Question about Refrigerators
Posted by Anonymous on
Hi and welcome to FixYa. I am Kelly.
There is a very remote possibility that nothing has gone bad.. Sometimes the freezer drain gets clogged and the unit just continues to build ice. However.. most of the time there is an automatic defrost circuit problem that because it does not defrost automatically the ice builds up.
The problem can be caused by several components:
1. The defrost control
2. 60 deg bi-metal thermostat is open
3. Defrost heater has burned out.
4. Broke or heated / burned wire / terminal
5. Evaporator fan is not running full speed.
If you pass your make and model number, I can help you isolate the problem if your able to use a meter and do some basic mechanical work.
What you can for the moment is do a manual defrost... This makes a mess so be ready with the mop and rags. Here goes:
Manual defrosting the easy way.
UNPLUG THE UNIT
1. Remove the contents of the freezer compartment.
2. Block open the door.
3. Place a ;fan blowing into the freezer compartment for a little over 2 hours... (Messy part)
4. After the 2 hours and mess tending your manual defrosting is complete.
5. Reload the freezer and plug the unit back in.
6. Check temps in 4 - 6 hours.
You will need to go through this routine every 2 to 3 days... if you want your unit to keep the correct temps until the automatic defrosting problem is corrected.
Thanks for using FixYa.
Posted on Jul 12, 2010
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Posted on Jan 02, 2017
Tips for a great answer:
First some fridge 101, the refrigerator/freezer models cool by directly refrigerating the freezer section and the refrigerator section is cooled when "some" of the cold air from the freezer is directed over to the refrigerator side (typically by a fan) to keep food fresh and not frozen a temperature controlling damper opens and closes to regulate the temperature of the fridge by introducing more or below freezing air into the cabinet. In older models where the freezer was on top the air simply "gravity" drained into the refrigerator cabinet, if the food was too cold you turned the fridge knob up and less air sank from the freezer to the fridge, simple but effective.
When you adjust the temperature level it controls the freezer temperature and this turns the compressor on and off to keep the food frozen. There is typically a knob or lever and some even have electric dampers that open and close to direct more or less air from the freezer and direct it to the refrigerator cabinet based on your temperature requirements.
Now that you know how it works there are a couple things to check. If the condenser coil is plugged with dust the internal system pressure will rise and in some cases make the fridge an over achiever and can chill too much so check/clean the condenser coil. Check the freezer temperature control and turn in up, also make sure the fridge temperature control setting is not set too cold.
Finally as the temperature changes around the refrigerator it will have an effect on the inside of the fridge too so expect to turn it up and down as the environment changes, down in the summer and up in the winter.
Hope the novel helps to resolve your issues.
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