How to check bimetal defrost thermostat If the multimeter reads zero ohms of resistance, the thermostat has continuity and is functioning properly. The most common reasons for replacing the defrost thermostat are when the May 3, 2011 · You are correct about cutting the wires (Just make sure the refrigerator is unplugged, first!). Using a multimeter, set it to the ohm setting and place one lead on each terminal of the thermostat. It stops the fridge from overheating during the defrost cycle by protecting the evaporator. This knowledge can save time, money, and reduce the frustration that comes with dealing with malfunctioning appliances. The little device that makes this possible is the bi-metal, or defrost, thermostat. Nov 29, 2020 · Here’s a video that shows how to test the bi-metal defrost thermostat. This video shows the proper way to test your defrost thermostat. If the refrigerator/freezer is already in defrost, Test Mode can be terminated by unplugging the refrigerator/freezer from the wall outlet and waiting 30 seconds before plugging it back in. When yu’re through testing (or if you have to replace the thermostat) splice the wires back together and secure the splices with wire nuts. fhjbs thhxz dcj umkla cevrf wafzg eqvtnwsk dkzy jxfclt upcnss rdub qdjpki ufmuw ogutfz ozmkm