Causes of centrifuge failure in the washing machine semiautomatic

You turned the switch and saw that in your washing machine semi-automatic centrifuge does not work. There are several reasons for the problem:

• defective sensor;
• timer problem;
• brake pads;
• motor winding.

Security sensor malfunction

In some models, for example, Saturn or DAEWOO (Daewoo), a sensor is installed on the door that closes the tank with the centrifuge. It is designed to disable the launch of the device when the door is open. To get to this sensor, you have to remove the top panel of the washer.

Under it you will see a sensor with two contacts that need to be wiped. cotton with alcohol. It is impossible to scratch with a knife or sandpaper to clean the contacts. Check sensor operation. When the cover is closed, the contacts should close.

Timer problem

The timer in most semi-automatic washing machines (SMP) is located under the top panel of the unit. You can repair it, clearing contacts.

There can be a lot of tips on how to remove the panel, due to the design features of the machines of different companies.

After removing the top panel, you will see a device that resembles a watch with gears. Inside it you can see the contacts, which during long-term operation of the unit can burn. Soot appears on them, not transmitting current.

Disassemble the timer must be carefully. The cover of the mechanism also serves to fasten a gear on it. Unscrewing the three screws, it must be removed so that the gears do not spill out. If you are afraid that you can remove the cover is not neat, then it is better to photograph the mechanism. After opening the lid, you will see the contacts. As in the case of the sensor, they must be wiped with alcohol.

Brake pads

How does the braking system in semi-automatic typewriters? Brake pads are installed under the centrifuge, and provide its braking when you open the door. It is connected to the lid with a cable.When the cover is opened, the cable is tensioned and the brake pads clasp the rotating part of the engine - the centrifuge is braked.

It is necessary to open the rear wall of the SMP and check the tension of the cable, the absence of touch pads to the engine in the closed state of the door. It is the touch of the brake pads that sometimes prevents the electric motor from starting.

Motor winding

A frequent cause of a centrifuge breakdown is the blowdown of one of the electric motor windings. You can check this with a tester (measuring device):

1. Find the ends of the wires coming out of the electric motor. Usually there are three of them: the first is common, the second is leading to the starting winding, and the third is leading to the working winding. The common wire is marked with the letter “N” (often blue).
2. We set the resistance test on the device, and measure it between the blue wire and one of the two, for example - red. If there are readings of resistance on the instrument's screen, it means everything is in order with this winding.
3. We continue the same actions with another pair, blue and white wires. We measure the resistance and look at the instrument readings.If there is no resistance, the winding is blown. And the reason that in your washing machine semi-automatic the centrifuge does not work is covered motor failure.

In such cases, the motor is either handed over to rewind, or a new one is bought and installed.

Other common causes of breakdowns

All causes of breakdowns of the spin system are difficult to list. In each model of machines may have their own nuances. DIY repair of a semi-automatic washing machine will save you a lot of money. Here are the most common errors in the spin system:

1. The engine buzzes but spinning does not work. This means that jumped off or ripped beltconnecting the motor pulleys and centrifuges.
2. When the rubber bushing of the diaphragm is worn, a large gap prevents the spin from being activated. Is required sleeve replacement.
   
3. If after checking the motor with the device, you are convinced that it is working, then the cause may be faulty thermal relay, or step down transformer. These parts change to new without repair.
4. Check if the motor is not wound. small things, which could fly out during spinning and get inside the machine.
5. Unevenly laid underwear in the rotor causes the centrifuge to beat, and does not allow it to start.
6. If the activator and spinning motors do not work, check fuselocated inside the car behind the rear wall. It will not be superfluous to disassemble the electrical plug and check the contacts.

Modern SMP can not be called a simple device. Some malfunctions can be fixed only by a qualified technician - master. But, carefully following the above tips, slowly and carefully carrying out the required actions, you are able to repair the washing machine with your own hands! Despite the fact that the machine-semiautomatic often buy to give or other places where there is no water supply, for example countrysideShe also requires careful treatment. Observe prevention rules, and the machine will serve you without breakdowns much longer!