Electromagnetic relays. Types and work. Device and application

Modern models of Atlant and Indesit refrigerators have an electronic control system that provides several optimal temperature conditions. Once the choice has been made, the user no longer has to worry about adjusting the temperature inside the refrigeration unit. Additional functions (holiday, quick freezing) greatly facilitate the operation of this household appliance.

Refrigerator relay
Refrigerator relay

Unfortunately, a refrigerator equipped with such technology becomes more sensitive to electrical fluctuations, which leads to its premature breakdown. The only way out of the situation is to carry out repair work, many of which can be done independently.

There can be many reasons, so before starting repairs, it is necessary to determine the place where the sudden problem was localized. This requires diagnosis. If you don’t have the necessary skills, you need to call a professional technician.

Compressor device

About verification

This procedure is necessary if there are problems starting a household appliance. Ignoring them will lead to its complete exit from the operating mode. It is easier to prevent serious violations by checking the start relay in a timely manner. This part is necessary to prevent malfunctions if the temperature drops.

Changes lead to the closure of the contacts of the thermostat, as a result of which the starting relay starts the motor-compressor. All this happens in 2-3 seconds. If the expected reaction does not occur, that is, the motor does not go into operating mode, all that remains is to carry out diagnostics and correct the problems that have arisen. You can do this yourself or with the help of a wizard.

Rear panel of the refrigerator

To check the refrigerator start relay, you must follow the instructions:

  1. We carry out a visual inspection of the mechanism. The start relay will function as expected if locked in a vertical position. Otherwise, the core, which is part of the coil, will not have time to retract within the allotted period of time. To avoid errors, there is a special mark on the device. If the relay is in the correct position, then the error should be looked for elsewhere.
  2. We place the mechanism on the desktop for further manipulations:
  • relays of the RTK-X and RTP-1 brands are placed with the arrow pointing down;
  • place the part with the designation LS-08B with its back surface facing up;
  • The DXR device is placed so that the terminals are visible.
  1. Check for contact between terminals

This can be done using a tester. Particular attention should be paid to nests. If there are traces of combustion on them, then there is no point in further diagnostics. The starting relay can no longer be repaired. It is no longer possible to restore its functionality.

  1. If there is no connection between the contacts, we proceed to clean them

To carry out this procedure, use sandpaper and a cloth moistened with an alcohol solution.

  1. We consistently inspect and check all other spare parts (rod, coil, core), while simultaneously getting rid of corrosion and contaminants.
  2. We assemble the starting relay in the reverse order (if there is no visible damage) and insert it into the refrigerator.
  3. We are conducting a test run of the household appliance.

If the result is zero, then the start relay requires replacement, but before buying an original part for the Indesit or Atlant unit, you need to check the refrigerator without a relay. It is possible that the fault is localized in the Aspera motor-compressor. Before checking the start relay at home, watch the video.

Relay test

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Home » The best » Removing the fuel pump Opel Astra h 2006
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Checking the performance of the compressor without a relay

To implement the plan, you will need a device consisting of a two-core wire, a bell button, alligator clips (3 pieces), and a plug (example in the photo). Thus, it is possible to connect the refrigerator without a start relay, without ignoring the overheating protection.

Next, you should disconnect the refrigerator from the power supply; change the terminal contacts on the starting relay, guided by the electrical diagram of the household appliance; enter the thermostat into operating mode; connect the household appliance back to the network.

Relay location

If the Indesit (Atlant) refrigerator starts up as expected, then the problem is clearly in the trigger mechanism. If there is no response from the unit, the fault lies in the Aspera motor-compressor.

Opel Frontera fuses

Car fuses up to the end of 1995 are shown. The rated current of the fuses is given. Fuses protect the following circuits:

1 - F10E, rated current 10 A, left headlight, range adjustment, high beam warning lamp 3 - F8E, rated current 15 A, fog light 4 - F7E, rated current 20 A, fan 5 - F6E, rated current 15 A, fuel pump (2.0 l engine until mid-1995 and 2.4 l engine) 6 - F5E, rated current 10 A, headlight washer 7 - F4E, rated current 10 A, horn 8 - F3E, rated current 10 A, hazard warning light

Relay/fuse box for models between mid 1995 and late 1997. release corresponds to the location of the fuses in the block. Some fuses perform other functions: 1 - F10E, rated current 10 A, left headlight, range control, high beam warning lamp 2 - F9E, rated current 15 A, right headlight, low beam 3 - F8E, rated current 10 A, fog light 4 - F7E, rated current 25 A, fan, air conditioning compressor clutch 5 - F6E, rated current 25 A, fuel pump (2.0 L and 2.2 L engines from mid-1995) 6 - F5E, rated current 25 A, early cars release, 30 A for late production vehicles, headlight washer, horn, engine diagnostics 7 - F4E, rated current 30 A, air conditioning fan, right 8 - F3E, only for diesel engine 9 - F2E, rated current 10 A, parking light and tail light left, instrument panel lighting, switch and cigarette lighter 10 - F1E, rated current 10 A, parking light and tail light right 11 - FL3, rated current 30 A, parking light and tail lights

12 - FL1, rated current 60 A, main fuse FL2, rated current 60 A, headlights, secondary air supply system for 2.2 l engine (from mid-1995).

The following fuses are installed on vehicles produced in 1997:

1 - F10E, rated current 15 A, high beam right, high beam emitter right, high beam warning lamp 2 - F9E, rated current 15 A, high beam left, spotlight left 3 - F8E, rated current 25 A (diesel engine only ) 4 - F7E, rated current 30 A, fan, air conditioning fan 5 - F6E, rated current 25 A, fuel pump (2.0 L engine from mid-1995 and 2.2 L engine) 6 - F5E, rated current 25 A, fan , air conditioning capacitor 7 - F4E, rated current 10 A, low beam right 8 - F3E, rated current 10 A, low beam left 9 - F2E, rated current 10 A, parking light and tail light left, instrument panel lighting, switch and cigarette lighter buzzer, “Light on” buzzer 10 - F1E, rated current 10 A, parking light and tail light right

These motors have fuses (11) and (12) protecting the following circuits: 11 - FL3, rated current 30 A, parking and tail lights, fog light FL4, rated current 30 A, radiator fan 12 - FL1, rated current 60 A, main fuse, heater relay, air conditioning FL2, rated current 60 A, headlights

The second fuse box is located under the instrument panel (illustration Fuse box). The rest of the fuses are located here. The purpose of the fuses depending on the year of manufacture is as follows:

Until the end of 1995 release:

1 - 10 Amp rating, central locking 2 - 10 Amp rating, brake light 3 - 10 Amp rating, interior lighting, radio, clock 4 - 15 Amp rating, heated rear window (1992 model year), 20 Amp from 1993 release 5 - fog light 6 - windshield wiper, rated current 15 A until 1992 release, 10 A from 1993 release 7 - rated current 15 A, instrument panel warning lights, turn signals, heated exterior mirrors, heated front washer nozzles, "Lights on" buzzer 8 - heated front seat, rated current 10 A until 1992, 15 A from 1993 9 - ignition system 10 - rated current 10 A, rear window wiper and washer

13 - rated current 30 A, power window switch, cigarette lighter

15 - spare fuse 16 - spare fuse 17 - spare fuse 18 - unoccupied

Early vehicles: horn, heated front windshield washer nozzles

10 - rated current 10 A, rear window wiper and washer 11 - rated current 30 A, power window, left 12 - rated current 30 A, power window, right 13 - rated current 15 A, power window switch, cigarette lighter 14 - rated current 10 A, ABS warning lamp 15 - 17 - spare fuse

Fuse box since 1997

Malfunctions of the Indesit unit

You need to check the Indesit refrigerator relay when the temperature rises in both the freezer and refrigerator compartments. It is quite possible that the order of movement of the refrigerant, which is regulated by the compressor, is disrupted. This can be caused by a malfunction in the starting mechanism, one of the symptoms of which is startup interruptions.

Such problems are caused by “sticking” contacts, incorrect connection of terminals, or failure of the temperature sensor. The receipt of incorrect information at the start relay causes the motor-compressor to go into standby mode, as a result of which the air temperature in the refrigerator rises. Also, the decrease in the performance of a household appliance is often caused by the owners themselves by using it incorrectly.

Self-repair or diagnostics is also a risk, since unintentional damage to any part can take the Indesit unit out of operating mode. Therefore, in order to check the refrigerator compressor relay, it is better to call a technician from the service center.

Problems with the Atlant unit

The compressor is the main element of the system. It consists of an electric motor with valves and pistons; start relay and internal winding. This device is responsible for reducing the temperature due to the effect of freon. The motor-compressor regulates its circulation. Freon moves from the condenser to the evaporator, passing through a capillary pipeline and a filter drier.

The Atlant refrigerator relay should be checked even if there are minor problems with connecting the compensator. The motor of a household appliance runs on alternating current, as a result of which three outputs are located in the trigger mechanism. Operation of a refrigeration unit is impossible without a relay, so if it fails, its functionality is lost.

Similar complications also arise due to engine combustion and cable rupture. Checking the start relay is not difficult. The main thing is to have all the necessary tools, an electrical diagram of the refrigerator and experience in carrying out repair work.

How to Remove the Fuel Pump on an Opel Astra H ~ AUTORUSERVIS.RU

Opel Astra H 1, 8 AT COSMO › Logbook › Replacing the fuel pump

Apparently my fuel pump was coming to an end, because... after long trips, especially in the heat in the summer, and also on an uphill climb, the traction began to disappear from time to time. There are no errors at all... In addition, the roar of the fuel pump motor appeared.

So, having assessed all these above reasons and multiplied all this by the year of manufacture of the car, I received a logical answer - replacing the fuel pump! Apparently he's already tired...

I ordered a unique BOSCH No. 0580314195.

It arrived in this unsightly box 5 days later:

After checking, I began to disassemble the interior to get to the fuel pump:

1. Removed the rear sofa seat

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