Indesit washing machine module - how to check and repair

Indesit equipment is quite popular among Russian consumers. Because it is high quality, modern and reliable. Despite this, like any other equipment, it can fail. This causes a lot of inconvenience to its owners. Especially if it's an Indesit washing machine. When its functions are disrupted and not performed, the amount of dirty laundry increases at a staggering rate.

How to repair?

How to fix it?

You can repair your washing machine yourself. But this will require certain knowledge in the field of electronics and electricity. The manual contains a section that provides recommendations for troubleshooting. But there are cases when the manufacturer recommends seeking help from specialists:

The warranty period has not expired. Thus, the washing machine will be repaired free of charge;
If smoke comes out of the machine. This can lead to fire, which is unsafe for human life.

In other situations, you can safely proceed with the repairs yourself. Thus, you will save money on the work of the master. After all, his services are quite expensive. In any case, you can seek professional help even after you try to fix the problem yourself.

The most common malfunctions are associated with the following mechanisms:

locking lock;
drum;
Indesit washing machine control module.

Fault diagnosis

In any household refrigerator, the following structural circuit systems can be distinguished: The refrigeration system itself - you can only climb here in exceptional cases, for example. Double-chamber refrigerators are more susceptible to such breakdowns than simple models with a single chamber. Current breakdown on the body If the body of the refrigerator begins to shock, this is a reason for serious concern and the beginning of immediate repair work. Self-repair is possible. If it still appears on the walls of the chambers, it means that the device is not working correctly.

Insufficient sealing of the chambers A simple breakdown - wear or damage to the sealing layer on the refrigerator door. In this case, the start relay will have to be completely replaced.

Problems with the backlight in the chamber If the backlight in the refrigerator is broken, most likely the standard 15 W lamp simply burned out. The standard temperature in the freezer of an absorption refrigerator is -6 Celsius, which means the ice cream will melt there.

First of all, the device must be immediately disconnected from the power supply.

However, the principle of operation of the entire system remains the same. The timer cam drum will slowly rotate, but the contacts are still closed.

It can be inverter and linear. To repair, you will need to remove the relay and disassemble its body; if the reason is a jammed rod, you can solve the issue yourself; if the winding is damaged, you will have to change the entire part. Repair of INDESIT No Frost refrigerator defrost thermostat (sensor). Dnieper

Indesit washing machine module: signs of malfunction

Before proceeding with repairs, it is necessary to study the device. This will allow you to correctly determine the breakdown. The first thing you should pay attention to is the electronic code that is displayed on the screen. It will indicate the error number. The following signs will also help you understand that the device is broken:

laundry is not wrung out;
indicators on the panel light up;

as soon as the water has accumulated, it is immediately drained;
washing does not end at the set time, but continues further;
program operation is disrupted;
drum rotation is not observed;
engine operation is disrupted;
water is not supplied at the temperature required by the selected program;

Thus, it is necessary to repair the Indesit washing machine module. Basically, replacement or flashing of some elements is carried out. These include thyristor, relays, varistors and others. And if the microcontroller fails, a new board is installed.

Design and principle of operation of the control board

This code is printed on 1 or 2 stickers on the module board, usually one of the stickers is located next to the module code sticker, and the second is on the reverse relay housings - see. Now all official service information is sent to service centers - it is often of very low quality and not always differs in the necessary completeness.

Reception and transmission of information bits is carried out upon receipt of a positive synchronizing signal SCK, which is formed in the active state of the pressure switch. Other reasons include excess soot, the presence of conductive feces of domestic pests cockroaches, mice, as well as short circuits through the body of insects or rodents.

This ensures that the possibility of another part burning out is greatly reduced. In most models, near the trigger there is a filter whose resistance is 20 ohms.

In fact, the real price of the modules is significantly overestimated.

So we got rid of the old equipment and made some money. In fact, this is a graphic display on paper, necessary to convey the connection between key elements, using conventional graphic, alphanumeric characters.

The reasons can be very diverse, for example, unexpected engine operating modes - it either spins at full speed, or barely cranks with effort. The cause may be burnt out contacts, but this rarely happens if the power supply is in order. Speed controller for commutator motor from washing machine with power support from Aliexpress

Indesit washing machine diagrams

The electronic module can be connected to the Indesit washing machine in three ways:

Separately with engine;
Combined with programmers;
Electronically. This is a modern option and is more common.

In order for the work carried out to repair the device to be fruitful and completed quickly, it is necessary to study the diagrams. They are included in the instructions and are fundamental. The module diagrams of Indesit washing machines differ depending on the equipment model W105TX and Wisl 82. They consist of devices that are interconnected and ensure the operation of the equipment. The W105TX and Wisl 82 circuits are shown in the photo below.

The machines consist of an anti-interference filter, a heating device, a pump, a hatch locking mechanism, a tachogenerator, an engine, a rotor, valves for water intake, various sensors, a relay that regulates the amount of water in the drum, and other things.

The control module diagram of the Indesit washing machine is the main thing that will help in the repair. Without it, it is almost impossible to understand the operation of the device.

Schematic diagram of the Indesit Full No Frost refrigerator

Otherwise, the compressor and pipes will go bad, which means a new refrigerator without options.

New rubber gaskets can be secured around the perimeter of the door using glue or epoxy resin. Repairs are sometimes possible in a specialized workshop.

In this mode, the timer is powered not directly, but through the heater and compressor winding. If it is tight or stuck, there will be a plastic plug on the axle at the front or back; perhaps under a company sticker.

If the blades of the device do not rotate, it should be replaced. It can be almost invisible.

I understand a little about electromechanics and I understand that the system seems to have remained the same and the principle is the same, but I would still like to know if that’s why the refrigerator didn’t have a repeat. If it is impossible to remove the tube, you should try to clean it with the brush included in the kit. Only the bimetallic thermostat 3 can turn off the timer.

This will help to operate the device correctly and extend its service life. You need to arm yourself with a level and correct the position of the device using the adjustable legs. Modern Indesit refrigerators operate almost silently. This way the refrigerator does not overheat. Whatever the reason, repairs should not be delayed.

Control board Most often, capacitors deteriorate due to constant voltage surges, so to prevent such repairs in the future, it is better to connect the refrigerator through a stabilizer. Since the cheapest and most reliable compressor drive will be a single-phase asynchronous electric motor with a magnetic start, it will require a starting and protective device in case of a starting circuit failure, see. The constant presence of foreign odors in the refrigerator is usually caused by a violation of the operating rules. It turns on again no earlier than after a minute and then turns itself off. Then let’s look: No Frost refrigerators most often also have a compressor fan.

The electrical circuit of the refrigerator that powers the fan is called, and the movement of the blades is tested. Of course, there is a big difference in the components, but the principle is the same and if you understand it, then it will not be difficult for you to deal with the malfunction. The kit, in addition to 2 L-shaped blanks for the seal itself, must include a pair of connecting flat corners and a tube of special glue. Therefore, below we will describe the typical structure of the most susceptible to failure components in interaction with associated ones and methods for their repair. Figure 4. Refrigerator wiring in detail without know frost

Indesit washing machine module: how to check and repair

Repairing an Indesit washing machine is not an easy task. To complete it, you need to know how to check and repair it. The cause of a breakdown can be not only improper operation of the device, but also many other things. So, the most common ones include:

Manufacturer defect. It appears during the first stages of using the washing machine. Therefore, the breakdown is repaired during the warranty period;

Faulty circuit devices. Poorly soldered tracks, etc.;
Uneven voltage supply. Changes will negatively affect the operation of the machine;
Penetration of moisture into the control system. It is necessary to dry it;
The handle that switches programs is broken or moves freely. To fix it, just blow out the sensor. If this does not help, then replace it with a new one;
The contact groups located on the surge protector are burnt. This problem occurs mainly in older models. This is caused by fumes accumulating while the machine is running. By removing it from the contacts, the problem will disappear;
The locking lock is broken. To restore its functionality, you can try cleaning it;
The cause of malfunction of the machine module is mainly a weakening of the belt. To correct the situation, the device must be disassembled and tightened. If this does not help, then install a new belt;
Problems also arise related to the breakdown of the electronic module when the grounding of the outlet from which the machine is powered is not reliable. It can also be caused by liquid getting on the device. This situation is typical for rooms with high humidity. To eliminate it, the electronic module must be replaced with a new one. Since it is very difficult to solder it with your own hands.
Sometimes the Indesit washing machine does not fill with water. To resume this process, check whether the supply valve is open. The level of water pressure is also determined. It should be within normal limits. In addition, they look to see if one of the hoses that supplies water is pinched. A dirty filter can also contribute to this situation. It must be rinsed well.

DIY repair

Let's look at troubleshooting on different models of Indesit machines.

Before repairs, the device must be de-energized!

Wisl 82 and Wisl 83

Sequence of actions for replacing the bearing assembly in a Wisl 82 washing machine with a plastic tank:

disassemble the device, remove the tank with the drum;
cut the tank along the soldered seam, divide;
knock out the bearings, install new ones, lubricate them, install the oil seal;
clean the drum;
glue the halves of the tank with sealant, tighten them with self-tapping screws and bolts;
After the sealant has dried, assemble the device.

Replacing bearings in a Wisl 83 series device:

remove the top cover
unscrew the powder tray fasteners, remove the valves from the supply hoses
get the tray
disconnect the supply hose, drain pipe
unscrew the shock absorbers
remove the sealing rubber of the hatch
remove the top counterweight
get the side of their body
remove the lower counterweight, engine, pulley.

Further repairs are carried out similarly to the described repairs for the Wisl 82 model.

Wisl 102

To replace the electronic display unit in the Wisl 102 model you need:

remove the top cover;
remove the powder tray;
unscrew the fastening bolts and remove the panel with control buttons;
disconnect the switch handles;
bend the fasteners from the back of the panel and remove the block;
insert a working module, install and fix the indicator panel.

Wisl 105

If the power supply of the control module on Wisl 105 is faulty (all indicators blink), the repair consists of the following:

remove the back cover;
remove the power control unit (located on the inside of the left panel at the bottom), remembering (taking a photograph) the wiring diagram;
remove the cover and inspect the board;
find a swollen capacitor;
unsolder the defective part and replace it with a working one (capacitor capacity 680 mF, 10 V);
assemble the unit, put it in place, connect the wires.

Wiun 81

To replace the UBL (hatch blocking device) on a Wiun 81 series unit, you need:

remove the door seal;
unscrew the UBL mounting bolts;
remove the UBL through the hatch, disconnect the wires;
install a working UBL, fix it;
dismantle the control module and inspect it (if the UBL is short-circuited, the board may be damaged);
replace faulty parts or the entire board;
assemble the block and return it to its place.

Wisl 103

To clean the drain filter of the Wisl 103 model you need:

remove the plastic apron at the bottom of the front panel, using a screwdriver;
place a water container under the filter socket;
Unscrew the filter and drain the water;
clean and rinse the filter, remove foreign objects from the slot;
install in place, tighten the thread until it stops;
put on a plastic apron.

Ws 105 tx

When you turn on a program with water heating on the ws 105 tx machine, the programmer handle rotates without stopping, and washing does not occur. Causes of the problem and repair:

The heating element has burned out.

extract, check contacts, call;
install the correct one.

Pump failure.

remove, check the integrity of the rotor, ring the windings;
or faulty parts, replace them with a new one.

Control board defective.

dismantle;
repair the damage or install a new one.

Wisl 85

The lock indicator of the Wisl 85 model flashes quickly, one of the modes flashes slowly. The reason is a breakdown of the engine, wear of the engine brushes. Repair work:

remove the back panel;
disconnect the wires from the motor;
unscrew the fastening bolts;
dismantle the engine;
ring the windings. If there is a short circuit, replace the motor;
remove the brushes;
Replace if severely worn. If minor, clean with fine sandpaper;
Assemble the engine and install it in place.

Iwsc 5105

The Iwsc 5105 machine does not drain water (code F11 - problems with the pump). Remedy:

disconnect the wires from the pump, ring them;
in case of breakdown - replace the wiring;
remove the pump, check the windings, inspect the rotor;
if the pump is working properly, remove the power control unit;
check the triac, resistors, relays. Replace defective ones;
start spin mode;
if the error remains, replace the unit.

Witl 86

To replace the heating element in the vertical model Witl 86 you need:

remove the right side panel;
disconnect the heater and temperature sensor terminals;
Unscrew the fasteners and remove the heater;
check with a short circuit tester;
replace the faulty one;
if there is no damage, clean off limescale with a solution of citric acid;
put the heating element and temperature sensor in place, connect the wires.

Iwub 4085

Sequence of actions to troubleshoot the Iwub 4085 electronic power unit:

open the back cover, remove the control unit;
connect the board to the computer, use a special program to check for errors in the memory block;
If there are no errors, reflash the device using the programmer. Firmware is downloaded from repair specialist forums;
assemble the block and put it in place.

Wiun 100

The Win 100 machine does not turn on, error F12 (no communication between the display unit and the control module), faulty module processor. Remedy:

remove the module;
connect to the programmer, upload the firmware;
if the computer indicates a processor error, replace;
solder the sp107156 processor (or its analogue) instead of the one that has become unusable (skill required);
assemble the block and install it in place.

Witl 1067

The Witl 1067 top-loading machine stops after starting. Reason: brush wear. Repair:

remove the right side panel;
unscrew the wires, unscrew the fasteners and remove the motor;
remove worn brushes from the brush holders;
insert new ones so that the bevel angle meets the technical requirements;
solder contacts;
clean the collector with alcohol;
install the brush mechanism on the engine;
install the engine in place.