How do you test a refrigerator thermostat?

Set your multitester to the R X 1 ohms setting. Place each of the multitester’s leads on a thermostat wire. When your thermostat is cold, it should produce a reading of zero on your multitester. If it is warm (anywhere from forty to ninety degrees Fahrenheit), then this test should produce a reading of infinity.

How do I know if my fridge thermostat is working?

If food freezes inside the fridge or its compartments, the cause may be a faulty thermostat. You can use an appliance thermometer to check the thermostat, or try increasing the temperature a couple of degrees. Then wait a day to check whether the food has become unfrozen.

Can you bypass a fridge thermostat?

Although replacing the thermostat is a fairly simple process, if the weather is hot and you are pressed for time, you can bypass the bad thermostat and keep your refrigerator working on a temporary basis until you find time to pick up a replacement.

Can a fridge work without thermostat?

You can run a fridge without a thermostat. A thermostat is just an on/off switch for the compressor. When the temp reaches the point that you set it at, it goes one. Generally, it goes off 2 to 3 degrees below that point.

How do I fix my freezer thermostat?


  1. Disconnect the electrical power. Unplug the freezer or shut off the circuit breaker for the freezer.
  2. Remove the control knob.
  3. Remove the grille cover.
  4. Remove the cold control thermostat.
  5. Install the new cold control thermostat.
  6. Reinstall the grille cover.
  7. Reinstall the control knob.
  8. Restore electrical power.

What are the symptoms of a bad home thermostat?

4 signs your thermostat is bad

  • Sign #1: Your thermostat has no power or is unresponsive.
  • Sign #2: Your heater or A/C won’t turn ON.
  • Sign #3: Your A/C or heater runs constantly and won’t turn OFF.
  • Sign #4: Room temperature and setting don’t match.
  • Step #1: Make sure thermostat is on the right setting.

How much does it cost to fix a fridge thermostat?

What Are Common Refrigerator Repair Costs?

Repair Average Cost
Refrigerant leak repair $200 – $300
Control board replacement $80 – $800
Thermostat replacement $100 – $440
Coils replacement $100 – $440

To check if the thermostat is working fine, a simple test is required. In this test, an ohmmeter, water, ice, and a container will be needed. Set the device to the lowest scale, which is one in most cases. Make sure that the pointer points at zero initially. The thermostat is located just at the back of the dial.

How do you change the thermostat in a refrigerator?

Secure the new thermostat to the evaporator tube, then attach the two connecting wires to the terminals. Replace the panel cover and plug in the refrigerator. Adjust the temperature dial within the fridge to test the operation of the new thermostat.

How to troubleshoot the refrigerator thermostat?

How to Troubleshoot a Refrigerator Thermostat Check the easiest and most common potential causes first, which is the best course of action in any troubleshooting case. Unplug your refrigerator. Next, locate the control panel where the thermostat is located and remove all of the items near it so you can work. Remove the plastic cover that protects the controls. Turn the dial to the coldest setting.

How does a thermostat in a refrigerator work?

The thermostat controls the refrigerator’s cooling system . It maintains the electricity flow to the cooling compressor. When it is too cold, the thermostat disengages and powers down the cooling compressor. When it is too hot, then the thermostat switches the compressor back on.