What is thermic refrigerator? Causes and how to fix broken thermic

When the thermic of the refrigerator is broken, your refrigerator will appear to have symptoms such as weak cooling or not working. Join Dien May Xanh to find out what thermic refrigerator is, the cause and how to fix it!

What is thermic refrigerator?

Thermic refrigerator, also known as the sensor bulb, is located at the indoor unit location. It is connected to the thermal relay at the indoor unit by a long capillary. Inside the sensor bulb contains a liquid, when this liquid encounters cold temperatures, it will contract and expand when the temperature is heated.

In addition, the role of the refrigerator thermic is to monitor and control the operating temperature of the refrigerator at the most optimal level. Therefore, if thermic has a problem, it will cause the refrigerator to malfunction, or moreover, the refrigerator will stop working.

However, if not used in the refrigerator, usually thermic (thermal relay) will be a switch used to ensure the safety of all electrical equipment such as: electric motor, microwave oven, air conditioner block or refrigerator block,…

Signs to identify the refrigerator thermic is broken

The basic sign to recognize a broken thermic is that the refrigerator block is stopped unexpectedly, not in accordance with the normal operating principle of the refrigerator.

Besides, when the thermic is damaged, there will also be other signs such as: the refrigerator is less or not cold, the food stored in the refrigerator is rancid and damaged, …

Cause the thermic refrigerator is broken

Although today’s refrigerators vary in make and brand, they all have the same reason for the failure of thermic refrigerator.

Specifically, the cause of the failure of the refrigerator thermic is due to the failure of the bimetallic bar or the poor contact of the bimetallic bar to make the rod large and open.

How to fix a broken refrigerator thermic

When the thermic of the refrigerator is damaged, it is imperative that you replace it completely. Because this is a difficult case to fix, it cannot be repaired or replaced at home. The best way, you need to contact a reputable warranty center to promptly replace the thermic with a new one for your refrigerator.

Check the functions of the refrigerator when thermic has been repaired

After the thermic has been replaced, you need to check the functions of the refrigerator, to make sure your refrigerator is working properly, specifically as follows:

• If the refrigerator is working properly, when opening the refrigerator door, you will hear the sound of gas splashing in the indoor unit.
• The compression piping element will begin to heat up and the heating temperature must be gradually reduced thereafter, until the refrigerator filter is left with only warm air.
• The refrigerator works normally, you can hear a slight noise of the relay box right after plugging it in for 0.5 – 1s.
• The temperature relay is adjusted to the position corresponding to the smallest number, after a while the refrigerator must stop working. Besides, when the temperature rises, the refrigerator will operate as smoothly as before.

Through this article, hopefully you will understand the cause and know how to fix the thermic of a broken refrigerator. If you have any questions, please leave a comment below to be answered!