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Unit freezes up.......Freon Leak?

Unit freezes up.......from fresh start, Inoticed top third of coils gettig cold....bottom third cool and middle third nothing. air coming out is barely cool. then unit ices up after 1/2 hour. Thanks for your help

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  • 226 Answers

Your AC unit is low on refrigerant. It should be recharged. be sure to keep the filter cleaned all the time as well. If this is an inexpensive unit, it may be cheaper just to get another one, since a lot of people would charge around $100. to charge it. hope this helps you, Rick

Posted on Apr 18, 2009

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1 Answer

Ice forming


  • One cause of this is the compressor is going bad or Freon is low. The freezer is no longer able to achieve the zero temperature requiring the compressor to run continually. The refrigerator because of the continues running begins to freeze up. Food in the refrigerator begins to freeze and the freezer is not as cold as it should. This results in a very expensive repair of replacement of the unit .
  • The defrost cycle is not working. Depending on the conditions the unit has a sensor that detects when the defrost cycle should initiate. If this fails to occur than ice builds up on the coils and air can no longer pass preventing the normal cooling process. Many models use a mechanical timer that stops. On some units the defrost cycle can be initiated via advancing the mechanical timer. This repair is a reasonable expense.
  • The third possibility is a door was left open and the unit iced up the cooling coils. Suggest in that case shut off the unit , remove the food and allow the unit to manually defrost, Restart and see if unit gets cold and defrost cycle is working.

Nov 22, 2015 | Refrigerators

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Freezer does not freeze, but stays cold like bottom unit.


How to fix freon leak an refrigerator by replacing the whole evaporator coil and charge back up to proper level R134A Side by side. Not DIY fix. video

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My aw0893l air conditioner does not get cold. do i need freon?


Well first off is the compressor running? When you turn on the unit the fan will start. Turn the unit on to fan only. Then turn it into the cooling mode do you hear something else start? That would be the compressor. Remove the front panel so you can see the cooling coil (evaporator ) if it is freezing and has frost on just part of the coil top or bottom you have lost Freon or a system restriction.. One of the major problems with air cons is a very dirty or plugged condenser coil, which is the outside coil. If you have cotton wood trees in your area this is probably the problem.

Hope this helps Lynn

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Evaporator ices; unit does cool


TWO POSIBILITIES
ONE IN MAJORITY OF CASES IT IS A SYMPTOM OF A FREON LEAK, ICE FORMS ON COIL, UNIT MAKES NOISES AND IT WILL GRADUALLY LOOSE COOLING RUN NON STOP AND THEN IT WILL PRODUCE HEAT

SECOND
A BAD FAN ON THE COLD SIDE OF UNIT THAT REDUCES AIR FLOW PASSING BY THE COIL AND ALLOWS IT TO FREEZE, IN THAT CASE IT WOULD NEED A FAN REPLACEMENT, YOU MAY CONTACT THE MANUFACTURER FOR A REPLACEMENT FAN

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I have the 8000 WKL Breezaire it has started to frost up over and over. I turn it off to melt and it starts to frost as soon as it starts to cool the wine room. Why?


IF THE BLOWER ON THE COLD SIDE IS NOT RUNNING THAT WOULD BE THE REASON WHY THE COIL FREEZES UP AND IT COULD BE DUE TO A BAD BLOWER CAPACITOR LOCATED ON THE BACK OF THE UNIT LEFT SIDE (SMALLEST OF THE TWO OVAL CANISTERS), BUT IF THE BLOWER IS RUNNING ON THE COLD SIDE IT MOST LIKELYIS A FREON LEAK, AND UNIT NEEDS TO BE RECHARGED WITH FREON AFTER REPAIRING THE LEAK.

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Last couple of years if our thermostat is set below 74 the ac will freeze up. The last 2 years we had it checked out and were told that 1)coils might be going out and 2) needs more freon. Once freon was...


Hello
If your going to have all the freon taken out,this current tech needs to find the leak.

Clearly from what you have said the unit has a freon leak.Freon is put in by ounces or pounds depending on the size of the unit,then you need to get the correct operating pressures.Coils do not go bad they either get full of dirt or get a hole in them.

An 8 yr old unit is a tough call,surley a new one will probably save some electric and come with a warranty.I would get some quotes on a new one,then see how much i could spend.

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hello my is leroy, have u check the freon levels for the unit.

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Freezer and fresh food sides not staying cool.


If you truely have a leak in the system that would need to be properly taken care of if you ever want to return to normal operation. If the defrost timer goes bad usually you will completely freeze up the coils which causes air circulation problems and only the very lowest part of the freezer (and sometimes fridge) sections will freeze. The upper top of the unit won't be very cold. Same thing happens if the evap. fan (above the coils) goes out (no air circ.).

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Dehumidifier frosts up


A dehumidifier will often frost up if room temperatures are colder than about 65 degrees F. If your room temperature isn't this cold, airflow to the unit may be restricted or blocked entirely. 1) Be sure the unit is set far enough from the wall so that airflow isn't restricted. 2) Clean the evaporator coils. To do this, unplug the dehumidifier and take off the outer cover. Allow excess moisture to evaporate from the coils. Then, using a brush attachment on a vacuum cleaner, remove all dust buildup. If necessary, cover the motor and electrical parts with plastic sheeting and spray with water.

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