Bosch Refrigerator Error Codes

Bosch Refrigerator Error Codes

Bosch Refrigerator Error Codes

Bosch refrigerators are equipped with a special electronic display system, it automatically detects types of breakages occurring in the technology, displaying an error code on the screen.

E1 – malfunctions in the refrigerator chamber sensor, this code indicates that it is necessary to check the control module, or replace the sensor;

E2 – malfunctions in the operation of the temperature sensor of the evaporator (refrigerating chamber);

E3 – error in the operation of the freezer, namely the temperature sensor;

E4 – this code warns of malfunctions in the condenser temperature sensor of the freezer.
Error codes help to determine where the fault occurred, therefore, when calling repair specialists, the customer can immediately sound the error code over the phone. This will allow the master to select the right set of tools and details, as he will know what he will have to face.


During the operation of the Bosch Refrigerator, users can face a wide variety of faults. If the problem is serious, you need to call a qualified specialist, to understand the failure of such a serious unit, stuffed with electronics, like Bosch, it is impossible.

Let’s single out a few basic malfunctions of the technique:

The refrigerator does not turn on and does not turn off;
The formation of high humidity inside;
Leakage, cooling does not work;
The freezer weakly frosts or does not work.

This is only a small part of the breakdowns, which often happen with the Bosch technique. In many cases replacement of defective parts and elements of the refrigerator is required. In the absence of cold, the problem may be the failure of the motor-compressor or the start-up relay, they must be replaced.

The user may notice that in the freezer the big “fur coat” began to be intended, to complain about too loud noise of the unit, malfunctions in the cooling system of the freezing or refrigerating chamber.

Another problem is not the hermetically sealed door of household appliances and the appearance of unpleasant odors in the cell. Whatever the malfunction, there is only one way out – a call to the service center. An experienced specialist will determine the cause and eliminate the breakdown.


The list of reasons why Bosch appliances is out of order is as large as the list of faults. Let’s note the most frequent reasons fixed by the master:

Wear of the unit (if used improperly or due to a considerable age);
Voltage fluctuations, leakage of freon (one of the most common causes);
Failure of the starting relay and thermostat;
Error in the Not Frost system or malfunctions in the compressor control system.
An experienced master can determine the cause of the malfunction by the first signs. Has moisture increased inside the chambers? Such consequences are usually caused by a leak of refrigerant. Is the refrigerator freezing? The cause can be covered in a faulty thermostat or control module.

Repair of Bosch refrigerators may require the replacement of any elements, so the service center must have its own spare parts warehouse for prompt repair and replacement.

Modern models of Bosch refrigerators are equipped with systems of protection of equipment from differences in the network, but they can not guarantee 100% safety at strong overvoltages. To minimize the possibility of damage to the unit, you must follow the operating rules recommended by the manufacturer and perform manual defrosting of the refrigerator (at least once every 3 months).

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