In detail: do-it-yourself repair of a Daewoo bread machine from a real master for the site my.housecope.com.
The device of a home bread maker is in many ways similar to a multicooker, but there are also fundamental differences. First of all, it is an asynchronous (or collector) motor that can work for a sufficiently long time while the batch is in progress. It was not possible to make it small, and in the technical compartment of a home bread machine, the motor takes up the lion's share of the space. The rest is occupied by electronics. This is a voltage generation circuit for the heating element of a home bread machine, which works strictly according to the program according to the readings of the temperature sensor and the timer. More often, there are completely electronic models. That is, mechanical temperature switches are rare, as are ticking timers. This is understandable - the program is already hammered into the memory of the electronic circuit, or it is entered at the request of the user, nothing else needs to be done. Do-it-yourself bread maker repair mainly concerns the mechanical part, sensors and the control panel. In microcircuits, any master will break his leg, although it will still not hurt to inspect the capacitors, tracks, resistors.
It's time to talk about the device of the bread maker. There is nothing to do inside without knowing this information!
Inside the homemade bread maker there is a bowl where the bread is prepared. At the bottom there is an oar used for kneading. Many are interested in where it goes when a homemade bread maker serves a fresh bun on our table. The paddle folds up. The techniques are different, in some cases the motor simply reverses. Most washing machines, for example, have collector motors, but this does not change the essence. The paddle of a homemade bread machine is set in rotation through a belt thrown over a pulley. In the case of a collector motor for reverse, it is necessary to change the sequence of switching on the windings. As a result, the poles begin to attract rather than repel. This is done via a relay. In the case of an asynchronous motor, the direction of rotation of the field inside the stator is reversed. This is also achieved by correct commutation of the windings.
Video (click to play). |
Both types of engines will not benefit from a sudden change in motion. The electronic board of the homemade bread maker, working according to the program, will not allow this. The temperature is monitored by a sensor. Usually there is a thermistor, the slope of which is stored in memory. Time intervals in a home bread maker are measured by a quartz oscillator, which allows the device to know at any time what to do.
The design uses a loop heating element, which covers the bowl along the entire perimeter. It does not touch the bottom of the working compartment. This allows you to create an oven-like environment inside. This is why a homemade bread maker is not a quick fixture. The heating element gradually heats the air inside the compartment and the bowl made of steel or aluminum. The non-stick coating prevents the loaf from burning, and through the window in the lid, you can constantly monitor the phase of the process. The cover retains heat quite tightly due to the rubber gasket. In general, bread is baked, not fried.
Almost every home bread maker has the ability to adjust the crust color. We believe this is achieved by maintaining the desired baking temperature. The bread will work anyway, but it will take on a darker hue in a hot oven. The coating of the bowl is non-stick, try not to take Teflon, give preference to ceramics, marble and other natural materials. This will provide the whole family with safe products. Teflon is erased after a couple of years, and there is no way to restore it.
Some models have a dispenser in the lid. This is a device that allows, according to the program, to throw nuts, raisins and other ingredients into the dough. The dispenser works at the expense of the usual command at the right time. The slamming device can be checked if you know what voltage needs to be applied.
It often happens that the paddle begins to sway, gnash, or even stop altogether. A graphite insert is used as a seal in home bread makers. This grease is not afraid of heating, therefore it is used in this case. It does not pose a danger to health either. From a sharp blow, the liner is able to crack and crumble, from long use it wears out. It is best to check the paddle regularly to make sure it is working properly. If a problem is noticed, a new spare part must be ordered. If water leaks at the bottom of the working compartment, the bowl bearings are worn out. The pottery does not last long if the dough is too thick.
Repairing a bucket of a bread machine consists in eliminating leaks in the area of the movable joint. To remove the oar axle, you will have to unscrew the bottom cover. The screws are in a variety of locations, some inside the work compartment. The pulley is usually fastened with a nut, although there are non-separable connections. The main types of malfunctions are typical for all devices:
A typical breakdown is a lack of power. In this case, you should start with the cord and move up the pattern. For electronic filling, a switching power supply must be present. This is usually supplied with a fuse, you should ring this element for integrity. In case of malfunction, do not rush to install a new one. Usually one fuse does not blow. Try plugging a 100 watt light bulb into the circuit. If it lights up after turning on the power, then rather unplug the plug from the outlet and look for the malfunction further. The fact is that such a mode is capable of ditching the printed circuit board. It is necessary to find the cause of the short circuit in the home bread maker, and then put the fuse on.
In a working power supply, the light should not light at all, or it will blink and go out. Continue DIY repair of the bread maker until this condition is met. The simplest power supply includes a capacitor and a rectifier, and this is where the breakdown often lies.
The control panel plays a special role. The sensor consists of a film on which electrodes are applied. The other half of the PCB is on the case. Everyone who looked into the remote control of a TV or other household appliances saw meanders made of copper. If moisture gets inside, unpleasant effects will also occur, however, fatal damage usually does not occur. The installation needs to be cleaned. The control film is relatively easy to peel off. In this case, it is important not to tear it so that the product does not lose its presentation. When cleaning, try not to use abrasives, it will be ideal to do with acetic acid, alcohol and other reagents to remove oxide film and other dirt.
Some designs have typical design flaws. A lot of devices are made simultaneously for Europe, where the generally accepted voltage is 230 V. However, the design features do not take into account that stability in Russia is lower. This is causing the homemade bread machine to work very poorly, intermittently. Before buying, look for relevant information on the forums, and if you have any complaints, then choose another model.
Also carefully study the instructions so as not to make mistakes for beginners and not look for something that can break:
- The signal to the chef to add raisins, dried apricots, nuts to the dough is perceived as the end of the cycle, and is interpreted as a malfunction.
- Too much water leads to a real mess, which does not want to take the normal shape of a bun and rise.
- Too thick a batch quickly destroys the mechanical part of a homemade bread machine, while the quality of pastry products does not increase.
And remember the most important thing: DIY repair of a bread maker begins where the warranty ends. If the device is expensive, or there are no skills in handling it, then it is better to entrust the matter to professionals. But you need to follow them closely. This is Russia, here everyone is cheating, whoever can, if nothing happens.
Date: 22.02.2016 // 0 Comments
One of the most common breakdowns in a bread machine is failure of the oil seal or bucket bearing. With such a malfunction, the oil seal may leak slightly, and the bearing may cause seizure or wedging of the shaft. Buying a new bucket of bread maker is not always the best idea, as it is not always the best idea. it costs quite a lot of money. Today we will clearly show how you can repair a bread maker with your own hands, namely, repair a bucket.
For clarity, we took one of the most popular bread makers. LG HB-155CJ... We begin to repair the bread machine by taking out the bucket and removing the retaining ring holding the metal washer with plastic paws on the shaft. The circlip, which secures the bearing, does not need to be removed at this stage.
The next step is to remove the bearing from the seat. You have to be very careful here - impacts can easily damage the bucketsince his material very fragile... To remove the bearing, it is rational to use a press or a small two-legged puller.
The stripper stops perfectly fit into the grooves of the body of such a bucket, in this position the stripper is fixed.
Putting a small plate 1-2mm thick under the bearing shaft and screwing in the puller axis, the bearing together with the oil seal push them out from the inside of the bucket.
As you can see, the oil seal and the bearing are in a very poor condition.
Then we remove the bearing retainers.
By the way, this is what is inside the bearing - not a trace of grease remained during operation.
Remove the bearing from the shaft and clean the shaft from contamination. It is best to use alcohol to flush and clean the shaft. petrol or thinner is not allowed here.
Next, we need spare parts: a new oil seal for the bread machine and bearing 608 (Dimensions: inner diameter - 8mm; outer - 22mm; height - 7mm). The oil seal is special, they are white, and it is better to take a purebred bearing (in our case, the manufacturer is FLT).
Further procedures are in reverse order. We install the bearing on the shaft and fix it.
We press the bearing into the seat. Impacts are not allowed, we use a press, we cool a bearing or heat a bucket, whatever you like, but just do not hit.
After installing the shaft with the bearing, we fix the washer with feet on the shaft.
The last step is to install a new oil seal.
At this stage, the do-it-yourself repair of the bread machine is completed, the oil seal and bearing have been replaced, it remains to clean the bucket.
A malfunction at a home bakery can take you by surprise. It can, of course, be taken to a service center, but some malfunctions that have arisen in your bread maker can be eliminated by yourself.
The following breakdowns are most often found in stoves:
- malfunction of the thermal sensor;
- burnout of the heating element;
- software failure in the control module;
- the electric motor is out of order;
- the belt slipped off;
- no power supply;
- faulty reverse relay;
- breakage of the ingredient bucket.
Other breakdowns inherent in other models and brands are not excluded, because there may be differences in design features.
The quality of the baked bread depends on the correct operation of the temperature sensor. If the thermostat is faulty, the bread will burn, or vice versa, it will remain unbaked. It is this sensor that regulates the temperature in the bread maker during the baking program. The figure below shows, for example, what the thermal sensor of the Kenwood Bread Maker looks like.
Thermal fuses are often located near the thermistor. They do not allow the temperature to be exceeded above a certain one, if the thermostat fails.
After disassembling the baking unit, it will not be difficult to find these parts by their external signs. It will also be easy to replace them with new ones, having previously bought them on the Internet or at a service center.
It is very easy to suspect that the heater is not working: the bread simply will not be baked... In order to check this, it is necessary to disassemble the device:
- unscrew the screws at the bottom of the stove and inside it by opening the lid;
- then carefully disconnect the bottom from the case without breaking the wires;
- disconnect the wires from the terminal block;
- you will see a large metal tubular ring.
This is the heating element (tubular electric heater). In some models of bread makers, it may be located inside an iron bucket container. It can be checked for burnout tester... If the burnout is confirmed, it must be replaced with a new one.
If your bread oven began to behave strangely: some buttons stopped turning on, a signal for the end of baking appears, when it has just begun, this may signal a breakdown of the software module. Unfortunately, you cannot repair bread makers with such a breakdown on your own. This should be done by qualified personnel from service center... Otherwise, unknowingly, you can aggravate the malfunction and it will be more difficult and more expensive to repair the module.
This breakdown is easy to determine. If you turn on the machine, and the mixer does not start to rotate and you do not hear the sound of the engine running, this means that the rotary movement from the pulley - the electric motor is faulty. Repair of this unit of the unit, as mentioned above, must be carried out by a master.
In the case when, after turning on the apparatus, the noise of a running motor is heard, but the paddle does not spin, or when the ingredients are poured, they do not mix well, then the reason for this may be wear or slippage of the toothed belt from the pulley.
The belt of the bread machine can be found by removing the bottom of the machine. By wear rate the belt of the drive of the bread machine is determined whether it needs to be replaced with a new one.
A common reason the bread maker simply won't turn on is a lack of power. First you need to check electrical plug and the cord itself. Next, you have to check the power supply, as a rule, a pulse one. It has its own fuse. But you should not rush and change it. If, after connecting a 100 W light bulb to the circuit, it lights up, then urgently turn off the power to further search for a short circuit. When the power supply is working, the light should not glow, it can only blink. The power node usually consists of rectifier and capacitor... This is where the malfunction lies.
Do-it-yourself bread maker repair in this case is possible if you are at least a little versed in the radio business.
In some inexpensive units, the paddle (agitator) is removed from the shaft. For this, a hook is included with the apparatus for extracting it from the bread. But there are models when the stirrer is folded. If after baking on the product you find an oar print, then the reverse is faulty.... Repair to eliminate this trouble of the bread maker should take place with the participation of a specialist.
Repair of a bucket of a bread machine due to failure bearing and oil seal you can make it yourself. Symptoms that this is the exact reason are as follows:
- there is a small leak from the container;
- wedging or complete wedging of the shaft.
For a better understanding, the repair of a bread machine is shown below. LG do it yourself about replacing the bearing and oil seal (unit model LG HB-155CJ).
A metal plate 1-2 mm thick will need to be placed on the bearing shaft.
To continue, you will need to purchase necessary spare parts: 608th ball bearing (outer diameter 22 mm, inner diameter 8 mm, height 7 mm) and special white seal.
Further, in reverse order:
- Slide the bearing onto the shaft and install the retainer.
- Carefully press the bearing into its seat. It should be refrigerated before installation. You can also heat the bucket. Impacts when pressing in are not allowed.
- Now you can fix the shaft with a special washer-stopper.
- In conclusion, you will need to install an oil seal. The repair of the bread maker's bucket is over!
Not all possible breakdowns of the bread baking machine were considered, since it is impossible to list them completely, and it depends on the characteristics of models of different brands. However, you can fix some faults using this manual yourself.
DIY bread maker repair: how to disassemble, replacing the oil seal in LG, a bucket in Mulinex, video and diagram, Redmond
Do-it-yourself repair of 6 major breakdowns of a bread machine
It is not difficult to repair a bread machine, the main thing is to correctly approach this process. A home bread machine is a complicated device, but some breakdowns can be easily fixed on your own without taking it to a service center. The most common malfunctions of simple parts. If used correctly, a home bread maker will last for a long time. It is a very reliable household appliance. But, over time, repairs are still needed. This is due to wear of the device parts, or there is a malfunction in the electronics (software).
Some breakdowns can be repaired by hand. This applies to mechanical parts. The control circuit, sensors, all these problems are best left to the master to solve if any part is broken.
Most often, the following malfunctions occur:
- Failure of the heating element;
- Damage to the thermal sensor;
- Engine breakdown;
- Failure in the control program;
- Cover problems;
- Breakage of the bowl.
The bread maker should be repaired due to a broken bowl, a malfunction in the control program, and in some other cases.
If the heating element breaks down, the bread stops baking altogether. This can be checked by disassembling the device and checking the heater with a tester. If the breakdown is confirmed, the heating element must be replaced. The temperature sensor regulates the temperature during baking. Its malfunction leads to the fact that the bread either burns or is not baked. Replacing the thermal sensor is not difficult.
If the motor of the bread maker breaks down, the agitator remains stationary, and when turned on, its operation is not heard. In this case, it is better to consult a specialist.
Failure in the control program can be determined by the strange behavior of the device. The signal about the end of work turns on at the beginning of baking, some buttons on the control panel stop working, all this is the cause of the breakdown of the program module.Failures of the cover of the device often occur. It is not tight, or vice versa, it closes very tightly. In this case, you need to make sure that nothing interferes with the closure of the lid. If so, then the entire cover needs to be replaced. A common cause of bowl breakage is oil seal or bearing wear. If the gland is damaged, the bucket of the bread machine leaks, and if the shaft is jammed, the point is in the bearing.
To understand the cause of the malfunction of the device, it must be disassembled. Having decided to disassemble the bread maker, it is very important to carefully study the instructions and the diagram of the household appliance. Bread makers do not fundamentally differ from each other in their structure. The design of the Redmond, Saturn, Liberton or Moulinex device practically does not differ from Kenwood or Combustion.
The bread maker consists of:
In order to properly disassemble the bread maker, you must read the instructions
An electric motor is installed in the baking chamber, which rotates the shaft in the baking bowl, heating elements (heating elements) and a coupling. A non-stick baking dish is located in the baking chamber. There is a kneading spatula at the bottom of the bowl. It connects to the shaft. From the outside, the shaft is attached by means of a coupling with a motor.
With the help of a temperature sensor, the desired temperature is maintained during the baking process.
The choice of parameters, switching on and off the device is carried out using the control panel. The display is used to display information. Dismantling the bread maker begins with removing the cover of the device. Then you need to detach the panel. It is secured with bolts and plugs. Carefully unfasten the ribbon cable from the board, and then you can remove the bottom cover. Then we take out the heating element. Thus, the bread maker is divided into a body and a casing.
Some models, for example, Orion, are problematic to disassemble. The motor and belt in them are at the bottom, and in order to get to them, you have to disassemble the entire bread maker. After repairing and replacing the necessary parts, the bread maker must be reassembled in the reverse order. In order to assemble everything correctly, and not to get confused in the bolts and screws, they immediately need to be laid out in different boxes, and remember the order in which the device was disassembled.
When the bread makers are in operation, high temperatures act on the gland, it gets wet when the bucket is washed, and dries up in a calm state. This leads to a loss of elasticity and elasticity of the rubber, and the oil seal breaks, the bucket of the bread machine begins to leak. Moisture gets on the bearing and starts to rust. Do not delay the repair of the bread maker. This can lead to more serious problems. Replacing the bucket with a new one will not be cheap, and you can change the bucket oil seal yourself.
Before you start replacing the oil seal, you should prepare the necessary tools and materials for work
For repair you will need:
- New oil seal;
- Retaining ring (must match the shaft diameter);
- Graphite grease;
- Tools to disassemble a bucket of bread maker.
We unscrew the fasteners of the base of the bowl. The shaft is attached to the bottom in the bread maker's bucket with retaining rings. Remove the shaft retaining ring. Carefully knock out the shaft with the bearing and the oil seal through a wooden support. Remove the bearing from the shaft.
We remove dirt and rust from the shaft. It is better to use alcohol for this.
Lubricate the shaft with graphite grease. Next, we put the bearing back on the shaft. Then we install it on the bottom of the bucket, and fix it with a retaining ring. We install a new oil seal from the inside of the bowl into the groove around the shaft. We turn the bucket over, and fix the clutch with a lock washer. That's it, now you can check the work of the bucket.
Problems with touch controls are very common. The control buttons on the panel stop working and an error is displayed on the screen. These unpleasant effects are due to moisture getting under the film. You can deal with such a problem yourself.
In order to properly repair a baking machine, experts recommend performing all actions step by step
- Place the bread maker on a flat surface.
- We clean it from fat, and peel off the panel. This should be done very carefully so as not to spoil the appearance of the device.
- Pry the sticker with a knife and carefully pull it up.
- Do not forget about the loop, on the LG bread makers it is on the right.
- Then carefully wipe the contacts with a soft cloth. They are located on the body of the bread maker and on the back of the control panel.
We use alcohol for cleaning. Wipe gently and thoroughly to get rid of dirt and grease that has got on the contacts. In order to prevent dirt from clogging up under the control panel during further operation, you can stick double-sided tape on the body along the perimeter of the panel-body connection.
After cleaning the contacts, close the touch panel. Checking the operation of the control panel. Typically, such repairs bring the panel of the bread maker back to life, and the buttons begin to respond to pressing.
For many, bread makers have long become indispensable helpers. Modern household bread makers are compact and fit easily in a small kitchen. A wide range of these household appliances allows you to purchase a model that is optimal in terms of price and performance. But, despite the variety of brands and models, bread makers have a similar principle of operation, and are assembled from the same parts.