SOURCE: Freezer Troubles
Skap, the question is whether the evaporator coils are completely frosted up or just the top section. Frigidaire has had a lot of issues with restrictions which would cause just freezing on the top half. I will attach some pictures. Your unit has an adaptive defrost. I believe that you can advance it into defrost by pressing the light switch 5 or 6 times. If you pull the bottom grill, there should be a tech sheet with the instructions behind it. Usually when this adaptive defrost unit fails, you will not have a freezer fan, for it runs through this adaptive defrost board. Your heaters are calrod and usually do not fail. They can become unplugged due to ice build-up. You can check to see if you have 120V getting to them after putting the unit into defrost. If not, check the defrost thermostat (bi-metal). If it's bulged, it's usually a bad sign. Defrost the unit with a hair dryer while unplugged. You have to remove the back freezer panel to get at the bi-metal, defrost the unit and check the drain pan.
SOURCE: freezer freeze up
Give me the complete model # from the sticker inside the fridge section and I can help.
SOURCE: Fridgidaire 18 cu new defrost timer and evap fan stil freezes
Did you replace the timer with the correct one for your refrigerator? If so you may need to check the defrost thermostat out.
SOURCE: Kenmore fridg pops circut breaker,
Sounds like a shorted heater. You advanced manully, unit runs till timer goes to defrost. Timer contacts switch, defrost heater shorted trips breaker.
SOURCE: Frigidaire side by side - replaced defrost timer.
Good day,
Sounds like a bad timer to me. Forget the tstat. Power comes from the power cord and goes directly to the tstat. The tstat sends the power to the timer where it is directed to either the compressor or defrost heaters as needed.
Recheck your plug connector to the timer carefully. I have installed many timers that did not work, or work right, right out of the box.
As well, to cover yourself, I would replace the defrost tstat which is located behind the rear panel in the freezer compartment.
It's a small round disk clipped to the top of the cooling coil, and is the component that is by far, the component that fails most often.
Check the connections to the main heater as well, while your in there.
The defrost tstat looks like this.
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