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My freezer defrosted, and did not get cold again. i shut it down for a few hrs.and turned it back on and it returned to normal freezing. could the defrost cycle have gotten stuck? this is a self defrosting unit.
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There are a few possibilities. Freeze-ups are a result of the unit either not having sufficient airflow or the compressor running too long and too often. As you note the fan is good, chances are airflow is not the issue. There are a few quick items that you can check on:
1. Check door seals. Leaks will cause the interior to lose cooling faster and result in compressor overloading.
2. Do not overload the freezer. Too much inside the freezer will cause loss of airflow INSIDE the unit and can cause issues.
3. Avoid putting too much unfrozen material into the freezer at once. It takes a lot of work to remove all the heat from a large amount of material.
4. Avoid multiple opening and closing of the door. Upright freezers are inefficient as they lose all their cold air as soon as you open the door. Chest freezers do better if you must go into the unit often.
Lastly, undercharged refrigerant system can cause the same issue. If you don't have any of the other problems noted, have a serviceman check the refrigerant and fill the system as needed.
pull the plug and let it defrost. ck the drain for water. it maybe pluged. after 2 to 4 hrs. plug it back in and set the temp. to -10 degrees f . fill small dish or bowl with water and see how long it take to freez. if it takes longer then 4 hrs you may need freon or have a compreesor problem, or defrost timer .
every 6-8 hrs your ref. goes into a defrost mode. sounds to me like your fridge is getting stuck in defrost, may want to replace defrost timer roughly 18-45.00 dollars depending were you live. also ive seen a few that the electrical cord in back were it goes into ref mid way up to the left behind cover can have some loose connections back their; remove panel covering and inspect. becuz if its the timer it wouldnt cause the light not to work so it may not be your timer if the light it turning off.also make sure your outlet is good and the prongs on power cord are not loose. hope this helps
How to check
everything http://www.acmehowto.com/howto/appliance/refrigerator/refrigerator.php
If the evaporator coils behind the back panel of the freezer
are icing up because of auto defrost failure that will stop the circulation of
cold air and eventually affect the freezer too.
check defrost timer, defrost heater, defrost thermostat. In
most newer models the timer has been replaced by an electronic control board.
If the heater and thermostat are ok it’ll be the control.
You can turn the defrost timer till it clicks
and everything shuts down. The heater should now come on. If it does, replace
the timer. If it doesn't, check the heater and defrost thermostat. Turn the
timer again till everything starts back up to end the defrost cycle.
Your evaporator coils frost up in normal use
and every eight hours or so the entire unit shuts down and the defrost heater
comes on to melt the frost. This cycle last about 20 minutes. The melted frost drips
into a drain pan and through a drain tube to the drain tray under the
freezer/refrigerator where it's evaporated by the condenser fan.
How to check
everything http://www.acmehowto.com/howto/appliance/refrigerator/refrigerator.php
If the evaporator coils behind the back panel of the freezer
are icing up because of auto defrost failure that will stop the circulation of
cold air and eventually affect the freezer too.
check defrost timer, defrost heater, defrost thermostat. You can turn the defrost timer till it clicks
and everything shuts down. The heater should now come on. If it does, replace
the timer. If it doesn't, check the heater and defrost thermostat. Turn the
timer again till everything starts back up to end the defrost cycle.
Make sure nothing is inhibiting air flow. I don't think it is advisable to store food in an ice machine however that is not likely the problem unless the food itself is inhibiting air flow. Most ice machine manufacturers recommend against storing any food in an ice machine. If there is a freezer component in you model the check to see if the evaporator coils are frosting up and the frost is blocking airflow causing the ice storage chamber to get warm. High humidity can cause frosting. Leaving a door to the ice maker open too long can cause frosting. A low refrigerant charge can do this although it seems logically like it should not. With a very slightly low charge one end of the evaporator gets super cold and the other end is not cold enough. Frosts starts collecting on the super cold end and accumulates across the evaporator coil to the other end eventually blocking all air flow. With too much humidity from open doors frost accumulates over the entire evaporator evenly but still blocks. You shut the unit down. It thaws out and works OK on restart until frost again builds up. If its not a frosting problem but it just stops making ice then the ice may not be releasing. Check the water supply and change any filters to insure good water flow. A good water supply is required for proper release and harvest of the ice in many ice machines. If the ice doesn't release it takes a shut down and thaw to clear the suspended ice out. Check for these things and write back if you need further assistance and can provide me with more details.
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