Tips for repairing the control unit of a Samsung washing machine

Samsung washing machines are reliable appliances, but even such equipment breaks down sooner or later.

The entire “brain” of the unit is concentrated in the electronic module, so if it fails, the device stops working correctly.

To learn how to repair the control board of a Samsung washing machine yourself, read the article.

How to understand that an element has failed?

You can understand that the module is faulty by the following signs:

1. The machine takes in water and immediately drains it.
2. The device does not turn on and an error code appears on the screen.
3. If there is no screen, the LEDs light up and blink.
4. Programs do not work or crash.
5. The water does not heat up or overheats.
6. The drum is spinning too fast or too slow.

For control board failure will indicate the following error codes:

• E1;
• 4E;
• 4C;
• CH.

In general, any code can indicate a controller malfunction. It all depends on where exactly the breakdown occurred.

If the Samsung machine is under warranty

If a machine that is under warranty breaks down, you should not try to repair it yourself. Opening the device may result in denial of free service..

First you need to find a warranty card. It may indicate the number of the service center to contact.

If there are no contact details, you need to go to the store where the equipment was purchased. At the point of sale, the goods must be taken away for examination.

After determining the cause of the breakdown, there are 3 options for the development of events:

1. The device will be repaired free of charge.
2. The buyer gets his money back.
3. The product is exchanged for a similar one.

As a rule, problems do not arise with equipment that has a manufacturing defect. If the store refuses to accept a broken machine, you need to write a complaint addressed to the director. When you cannot get an answer, you should contact the court or the Consumer Rights Protection Department. The maximum period for consideration of a claim is 10 days.

Delivery of the washing machine to the store is the responsibility of the buyer. The seller must transport the equipment to the examination site.

How to repair if the warranty period has expired?

If the warranty period has expired, free repair of the equipment will not be possible. There are two possible ways to solve the problem: disassemble the machine yourself and fix the problem, or seek help from a specialist.

Disassembling a household appliance

To understand that the electronic module has broken down, it must be removed and inspected. Upon closer examination, you can see oxidized areas and traces of burns on the microcircuit.

Instructions for removing the block:

• disconnect the machine from the network;
• turn off the water supply tap;
• remove the cover - it is attached to the self-tapping screws located on the back side;
• press the central stop and remove the powder dispenser;
• Unscrew the screws that are located around the perimeter of the control panel;
• disable chips;
• Unfasten the latch and remove the cover.

Removing and diagnosing the board

Once access to the board is gained, the terminals need to be disconnected from it. It is important to record this process on video or photo. If after repair you connect the electrical circuit incorrectly, it will not work.

Main stages of diagnosis:

1. Damaged areas have scorching or darkening.
2. In the place of the crystal notch, the caps of the capacitors are swollen or completely torn.
3. The area next to the processor has darkened, and the color of the legs on which the microcircuit is attached has changed.

Troubleshooting Methods

To understand whether you can repair the board yourself, you need to carefully inspect it. You will have to test the parameters of the elements and evaluate which circuits have violations. Only a specialist with experience working with microcircuits can handle this task.

Provided that the board is intact, you can repair it yourself. Basic troubleshooting methods:

1. Program installation sensors are faulty. Reason: clogged regulator contacts. It will be difficult to turn, and you won't hear a click when scrolling. To solve the problem, you need to remove the handle and clean it.
2. Removing carbon deposits. It appears on washing machines that have been in use for a long time.You can remove accumulated soot with a brush or brush.
3. Sunroof lock sensor interference. The most common cause of malfunction is soap residue that accumulates over time. Dealing with the problem is simple - just clean the block.
4. Loose belt drive. The problem can be corrected by tightening the pulley.

This video discusses the repair of a Samsung washing machine module:

Part replacement

If the board is faulty, then it is simply replaced. To do this you need to purchase a new part. You can buy the module in online stores. The price for a part starts from 5,500 rubles and above. The more modern and intelligent the model, the more expensive the module.

You can purchase a used working board. Such parts may be available in service workshops or private repairmen. However, it is impossible to guarantee their long-term uninterrupted operation.

Checking work

The technician checks the operation of the repaired control board elements using a multimeter. The probe is applied to the part and the values ​​shown by the tester are evaluated. If it is powered or outputs 0, then a short circuit has occurred, if 1 - an open circuit.

Call the master

You need to contact a professional if you can’t solve the problem yourself.. Repairing a control board is a difficult task that cannot be completed without special knowledge.

For help, you can contact service centers or private specialists. Contacts for a specific locality can be found on the Internet.

Many repairmen publish advertisements in newspapers. Another option is to use word of mouth if you have friends who have already used the services of such specialists.

When contacting private craftsmen, there is a risk of meeting a scammer. Therefore, before calling a repairman to your home, you need to study reviews on the Internet. As a rule, negative comments about unscrupulous craftsmen are found on various forums.

If a specialist promises a free visit and diagnostics, and then demands payment, you need to threaten him with going to the police.

Preventing future breakdowns

Reasons why the control board may fail and ways to prevent them:

1. Manufacturing defect. This reason is rare, but if it is detected, you should immediately contact the company’s service center.
2. Electricity surges. To prevent failures from causing damage to the electronics, you need to use an adapter. If the apartment's traffic jams often break, you need to call an electrician.
3. The board gets wet. It is unacceptable for water to get on it.
4. Transporting the device. The machine must be transported carefully, avoiding falls and shaking.
5. Pest feces, such as cockroaches and rodents, get on the board. We need to get rid of them.

All the most important things about repairing Samsung washing machines are in this section.

Conclusion

Repairing the control board of a Samsung washing machine is not always a difficult task. If it fails due to simple contamination, then after cleaning the part will begin to work properly. More complex work in the form of soldering a microcircuit and replacing its individual elements is best left to a specialist.