Details: lg wd 80192n DIY repair from a real master for the site my.housecope.com.
Do-it-yourself training portal about repairing washing machines, repairing dishwashers, repairing boilers and refrigerators
The LG washing machine model WD 80192N was being repaired, the problem is that there is no water heating, and, accordingly, the machine began to wash clothes poorly. Based on experience, we make a preliminary conclusion that the heating element (heating element) is out of order, and it needs to be replaced.
Replacing the heating element LG WD 80192N involves partial disassembly of the machine, namely, you need to remove the back cover. First, turn off the machine from the network. We unfold the car and remove the back cover by unscrewing four screws.
On this, the disassembly of the LG washing machine actually ended. Removing the back cover, we see the ten.
It is necessary to check whether it is working properly, for this we remove the power terminals, take a multimeter and measure the resistance at the ends of the heater. The resistance of a working heater should be approximately 30 ohms.
The photo shows that the multimeter shows 1, which means infinite resistance of the ten, that is, it is faulty.
The heating element is a hollow tube, sealed on both sides, inside which there is a metal spiral in an insulator, and this spiral heats up when an electric current is applied. Over time, the spiral becomes thinner and breaks, and the machine stops heating the water.
The defect is quite standard, considering that the machine has been in operation for about 10 years. Next, let's look at how the LG heating element is replaced.
First, remove the engine drive belt so that it does not interfere.
Unscrew the first nut on the heating element and remove the mass.
Video (click to play). |
We loosen the second nut, but do not unscrew it completely.
We remove the heater, for this we take a pair of flat screwdrivers, hook up the metal base of the heating element and pull it out of the tank.
The photo shows that ten not only "burned out", but literally exploded and fell apart. The inner spiral seems to be closed on the outer case of the heating element. One piece is missing, it remains in the tank, but you must definitely get it out, otherwise it can get into the drain pump and interfere with the pump's operation. Also, a piece can get between the new ten and the drum, and then there will be trouble. In order to extract a piece, I used a metal wire, folded one end of the wire into a hook and took out the missing piece.
With the same wire we get large fragments of scale out of the tank. Before installing a new heater, be sure to clean the shade seat from dirt and scale.
We take a new ten. The photo shows that a working ten shows a resistance of 31 ohms.
We install a new element, fix it well with a nut, assemble the machine and check it in the wash mode.
The type of repair described in this article cannot be classified as a complex repair, but the topic, however, requires certain skills. If you are not confident in your abilities, then it is better to seek help from professionals. Good luck with the renovation.
LG direct drive washing machines are in high demand among customers. The new design made it possible to significantly increase the engine resource, while the SM belongs to the affordable price segment.
But even such equipment is subject to breakdowns, and maintenance of LG washing machines in a service center is sometimes expensive. Therefore, we will tell you about the typical malfunctions of this brand and the possibilities of self-repair.
According to statistics, breakdowns of direct drive LJ washing machines occur after five years of operation. To understand where to start troubleshooting, let's look at how a direct-drive CM and a standard machine work.
Look at the diagram of the LG washing machine:
In the first case, the drum is rotated using a drive belt. In the second, the drum rotates the motor directly. Such a motor also does not have brushes that constantly wear out. In the event of a breakdown, you will immediately determine that the reason is in the motor, and not in the parts adjacent to it.
We have disassembled the principle of operation, now we will consider which nodes most often fail:
How can a user know where exactly the LG washing machine has broken down? For this, there is a self-diagnosis system. If a problem is detected, the system displays the EJ error codes on the display.
You just have to decipher the code and find the problem.
To repair a LG washing machine with your own hands, you need to know well the design features of the washing machine and its main faults that occur most often.
From time to time, many have a situation when the washing machine stops working normally. Modern units, including LG, have no problems with diagnostics and error detection. The fact is that the screen-display shows codes, each of which corresponds to a particular malfunction. LG washing machines have their own coding, deciphered in the attached technical documentation. It also provides practical advice on how to eliminate the resulting breakdowns.
Explanation of the main fault codes for LG washing machines:
Many problems that arise with LG washing machines can be solved independently, in accordance with the decoding of the codes displayed on the display. If the measures taken have not led to a positive result, it is recommended to perform a service test for a more complete diagnosis. Thanks to the information received, the repair of the washing machine can be done independently. Sometimes there are breakdowns that are not provided for by error codes. They also need to be able to identify and eliminate.
Sometimes the washing machine does not react in any way when the plug is plugged into the socket: the indicator lights do not light up, the musical greeting does not turn on. The reasons for this condition can be very different. Some can be easily removed on their own, while others - only in a service center.
Why the washing machine does not turn on:
- Lack of electricity is the most common cause. For various reasons, an automatic machine or an RCD is triggered. Possible outlet malfunction.
- Defective mains wire. The serviceability of the washing machine's power cord is checked using a multimeter. If a problem is found, the cord is completely replaced or repaired. All connections must be made only by soldering.
- Malfunction of the power button, which receives power after connecting to the network. To check its performance, a tester is also used, set to the buzzer mode. The machine must be de-energized, and the button itself rings in both positions - on and off. If it is in working order, the multimeter will confirm this with a characteristic sound. If a malfunction is found, the button must be replaced.
Sometimes the LG washing machine will not turn on due to a malfunctioning noise filter (FPS). This device is designed to damp the electromagnetic waves emitted by the washing machine that interfere with the operation of other devices. When the FPS fails, it no longer passes electric current through the circuit, as a result, the washing machine does not turn on. Serviceability checks are carried out using a multimeter. It is necessary to ring the entrance and exit in turn. If there is voltage at the input, but there is no voltage at the output, then the FPS is faulty and needs to be replaced.
Sometimes the drum stops spinning in the LG washing machine. In this case, turn off the machine, drain the water, open the door and try to turn the drum manually. If the drum does not rotate, then it is jammed. This situation can arise for various reasons.For example, on LG top-loading washing machines, doors may open and catch on a heating element or other part.
Sometimes the drive belt jumps off, which has to be replaced along with the bearing. The bearings themselves fail due to wear of the oil seal, which allows air and water to pass through due to the loss of elasticity. A foreign object may enter between the tub and drum and prevent rotation.
When the drum is rotated by hand, but it does not rotate from the electric motor. The most likely reason is related to defects in the control modules. It is possible to solve the problem by resetting the program, but in more complex cases, the board needs to be repaired or completely replaced.
Another reason may be the failure of the drive belt, due to breaks or loosening. Sometimes the brushes of the electric motor fail, and the motor itself turns out to be faulty under the influence of water leaks or voltage drops. More precise reasons for the failure of drum rotation are established only after disassembling the washing machine and diagnostics.
After a certain time of operation, extraneous noises may appear in the LG washing machine, as well as uncharacteristic sounds in the form of a squeak, crackle and others. The main causes of extraneous sounds can be the following:
Quite often, situations arise when, while observing all the established norms, regarding the amount of laundry, washing powder and settings, water is still drawn into the tank too slowly or not at all.
In such situations, first of all, the presence of water in the system and its pressure, the position and serviceability of the valve for supplying water to the machine, as well as the condition of the water hose are checked. If everything is in order here, the washing machine must be freed from the laundry, disconnected from the power and diagnosed in order to identify malfunctions.
The main reasons for the slow water supply:
First of all, the correctness of the washing mode setting is checked. Some LG models have a no-drain mode option that may have been accidentally turned on. Next, the drain hose is inspected for kinks and blockages. If necessary, clean it, and at the same time check the siphon if water is drained through it.
The reason for not draining the water can be a filter that is dirty and clogged with various objects. Draining is significantly hampered or completely stopped. A clogged filter often leads to more serious damage to the unit, therefore it must be inspected and cleaned regularly. In addition, some small items of clothing can get stuck in the pipe, obstructing the escape of water.
A faulty pump, the sound of which becomes quieter in comparison with the usual mode, often becomes the cause of a violation of the drain. The machine makes a noise or hums, but the water does not drain. The malfunction occurs due to physical wear and tear of the pump, designed for 3-5 years of operation. Small objects leaking from the filter can jam the impeller.
Sometimes all systems work fine, but the water is still not drained. The main cause is a blockage in the drain hose, which must be removed and cleaned. The second reason is associated with a pump that has exhausted its resource and is able to rotate only without water, dry. When water is supplied, it jams, power is lost, and it stops rotating.
To avoid such situations, experts recommend taking a number of preventive measures:
- Remove all foreign objects from pockets before washing.
- The weight of the laundry loaded into the drum must strictly comply with the instructions, overloading is strictly not allowed.
- Use only high-quality detergents in the right amount for washing.
- We recommend using a stabilizer during washing. This will help keep your equipment safe from power surges and surges.
Water leakage in LG washing machines is one of the most serious malfunctions when you need to take the most urgent measures.Leaking water can not only flood the neighbors on the lower floor, but also damage the electronic parts of the unit. Therefore, if a leak is detected, the wash should be stopped immediately and the water drained. The water supply to the machine is completely shut off.
The main reasons for water leakage in LG washing machines are:
- A leak near the filter indicates poor tightening after cleaning, damage to the O-ring or thread.
- Water appears mainly in the front of the machine and often spills out through the doors. This becomes especially noticeable during the spinning process. The cause of the malfunction may be a loose door or a damaged hatch seal.
- If a leak occurs while draining the water, the leaking drain hoses must be replaced.
- Leakage can occur due to a rupture of the inner pipe, depressurization of the connections, or a defect in the water pump. In these cases, water comes out centrally under the washing machine or closer to the front of the washing machine. If a leak is found near the rear wall, it is likely that the bearing or the sealing gland will fail.
- When the flow starts with the water supply, the problem may be in the powder tray, which is clogged with detergent residues. It is possible that the inlet hoses and water inlets are also clogged.
The most difficult part of the LG washing machine is undoubtedly the control module. In case of failure, the control panel stops the execution of all functions of the washing machine. After all, this unit turns on and off the device, organizes the direct washing process, selects the mode, provides rinsing and spinning, at its command, the water is heated and cooled.
Before you independently repair the control module, you must diagnose it. In case of obvious malfunctions, the machine does not spin the laundry normally, and the error code is not displayed on the display. The lamps located on the control panel at the same time or do not light up at all. Water is not drawn into the tank even if the required mode is set. The wash itself stretches for 3-4 hours in a row without stopping and switching to other modes. There are constant freezes of the device, there are difficulties with setting the necessary programs.
These and other signs gradually cause the complete inoperability of the washing machine. If at least one of them is available, the question of urgent repair of the control module should already be raised. Self-repair is recommended only to those people who have knowledge and experience with electronic circuits. In case of incorrect actions, the module will completely fail, and with it some components of the washing machine.
If, nevertheless, a decision is made to repair yourself, you must follow a certain procedure:
- The module is cleaned of sealant.
- It is then carefully removed from the compartment away from the transformer.
- After removal from the electronic module, the remainder of the sealant is removed.
- Further, repair work is carried out.
- After repair, a protective varnish is applied to the board sections.
In some cases, the module is not completely removed, only the necessary area is cleaned from the sealant, which is then repaired.
Employees of all kinds of workshops and service centers persistently accustom us to the thought: attempts to repair a modern washing machine on our own can only lead to the final damage of the unit.
But workshop services sometimes cost several times more than the actual cost of new parts.
And there are also very simple cases when the machine simply needs to be cleaned, for example. Such work will be quite within the power of the owner. Let's take a look at how to repair an LG washing machine with your own hands, and how to diagnose faults, for example.
In fact, a washing machine is a tub in which a rotating drum is installed. The latter forces the laundry to actively move in water saturated with detergent. The machine is filled with water due to the pressure in the water supply to which it is connected. For the best effect, the water is heated (the temperature depends on the type of fabric).
Dirty water is pumped into the sewer, if the machine is connected to it, or into the bathtub.
Knowing how the machine works will help you better understand the causes of faults. Apart from the tank and the drum, this is what is included in its composition:
- Control module. The "brain" of the system, coordinating the work of all electronic devices.
- Bearing unit with an oil seal, in which the drum shaft is installed.
- Mesh filters: one at the inlet to the machine, the other in front of the pump.
- electric motor (rotates the drum);
- TEN (heats the water);
- filling valve (this is an electric tap that the machine opens to fill the tank with water);
- pump (pumps out waste water);
- temperature sensor;
- a level sensor, also called a pressure switch or pressure switch (with which the machine controls the water level).
From below, the tank is mounted on shock absorbers, and from above it is suspended on springs. The motor can drive the drum shaft into rotation either directly or by means of a belt drive.
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As you can see, the washing machine consists of a fairly large number of different components, and the breakdown of any of them will inevitably affect the operation of the device as a whole. Here's what can happen:
It is easy to see that a typewriter has to combine two things that a sane person usually tends to keep away from each other: water and electricity. As long as the water is where it should be, there is nothing to fear. But if she finds at least an insignificant possibility of leakage, the risk of unauthorized closure of contacts immediately arises.
As you know, the work at the washing machine is rather dirty.Collecting in some places in the form of muddy deposits, the dirt can completely block the path of water.
In addition to dirt, all sorts of small debris often gets into the machine, which we carefully store in our pockets, which makes the likelihood of a blockage increase dramatically.
Chemists have come up with many different materials, but none of them are completely eternal. Therefore, the moving parts - the bearings, the belt, and sometimes the pump impeller - have a limited resource and must be replaced from time to time.
The same can be said for the seals. Their wear and tear leads to the fact that water instead of sewage begins to pour onto the floor.
Electronic devices, like humans, can sometimes go crazy. Especially if the voltage in the mains from time to time makes dizzying surges, as it happens with us. Of course, it is impossible to repair an electronic unit without special skills and equipment, but even an amateur can easily replace a burnt-out thermal sensor or heating element.
For an amateur repair of a LG washing machine, you will need a very modest arsenal:- Phillips and flathead screwdrivers;
- wrenches 10 and 17;
- multimeter;
- phase indicator.
In some cases, glue or sealant may be required.
What exactly needs to be repaired can be suggested by the machine itself. In the event of a malfunction, a special code is displayed on its display, by which you can approximately determine the cause of the problem.
When disassembling a typewriter, do not rely on your memory. Before disconnecting, mark the contacts and their corresponding connectors, and even better take pictures.
This applies not only to the electrician, but also to all kinds of fasteners and assemblies that you intend to dismantle.
First of all, we note that such sounds do not always indicate a breakdown.
They can also occur if too little laundry has been put into the machine and it has collected on one side of the drum, which causes an imbalance (the display may show the UE code).
It is also necessary to make sure that the LG machine is installed without distortions (checked by the building level).
If the laundry has been loaded correctly and the machine is level, the cause of the unusual noises should be looked for in the bearings. Apparently, one of them has fallen into disrepair and needs to be replaced. This operation will take a lot of time, since you will have to disassemble the entire machine, but it does not have any difficulties that require special knowledge.
A few tips will help to disassemble the unit:
- To remove the top cover and rear panel, it is enough to unscrew the screws, and to dismantle the front panel, you first need to unscrew the hatch and disconnect the sealing collar. The latter is held in place by a clamp tightened with a small screw. To get to the screw, you need to carefully pry the clamp with a flat screwdriver and move it in any direction until the fasteners are found.
- The top corner must also be removed, as it will interfere with the removal of the drum.
- Before dismantling the drum, disconnect the upper counterweight from it - then it will be easier to pull out the element.
- It is better to remove the drum together, holding its upper springs.
The bearings sit very tightly on the shaft and in the sleeve, so an impressive effort is required to dismantle them. Some craftsmen knock them out with a hammer, substituting a wooden block under it, but this approach cannot be called anything other than barbaric - you can damage the shaft and other elements. The bearings should be removed and installed using a puller.
Washing machine drum
This is a simple device and it is not difficult to construct it yourself. It can consist, for example, of a plate with holes and 2 studs with L-shaped hooks welded to them.
The plate rests against the end of the shaft and pins are threaded into its holes so that they engage the bearing. By tightening the nuts on the studs little by little, we will create the force necessary to remove the bearing.
If water seeps into the sump located under the machine, it will react by showing the code "E1" on the display. There may be several reasons:
- The gasket between the two halves of the tank ceased to hold water. This usually happens if the tank was disassembled shortly before. It is necessary to install a new gasket, and before that it should be lubricated with silicone sealant.
- The oil seal, which is installed next to the bearings, is worn out. In LG machines, this oil seal is sometimes destroyed by the drum, which touches it as it rotates. The oil seal needs to be replaced.
- The hose that connects the tank outlet to the pump may burst. It is "treated" by replacement.
Due to design flaws in LG machines, the new oil seal is not always able to be put in place. In this case, it is planted on a sealant (the most reliable is the composition of the Dyson brand).
Water can also flow out through the hatch seal, which in this case is also changed (how to remove the seal was described above).
The signal on the scoreboard is "OE". First of all, you need to empty the tank through the emergency drain. To get to it, open the hatch at the bottom.
Now you can look for the reason:
- Unscrew the drain filter and clean it and the area around it from dirt.
- Put the unit in the “drain” mode and look through the hole from under the filter at the pump impeller - has it started to rotate? If not, you need to disassemble the pump and check if the impeller is jammed with a foreign object. Also, it can wedge due to the formation of a strong backlash. Depending on the identified defects, the pump is repaired or changed.
If the pump is working properly, you should start cleaning the drain hose connected to it.
- Clean the detergent dispenser container from powder adhered to it.
- It is sometimes useful to unscrew the heating element (its shank sticks out of the tank at the bottom of it) and descale it. In this case, the gasket must be changed to a new one every time.
- Clean the filler and return filters from time to time.
It is also recommended to renew the grease on the oil seal from time to time, unless, of course, you are afraid of the need to completely disassemble the machine for this.
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