How to Repair and Change Fridge Thermostat by Yourself

Nov 30,2023 - 09:41  Reading:223

Indoor regulators are broadly utilized in different domestic machines, such as fridges, water containers, water radiators, coffee producers, etc. The quality of the indoor regulator specifically influences the security, execution, and life expectancy of the complete machine, and could be an exceptionally basic component. Among the numerous specialized markers of indoor regulators, life expectancy is one of the foremost imperative specialized markers for measuring indoor regulator items.

On the off chance that the fridge does not cool, does not cool automatically, or keeps cooling but does not halt naturally, it is likely that the indoor regulator within the fridge is defective. In the event that the fridge does have a indoor regulator disappointment, supplanting it with a unused indoor regulator can reestablish the fridge to ordinary operation. It costs almost US$200 to ask a repairman to come and replace the fridge indoor regulator, whereas the price of an standard fridge indoor regulator is as it were some US dollars. On the off chance that you'll be able supplant it yourself, you may spare cash and work out of your possess hands-on capacity. What almost getting a charge out of a DIY?

Let's take the fridge's mechanical thermostat as an example to share the thermostat repairing method.

Tools and accessories before replacing the refrigerator thermostat

Fridge, thermostat, screwdriver

Steps to replace the refrigerator thermostat

Step 1: Identifying the thermostat location

Open the fridge and pay attention to the lighting in the upper compartment.

Fridge thermostats are often installed in light fixture housings.

Step 2: Open the lamp Complex Cover

Use a screwdriver to remove the two retaining screws on the thermostat cover.

Step 3: Take out the lamp cover

Grasp the outer thermostat cover with your hand and pull gently to remove the cover.

Be careful not to use too much force to avoid tearing the wires.

The inner end of the outer shell is secured by a slot so do not push in or remove the outer shell.

Step 4: Remove the built-in fridge thermostat

Use a Phillips screwdriver to remove the two screws holding the thermostat in place, then carefully disconnect the four wire plugs connected to the thermostat 

(remember the colored wire plugs was plugged into the thermostat before you unplugged it).

 the connector lights up, you can also take a photo to remember the wiring method).

 (If a qualified thermostat accessory is not available, you can examine the thermostat to check the brand and model, so that you can purchase a same/similar thermostat.

Step 5: Taking out wire sensor

Gently  and slowly pull out the sensor wire. The wire sensor is installed on the inside wall of the refrigerator (the temperature control tube is usually tens of centimeters long), and then the thermostat assembly is removed.


Step 6: Install the new thermostat

Installation steps are reverse of the steps to remove the old thermostat.

 First, install the temperature regulation tube on the inside wall of the refrigerator;

then insert 4 different colored wire plugs  into the corresponding connectors on the thermostat;

then use screws to fix the thermostat on the outer shell; Push the bayonet end of the outer shell flat.

 In the card slot, the other end is fixed with screws.

 At this point, the installation is complete.

Step 7: Try on the fridge with newly installed thermostat

turned the machine on to test and everything was normal and the thermostat was successfully replaced.


1.  Before disassembling the refrigerator thermostat, you should disconnect the power supply to the refrigerator to avoid electric shock accidents.

2.  When installing the new thermostat and connecting the wires, the four wiring plugs must be inserted into the corresponding positions.

3.  If you DIY poorly and have low confidence, don't try.  If you have any questions along the way, don't hesitate to ask for advice or seek the services of experts.