body parts ("handles", door locks, etc.)
Guarantee for all types of work up to 12 months

Our company is guaranteed to solve any problems with Electrolux and AEG ovens, both typical and non-standard:

Does not turn on: replacement of the thermostat or temperature sensor, repair (replacement) of electric ignition, cleaning (replacement) of the touch panel, repair (replacement) of the control unit (controller)
It turns off spontaneously: replacement of TEN, replacement (cleaning) of the gas control mechanism (for gas ovens), replacement of the temperature sensor
Heating control does not work: cleaning the rotary selector contacts (replacement), replacing the temperature controller, cleaning the burner nozzles (for gas ovens), replacing the valve
No backlight: replacement of "bulbs", repair of backlight power circuits
Does not heat up (heats up weakly): replacement of the fan, replacement of one or both TEN's, replacement of the thermostat
Convection or cooling fan does not work: replace fan and / or convection heater
Replacement of control valves, seals

Call or request a call back and we will fix your oven today!

Video (click to play).

Household appliances Electrolux (electric ovens Electrolux, for example), in particular an oven, is always of high quality, functionality, practicality, efficiency and convenience. However, in case of improper installation or its operation, the consumer will sooner or later resort to such a service as the repair of the Electrolux oven.

If you, being the proud owner of an Electrolux oven, are worried about such a statement, we hasten to reassure you - restoration of oven appliances is possible in most cases.

Just trust the professional service center technicians. We will only add that the sooner you seek help, the faster and more effective the result will be. An example of this is the renovation of an independent electric oven.

Any household appliances can fail sooner or later, what can we say about modern ovens, which are electronically controlled and stuffed with many functions. Despite all the benefits for the consumer, they complicate the entire design of the oven.

But, regardless of its device, any oven is equipped with several basic elements that can fail.

This unlucky number includes heating elements (2 - 4 pieces) and a fan, the location of which is on the back wall of the appliance, like that of the Kaiser oven. Therefore, the repair of wind devices is usually associated with them.

The main problem with electric ovens is the failure of the switches, which makes it impossible to use the oven. The solution to this problem is to simply replace these parts.

If the culprit turns out to be a burned-out heating coil (a common problem with small electric ovens), then there is only one way out - to remove and replace it with the same spare parts for the Electrolux oven.

Another culprit in calling the master is the fan that sits inside the oven.The solution to this problem is usually limited to a simple check of his contacts.

Common tasks associated with the repair of electrolux ovens are as follows:

replacement of buttons or control knobs (a frequent need for a compact microwave oven);
replacement or repair of an electrical circuit;
door sealing (outer or inner glass), often performed for built-in Electrolux ovens.

Service centers that service household appliances have everything you need for a quick and high-quality repair of the oven.

Having received a request for a malfunction, the service center sends a specialist within the agreed time frame to conduct an inspection and establish a conclusion on the need to eliminate a particular malfunction.

In cases where it becomes necessary to replace spare parts for Electrolux ovens, the customer of repair services can be sure of receiving a suitable option, since service centers usually install spare parts from the oven manufacturers and give them a guarantee. This is an example of all Electrolux ovens.
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As for the price for the repair of Electrolux ovens, it is set based on the complexity of the repair, the provision of additional services and the remoteness of a specific address.

Simple repairs without disassembling the product and finding a defect - about $ 20, for gas built-in ovens, all $ 30;
repair of medium complexity - 30 USD e .;
complex repairs - 40 USD e. (in case the ovens from Bosch are broken);
full renovation (disassembly, cleaning, repair) - $ 50 e .;
additional services (disassembling furniture for access) - about $ 10 e .;
departure of the master within the city - 10 USD e. (for dependent and independent ovens 15 cu);

In addition to maintenance and repair, the service center must provide a guarantee for all work performed, confirming the quality and professionalism of its craftsmen.

Modern ovens break down quite rarely, but problems in their work are not excluded. The difficulty is that the structure and all its elements do not provide for outside interference. Repairing ovens at home is usually done by replacing components and is carried out in most cases by an experienced craftsman. However, in some cases, breakdowns can be repaired by yourself.

If you decide to try to repair the oven with your own hands, then it is worth knowing the situations when this should not be done. There is definitely no need to open the case if:

the electric oven is under warranty;
the oven information panel shows that the problem is a complex component breakage;
you know nothing about electrical engineering.

During the warranty period, all repairs are made is free... Except in the following cases:

There are traces of attempts to open the structure - worn out or damaged heads of bolts, self-tapping screws, removed seals.
Insects or rodents have entered the oven, causing a short circuit or mechanical damage to components and wires.
The connection was made incorrectly, without following the manufacturer's recommendations.
Damage to electronic components occurred due to a change in voltage parameters, as a result of which it went beyond the critical limits specified by the manufacturer.

In all cases where the warranty is canceled, repairs will have to be paid in full... The same situation occurs when the warranty service expires.

Before grabbing the multimeter, putting on gloves, and pulling out the screwdriver set, it makes sense to check the power supply to the oven. It is worth looking for answers to the following questions:

Is food served?
Is the power cable OK?
Is there good contact between socket and plug?
Are there traces of carbon deposits, melting on the plug and socket?
Is the fuse for the plug or oven broken?
Is the power wire in perfect condition, is there any fractures, scuffs or melting on it?

Checking the fuse in the plug

If the above problems do not exist, and the oven still does not start, it is worth checking the device for standard faults.

Consider typical malfunctions, methods for diagnosing them and the necessary repair of electric ovens at home. As mentioned above, most of the troubleshooting work involves replacing assemblies and parts.

If the electronic control unit of the oven suddenly fails, then be prepared to pay a tidy sum for repairs. In most cases, you do not need to do anything to identify this problem. Modern oven models are equipped with self-test system: The electronics will send a signal by itself by displaying an error code.

Do-it-yourself repair of the control module is possible only if you have experience and knowledge in electronic technology.

The parts are replaceable and can be ordered from the manufacturer's catalog. For users who prefer to get a baked chicken out of the oven, rather than electronic boards, it is better to call a qualified technician.

If this is not possible, or the qualifications of the service personnel do not inspire confidence, you can order a control unit wholly... This can be done on the manufacturer's official website or in a specialized online store. It is usually not difficult to install a board in place of a burned-out one.

Most modern models equipped with mechanical regulators do not provide for disassembly and cleaning. Primary repair consists in removing contamination from the outside, removing contact leads and cleaning the terminal plates on the regulator or timer. If this does not help or does not help fully, the part should be replaced.

Some older models allow cleaning of mechanical regulators, after which the latter work perfectly, without any complaints. It is necessary to carry out maintenance using non-aggressive solvents, for example, white spirit or a weak solution of ammonia. It is necessary to clean off oxides from contact groups with a very fine sandpaper; to eliminate traces of corrosion, special primers are used.

Oven mode switch

This is a part that is often changed, including when the gas ovens are being repaired. No interference in the design of the device is provided. The entire element is replaced.

Air blower and grill fans no longer create a good air flow over time. If the engine is running, the impeller should be cleaned. Dust constantly accumulates on it, while grease and oil are on the blowing fans.After a certain period of operation, it is imperative to disassemble the oven and lubricate the engine, if this is provided for by its design.In the event of a blower failure, rewinding or other repairs are simply unprofitable - the entire unit is replaced. Do the same with the grill motor. It is housed in a non-separable housing together with a gearbox.The heating elements of the oven are constantly working in critical mode. Determining whether the heating element works is quite simple. To do this, turn on the oven to the appropriate heating mode and check the temperature by touching your hand in a kitchen mitten. The method works, however, for a more accurate result, it is better apply a pyrometer... The device will clearly show the uniformity of heating over the area, indicate the maximum temperature in a given mode. This will make it possible to diagnose the "burnt" heating element not only completely, but also partially.Heaters are replaced after disassembling the case; it is not difficult to buy the corresponding part. The specific marking can be found after removing the heating element or according to the reference data of your electric oven model.The last three elements, which change without hesitation or hesitation, are the backlight, thermal fuses and a touchscreen film panel. All of these parts cannot be cleaned or repaired.The oven electronics will inform about the operation of the thermal fuse in emergency mode, and problems in the operation of the film touch panel are diagnosed by the lack of reaction, the need to exert excess pressure, and accidental operations. The backlight lamp can be replaced independently, but to install new thermal fuses or a film sensor, it is better to contact the master.

An oven in an electric stove, unfortunately, can also fail, like any other household electrical appliance.

And as in the case of a breakdown of any other electrical appliance, you need to contact a reliable repair service.

Experienced and certified craftsmen VseRemont24 have extensive experience with electric stoves, they can repair the oven of any model and brand.

Order an electric oven repair service at VseRemont24! The problem with your oven will be resolved within an hour or two on the day of treatment.

The first and one of the most common causes of an electric oven malfunction is problems with the internal electrics of the electric stove. It will be necessary to visually diagnose the internal wiring and the terminal block of the plate, as well as to ring the internal and conducting circuits (wiring, socket, switchboard) with a special device.

If everything is okay with the electrician, most likely the heating element of the oven - heating element burned out... The master will disassemble the stove and the heating element will ring with a special device. If there is no resistance or less than 10 ohms, the heating element will replaced by to a new one, original for the electric stove model.

The tumbler broketurning on the oven - switch. This is the third reason why the oven cannot be turned on. A toggle switch is required replace on new.

The fourth reason is defective thermostat. This is a device that reads the temperature in the oven and ensures that it is maintained at the proper level. In the event of a breakdown, the oven either overheats or does not turn on at all, since the protection is triggered (in more modern models). The thermostat is also subject to replacing on new.

Out of order control module - the “brain” of the electric stove, which ensures the operation of the oven. This is the fifth reason why the oven may not work, or rather the oven remains working, the electric stove itself has broken. It is the control module that registers the position of the switch, sees the signal from the thermostat, and starts the heating element. In most cases, the control module replaced master for a new, "native" and certified.

Upon arrival at your house, the master will first diagnose the stove and its oven, and only then will he announce to you the list of necessary repairs and their price.

For all types of work performed and installed parts of the electric oven, you will be provided with a guarantee.

VseRemont24 masters work quickly, carefully, responsibly. Choosing VseRemont24, you guarantee yourself a professionally carried out repair of equipment and its correct operation after it!

DIY oven repair

Mode switch.
Temperature regulator.
Upper ten.
Round ten.
Lower ten.
Internal glass.
Ventilation holes (cooling).
Upper grill.
Door handle.
Inner body.
Electronic control module.
Ventilation holes (cooling).
Run-time timer scoreboard.
Cooling fan.
Convection fan (side view).

DIY oven repair. The latest models of ovens are equipped with an electronic control module.

The task of the control module is to control the operating modes of the functional units of the oven, according to the cooking program set by the user.

The cooking mode is selected.
The required cooking temperature is set.
The total cooking time interval is selected.
The oven door closes and the process starts.

The electronic control module executes the instructions according to the selected program. The processor compares the readings of the sensors, and, according to the readings of the sensors, controls the operation of the peripheral devices of the oven (electric oven).

At the end of the program, when the program is completed, the control module will sound or beep to inform you that the cooking process is complete. How to independently repair household appliances with your own hands.

The choice of modes or cooking programs, on some models of ovens, is set using the touch control panel, on others using program selectors.

But the essence does not change from this. An image of the electronic control module for the oven can be seen in Fig. 4.

Modules may differ in appearance, dimensions, depending on the manufacturer of the oven. For example, the electronic control module (control board) may look like the image below:

example of the image of the control module.

The upper ten in fig 4, consists of two tens: inner and outer.

The inner ten is switched on if you have selected the "Grill" cooking mode.

In Figure 1, the top ten is labeled 3.

The lower shade of rice 5 is usually located under the lower casing of the inner case of the oven (electric oven). In Figure 1, the lower ten is designated at number 5. Genuine parts for the electric oven.

Round ten fig 6, located under the shroud of the rear of the inner case in the center. In Figure 1, the round ten is numbered 4.

The round ten is switched on in cooking modes in which convection is provided, and usually in tandem with a convection fan, rice 2 position 15.

In order to successfully repair an electric oven or oven on your own, it is easy to find and fix all possible breakdowns. Purchase full main course: Oven repair.

Book: how to properly connect an electric boiler.
Book: electric stoves, hobs, electric ovens - typical malfunctions.
Video lessons: How to repair an oven.

Built-in electric oven Hansa BOEI64030077
We have been using this oven for about 5 years. True, for a long time during cooking there was a smell of burnt plastic or something else, as when turning on a new technique. In general, everything was fine, but just the other day it stopped turning on at all, only the clock is on. After reading the information on the Internet, I decided to inspect the operating mode switch myself, since it is not difficult to get to the control unit. And what did I see? On the first contact (two red wires), a malfunction of the contact group occurred as a result of overheating, which is visible by a change in the color of the plastic, i.e., blackening. After removing the switch, disassembling the burnt group, I was very surprised to see that the power contacts were not soldered, but assembled by means of a clamp, therefore, I think they did not contact very well and heated up more and more over time. Then they weakened so much that the movable part of the contact group simply jumped off and the oven stopped turning on. I cleaned the contacts, soldered the assembly part ("daddy"), inserted it into the socket and mechanically secured it with a bracket, drilling two 1mm holes. In the future, I want to fix the contact with epoxy glue, since it is not afraid of temperature. I assembled the switch, put it in place and it worked.

I am an electrician by profession. In my free time I am engaged in the repair of household appliances with friends, relatives, and friends. Now household appliances have become more modern, new technologies have been introduced. I have carefully studied these training materials, copied, printed. They help me a lot in my work! I also ordered some useful books on home appliance repair.

When an oven appeared in our house, I thought it was nothing special. Confused only by the touch panel, I am not particularly versed in electronics. But as always, what you are afraid of happens. The touchpad stopped responding to pressure.Only after looking at this material, I decided to disassemble the oven. Step by step I got to the control module and cleaned it. Then I checked it without glass and with glass, everything worked. Without these materials, I hardly decided on such an adventure.

A permanently installed electric stove is one of the most powerful household appliances that are commonly used in ordinary household conditions. In addition to the hob (burners), it is usually equipped with an oven (oven). Due to improper operation of the oven or for other objective reasons, its component parts are not insured against breakdowns, including situations when the oven does not work in the electric stove. And since a separate niche in the kitchen equipment market is occupied by electric ovens in gas stoves or self-contained ovens, which are produced by most well-known manufacturers (DARINA, Beko, Gorenje, etc.), this issue is relevant for users of any electric ovens.

The purpose and scheme of operation of electric ovens are similar to classic gas ovens. Electrical appliances are also designed for cooking (baking, roasting, grilling). The standard equipment includes baking trays, a tray, racks and guides to ensure safety when removing dishes from the cabinet.

Usually, in electric ovens, two tubular heating elements (heating elements) are installed - upper and lower (for example, in electric stoves of the Lysva series). This is necessary to achieve the optimum temperature, which contributes to an even cooking of food. You can use both heating elements, and one of them, depending on the baking conditions required by the recipe. However, there are also universal ovens equipped with three or four heaters.

They make heating elements made of high-strength alloy steel, which is associated with harsh operating conditions (high temperature). Also, heavy-duty material is required for heaters in ovens where the "Grill" function is implemented, as they are often regularly cleaned with strong chemical agents used to remove grease and carbon deposits.

Heating element for an electric oven is not a unified elementthat fits all models. Each manufacturer (Indesit, Whirlpool, Electrolux, etc.) develops original heater designs, trying to achieve optimal cooking modes for various products (heating, circulation and distribution of hot air inside the working volume of the oven). In addition, many well-known manufacturers equip electric ovens with infrared heaters that turn on in the "Grill" mode (model Hansa fccw5).

There are a large number of heating elements, which are different from each other:

configuration and dimensions;
power;
execution option (single or double-circuit);
purpose (grill, top, side, bottom, etc.).

The upper heating elements are especially diverse. The design of the bottom heaters is much simpler. As a rule, they are single-circuit and have a simple configuration.

The electric oven has a fairly simple design. In this regard, the list of malfunctions encountered during its operation is small, and they appear such symptoms:

the oven does not turn on, the backlight and indicators do not work;
the backlight and indicators turn on, but the heating is insufficient;
the oven does not heat up, although the indicators and lights are working;
spontaneous shutdown of heaters.

The appearance of malfunctions can be caused by various reasons, but most often they are caused by unfavorable operating conditions of the electric oven (high temperature, contamination of the working surfaces during cooking, high current, etc.), which contributes to wear and tear of switching devices, drying out and damage insulation of electrical wires and other breakdowns. The presence of certain symptoms helps to determine the malfunction and eliminate its cause in the shortest possible time.

A kitchen electric stove equipped with an oven belongs to the category household electrical appliances of increased danger. When working with such devices, you must follow the safety rules to avoid electric shock.

Important! To eliminate the simplest malfunctions that occurred during the operation of the electric stove, you must have certain skills in working with the tool used during electrical installation and locksmith work. When starting to repair the oven, you must disconnect it from the supply voltage.

If, when turned on, the electric oven does not show signs of life (the backlight and indicators also do not work), start troubleshooting with checking the power outlet... The electric stove, and therefore the oven, can be connected to both single-phase and three-phase networks, depending on the model.

In the presence of three-phase network the voltage is measured between each phase and the working neutral wire (

220 V), as well as between all phases (

380 V). If the electric stove is connected to single-phase network, then the measured voltage between the phase and the neutral wire should be

After making sure that there is voltage in the power outlet, similar measurements are carried out on input terminal block of the electric stove... To do this, plug the power cord into an outlet. If there is no voltage at the input terminals, the cause of the malfunction is the power cord, which must be replaced. Next, visually inspect the condition of the terminals and contact connections. Electrical wires are docked using contact connectors, to which they are attached by crimping (crimping). In this case, the connectors must be firmly attached to the terminals. In the presence of backlash, contact is broken, the surface of the parts is oxidized, and the connection eventually disappears. Having found defects, they are eliminated.

Advice! When restoring contacts and replacing wires, it is prohibited to use soldering and insulate the joints with electrical tape. Under the influence of high temperature, such compounds are rapidly destroyed.

In cases where the oven lighting and all indicators are functioning, and the cabinet itself has stopped working (heating), the cause of the malfunction is most often the failure of the heating elements. They are checked using a tester (multimeter) by ringing. If the resistance measured at the terminals of the heaters is in the range from 10 to 100 ohms, then this indicates their integrity and serviceability. If the tester detects an open circuit or the resistance of the heating element tends to zero (short circuit), then such the heater must be replaced. It is necessary to change a burnt-out part only for a completely similar one both in technical characteristics and in design.

If during cooking it is not possible to achieve the required heating temperature, and the backlit indicators work properly, then cause this may be faulty:

fan;
thermostat;
mode switch.

In addition, it is also possible simpler defectsfor example, a loose door or a broken seal. Such malfunctions are detected by external inspection, and are eliminated quite easily by replacing the seal and / or adjusting the latches (latches) and door stops.

Thermostat and mode switch - these are quite complex electromechanical devices, which most often cannot be repaired. You can make sure that they are working properly by ringing the contacts with a tester. If at the same time burnt joints are found, then they are smoothed to a shine with fine-grained emery paper. Burnt wires also need to be replaced. When ringing the mode switch, you must check the wiring diagram. The serviceability of the thermostat is checked in the same way. In this case, in a cold state, its contacts must be closed.

Non-working fan must be disassembled and inspected carefully. If a breakdown of the bearings is found, then the entire device is changed to a similar one. But sometimes the breakdown can be eliminated by simply lubricating the rubbing parts.

The operation of heating elements installed in the oven of an electric stove (Ariston or other brands) is controlled by a thermostat (thermostat). Structurally, it can be:

mechanical (as in the "Dream" electric ovens);
electromechanical;
electronic.

If the oven turns off spontaneously during cooking, then there can be only one reason for this - failure of the thermostat... Regardless of the type of thermostat, it is replaced with a new identical part.

Long-term trouble-free operation of the electric oven is possible only if the requirements set out in the instructions for use of the products are observed, and taking good care of her after every cooking... In this case, it is recommended to wash the oven chamber with warm water with the addition of a small amount of dishwashing liquid. At the end of the oven treatment, the inner surfaces must be wiped dry.

Important! When cleaning the glass surfaces of the electric oven, do not use cleaning agents containing abrasive additives.

Message transfor »24 Jun 2013 16:14 Message bolt »25 Jun 2013 10:11I have already tried everything. At the moment, the clock is working and everything that is connected with the clock. When you turn the temperature knob, something clicks, also with the other knob, but the bulbs do not light up and the gas does not light up.
Maybe there is some kind of RESET?
What can it be and how can it be cured?Safety thermostat
To prevent excessive
overheating oven is equipped with
safety thermostat,
triggered in case
malfunction of the main thermostat. V
In this case, the power supply
interrupted: do not try
eliminate yourself
malfunction, but contact
authorized service center. Message bolt 09 Jul 2013 00:10Did you really help anyone?
Or is it a type of advertisement for the Service Center in Moscow.
I had to call the master and he immediately found the cause of XXXX. It's all about the safety thermostat. He pressed it and everything worked.
1) Unscrew the oven itself (in what it is installed) and pull it out a little.
2) Unscrew the cover from the top of the oven (5 screws)
3) And in the middle of this whole structure, press the small button of the thermal relay
4) You can spin everything and bake the cakes
5) Who did not help to call the master.
Thanks to everyone who helped. Image - Oven electrolux DIY repair

For many years, ovens have occupied one of the main roles among all the modern variety of household appliances. Most housewives would never think of cooking without an oven. And today, manufacturers of household appliances are constantly improving ovens, endowing them with automatic control and all kinds of convenient and necessary functions. Electrolux is not far behind in this regard, ovens from which make an impression on any housewife. They are both economical and practical, and convenient, and functional, but if installed and used incorrectly. repair of ovens Electrolux will be inevitable. Although the restoration of electrolux ovens is possible in most cases. It is enough to trust the highly professional craftsmen of our company.

Any household appliances break down. And it happens anyway, sooner or later. And ovens are no exception here, especially since modern technology is distinguished by electronic control and multifunctionality, which significantly complicates the entire design of the oven. But any oven, regardless of its device, has several basic elements. These are heating elements in the amount of two or four pieces, as well as a fan located on the back of the equipment. AND repair of heating elements of the Electrolux oven most often associated with these elements. So, if at least one of all available heating elements breaks down, then the heat supply in the oven is seriously disrupted, which naturally affects the quality of the cooked food. Replacing the heating element in the Electrolux oven if it breaks down is necessary. But today there are still difficulties in the selection of heating elements.Therefore, it is best to seek help from the professionals of our company. In addition to professional craftsmen who will quickly fix any breakdown in the oven, our company will provide heating elements for any oven model.

Another common problem with ovens is that the fan in the Electrolux oven needs to be repaired... It breaks down and stops rotating, blocking the cooling system, which is not permissible when using ovens. Our specialists, who have extensive experience working with ovens of this brand, can fix this problem. It is unlikely that it will be possible to fix this breakdown on your own, since there are some nuances concerning the entire rotating fan mechanism. In this case, replacement may be required both for the fan itself and for the entire mechanism. The specialists of our company will quickly eliminate this breakdown, since we have all the spare parts for the electrolux ovens. Moreover, when repairing Electrolux ovens, our company gives a guarantee for all work performed, which speaks of the quality of the repair and the professionalism of our specialists.

Telephones for communication:

Operator: 8 (495) 506 81 52

Master: 8 (903) 297 35 57

Didn't get through?

8 (909) 240 90 51

127224 Moscow

st. Severodvinskaya 13

Electrolux oven repair

These kitchen cabinets will fit and blend in with any modern kitchen decor. Multifunctional baking modes are an undeniable competitive advantage. Ability to select temperatures on the built-in display by simply pressing the sensor. Built-in sensor programs developed by the programmers of the Electrolux concern themselves will select the appropriate mode for baking dishes. These gas or electric cabinets are for true lovers of baking and frying, so choosing the right model should be taken seriously. We cannot help with advice on choosing an oven, but we can perform high-quality and timely refurbishment of Electrolux ovens.

What to do if the oven stops turning on. The touch control program for the oven of such a famous and popular oven from Scandinavia Electrolux does not work. Initially, you need to determine the reason. One of the first reasons - a voltage drop in the network disables the modular device of the Electrolux oven, but for this, check the degree of damage to the fuse, and then just grab the electronic device. As you can see, it is problematic to fix the malfunction yourself, so contact us for help.

Our craftsmen repair all kitchen appliances for cooking. Repair of the Electrolux oven can be carried out together with the repair of the Electrolux hob, which is not only convenient, but also significantly saves your money.

We investigate the Electrolux oven by phone, so the cost of this service for you is

Control systems based on microprocessor technology are currently used in all categories of large household appliances. Ovens are no exception in this matter. In this article, the author examines the “Samsung BF641FST” oven control system. A description of the elements of the control board, error codes and methods of their elimination are given.

Design features and description of the electrical circuit

The electric oven “Samsung BF641FST” has an electronic control with control over the functions performed. The only exceptions are the function selector and safety thermostats, which are electromechanical devices. The cooking time and temperature are set using an encoder and a variable resistor, respectively. The oven cabinet itself has an almost standard design.

The heating system includes four heating elements: a convection heater (heating element with a power of 1700 W), a double grill (1600 and 700 W) and a lower heater (600 W). The heaters are switched using a function selector and an electromagnetic relay located on the control board. For additional cooling of external surfaces, the electric oven has a special fan located on the top cover of the cabinet.The oven wiring diagram is shown in Fig. one.

Rice. 1. Wiring diagram of the Samsung BF641FST oven, where a) function selector, control board; b) external components of the control board - heating elements, fan, etc.

The schematic diagram of the control board is shown in Fig. 2.

Rice. 2. Schematic diagram of the control board of the "Samsung BF641FST" oven

Several functional units can be distinguished on the control board (see Fig. 3).

Rice. 3. External view of the oven control board

Node 1 on the control board is the power supply (PS). It is made according to the AC / DC converter circuit based on the LNK304P controller of the LinkSwitch-TN family manufactured by POWER Integrations (IC101 in Fig. 2). The use of this microcircuit made it possible to exclude a pulse transformer from the IP design (a choke was used instead). The source generates voltages of 12 and 5 V. A voltage of 5 V is generated from 12 V using an integrated stabilizer 78L05 IC102 (Fig. 2). The LNK304P microcircuit is used as part of the power supply unit in a standard connection. Its block diagram is shown in Fig. 4. Due to the simplicity of the IP scheme, its description is not given in this article.

Rice. 4. Block diagram of the LNK304 microcircuit

It should be noted that in the new version of the control board (Version 01), a standby circuit with optocoupler isolation is introduced into the power supply (the elements of this circuit are not shown in the figures). This circuit is controlled from a pin. 6 microcontroller (MK) IC103 through an additional key on the TR107 transistor. The phototransistor of the PC101 optocoupler is connected to the pin. 3 (collector) and 4 (emitter) of the IP controller IC101.

Node 2 in Fig. 3 - board power connector and grill sensor connection contact, node 3 - key display control transistors, node 4 - temperature sensor connector and node 5 - elements of the initial reset circuit (RESET) of the MC.

To simplify the diagnosis of the executive elements of the oven, the table shows their electrical resistance.

Table. Electrical resistance of the executive elements of the Samsung BF641FST oven

Convection Fan Motor

Cooling fan motor

Let us dwell in more detail on the schematic diagram of the control board of the “Samsung BF641FST” oven. The following main nodes can be distinguished in it (see Fig. 2):

1. MK (IC103) type TMP89FH42UG family TLCS870 / C1 manufactured by TOSHIBA. It is made on the basis of an 8-bit core and has a ROM with a volume of 16384 bits (Flash memory) and 2048 bits of RAM. In addition, it contains 40 lines of universal ports (input / output), several timers, ADC, serial interfaces, etc. The microcircuit is made in the LQF44P package.

2. Power supply unit based on IC101 microcircuit of LNK304P type.

3. The circuit for the formation of the initial reset signal MK, made on the IC104 (7033P) microcircuit.

4. LED indicator DSP101.

5. Encoder ECD401 TIME SELECT (sets cooking time) and potentiometer VR401 TEMP SELECT (temperature regulator).

6. Power control circuits (POWER SENS), temperature sensor (GRILL SENS, TEMP CONTROL), RY201 relay control, etc.

In the new version of the control board (Version 01), in addition to the power supply, the relay control circuit has been changed (this diagram is not shown) RELAY CONTROL - several transistor switches and two additional relays have been added in the convection and cooling fan control circuits.

System error messages

In the event of various malfunctions of the oven, the electronic system fixes these defects and generates the corresponding error codes. We will list these errors, as well as consider the reasons for their occurrence and how to eliminate such malfunctions.

This error can appear due to a break in the temperature sensor or connecting wires, poor contact in the sensor connector on the board, as well as due to a failure / malfunction of the MC. In this case, the named elements should be checked sequentially. If the defective element has not been identified, the control board must be replaced.

This error may appear due to a short circuit of the temperature sensor or its connecting wires, a short circuit in the sensor connector on the board, or an MC failure / malfunction. In this case, you should consistently check the named elements. If the defective element has not been identified, the control board must be replaced. This error may appear if the ambient temperature is -5 ° C or lower.

The operating time of the oven at a certain temperature inside the cabinet is limited by software. This function has a protective nature to prevent overheating or fire. So, for example, this error will appear if the oven has been operating at a temperature of 100 ° C for more than 16 hours.

At 225 ° C, the error will appear after 4 hours of continuous operation. In some cases, the manufacturer does not exclude the appearance of this error with software failures in the operation of the MC. Usually the error is eliminated by disconnecting the oven from the power supply. If the temperature-time parameters are normal and the reset does not have the desired effect, then the control board should be replaced.

This error is indicated if within a certain time the temperature in the oven has not reached the set value. The reason for this error may be associated with an open circuit in the heating element circuit, a defect in the electromagnetic relay circuit, a poor contact in the temperature sensor circuit, or a software failure of the MC. If the defective element has not been identified, the control board needs to be replaced.

This error occurs when the temperature in the oven exceeds 320 ° C due to the failure of the temperature sensor or software malfunction of the MC, that is, uncontrolled heating occurs. In this case, it is necessary to check the temperature control sensor circuits or replace the control board.

Checking the functionality of the control board elements

As practice shows, the most common malfunctions are defects in thermostats and control boards. A faulty thermostat is diagnosed using a conventional multimeter. Defects associated with the control board are usually reduced to a malfunction of the power supply or possible malfunctions in the operation of the MC. To check the efficiency of the MT, its output voltages of 5 and 12 V are monitored at points 1 and 2, shown in Fig. 5 or directly on the terminals of the voltage regulator IC102.

Rice. 5. Location of test points for checking the supply voltages of the MT

If the MT output voltages are normal, it is necessary to carefully inspect the quality of the soldered connections of the MK terminals, check the performance of the XTL101 quartz resonator using an oscilloscope. Cases have been recorded when the cause of failures in the operation of the MC was the IC104 initial reset signal generation microcircuit. In cases where no malfunction has been identified, the control board should be replaced.

We remind you that the power and control circuits on the control board are not galvanically isolated from the mains. Therefore, when carrying out repair and maintenance work on the oven, the necessary precautions must be taken.

Gleb / 10/18/2018 - 12:14
Good day! Tell me, do you accidentally have an electrical circuit board samsung BFN1351T. no where I can not ((I really need to find!
Andrey / 10/18/2018 - 10:33
How to glue the touch panel to the glass of the Samsung BQ2D7G242 oven? new glass was purchased, according to the code.
Alexander / 10/12/2018 - 10:48
At a temperature above 150, it shows (-). The potentiometer, which sets the temperature, is out of order. Maybe you can tell what type of this potentiometer and where to buy it? His nominal value is 10 kOhm. I can’t find this anywhere. I do not live on territory of Russia
victor / 09/29/2018 - 16:35
Good afternoon. Help advice blinking indication 8888 does not react to anything.
Natalia / 09/27/2018 - 08:14
The display shows test, what does this mean and what to do? Thank you.
alexander / 09/18/2018 - 12:53
I have error e-083 what to do
Vasily / 07.21.2018 - 14:37
Hello. The oven does not turn on at all, the display does not turn on, does not heat up, etc. What to do. Thank you.
andrey / 05/07/2018 - 17:46
Hello. I have a problem the lower heating element does not work. I changed the places of the temperature sensors of the upper and lower heating element, nothing has changed. Samsung BF 3N3T013 oven. Can someone tell me what the problem is?
Yuri / 04/27/2018 - 10:02
Hello. 1 jumper has ceased to light on the display. Can this be fixed, if yes, how? Or a replacement board?
Gulvira / 15.01.2018 - 18:17
Found by "typing" method. If L is on, you just need to press the time regulator and hold it for 30 sec.
Gulvira / 15.01.2018 - 18:07
Also on the oven L, my son pressed something. What does this mean and how to fix it?
Natalia / 01/05/2018 - 17:34
Why does each part of the oven work separately, but together I cannot turn them on?
Irina / 12/29/2017 - 15:00
What if L is on?
Anna / 12/26/2017 - 16:29
What is e23?
Edward / 12/25/2017 - 18:23
Hello. oven LOFRA, TOUCH PANEL WITH TWO DISPLAYS RED AND BLUE, IN THE MIDDLE OF THE CLOCK AND SENSOR OF ACTIVATION. 4 YEARS. THE SENSOR HAS STOPPED TO ACTIVATE, THE DISPLAYS AND THE CLOCK ARE LIGHTING AND DOES NOT TURN INTO OPERATION. BOARD NUMBER: PASS 271020496,12540530, DATE 20130219 HELP TO SOLVE THE PROBLEM. THANKS.
Vladimir / 12/20/2017 - 17:38
Good afternoon. Help advice blinking indication 8888 does not react to anything.
alexander / 09.11.2017 - 21:24
When choosing a temperature above 150 gr. produces dashes (-). Please tell me what it can be?
Alexey / 02.11.2017 - 22:19
I got a samsung oven. When choosing a temperature above 150 gr. issued dashes (-). The culprit is the variable temperature selection resistor. I found this out only by completely disassembling it.
Leonid / 10/01/2017 - 12:46
when the temperature is set above 150 degrees in all modes, including preheating, it burns - - - what burned out how to solve the problem
Marina / 08/29/2017 - 22:40
When I try to set the temperature and turn on any mode, it draws - what should I do?