Test Defrost Thermostat. How to Test a Refrigerator Defrost Thermostat (BiMetal Switch) with On other models, the thermostat clamps around the evaporator tubing Test for continuity: Check using an electronic measuring instrument
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To test the defrost thermostat, you will need a few basic tools A defrost thermostat plays a crucial role in the operation of a refrigerator or freezer by regulating the defrost cycle.When the temperature inside the appliance rises above a certain level, the thermostat triggers the defrost process, which melts any accumulated ice and frost on the evaporator coils
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The most essential tool is a multimeter, which measures voltage and resistance If the thermostat is good and the temperature is below the preset threshold, the multimeter should beep (indicating continuity) Place each of the multitester's leads on a thermostat wire.
Are Defrost Thermostats Interchangeable Your Home Associate. On other models, the thermostat clamps around the evaporator tubing If the thermostat is good and the temperature is below the preset threshold, the multimeter should beep (indicating continuity)
Troubleshoot & Fix Defrost System Problems In Refrigerators. When the thermostat has a consistent reading, you should see a Ohms setting of 0 The most essential tool is a multimeter, which measures voltage and resistance