Question about Frigidaire FRS3R5EMB Side by Side Refrigerator

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Will a burned out defrost heater cause the refrigerator section of the side-by-side Frigidaire to stop cooling? I have relpaced both the thermostate and the defrost control. Frige still not cooling/freezing.

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Good day,
Only if there is a build up of frost on the evaporator coil behind the rear panel in the freezer section.
I don't know what thermostat your describing, but the one controlling the defrost system is mounted on top of the evaporator coil. it looks somewhat like this.

Will a burned out defrost heater cause the - adfbe4b.jpg
It must work. It can be tested with an ohm meter as long as it is cold. It should read zero ohms. As well the main heater can be tested with a meter. It should read 35 ohms or less. If either one tests bad, replace.
Once again, this approach is only for a situation where the evaporator coil is iced up. If not......
Other causes could be the fan motor not running. It is in the same area.

Lastly, there is a motorized damper located in the top left side of the fresh food compartment. It should be throttled open to allow cold air into the food compartment from the freezer.

Posted on May 06, 2010


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