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Some ac coils not cold

Coils on my ac at the bottom are cold however the loops at the top are not .Am I low on freon??

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Is this an external coil? ie condensor?

Posted on Jun 27, 2009


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I have a fedders ac unit that does not put out cold air only for a couple of minutes. model # A2Q06F2BG-D can i add freon


Hello, you can add freon by installing a piercing valve on the low side of the system. Before adding freon I would check and make sure the air filter and both coils are clean. If everything is clean then most likey the unit has a leak and is low on freon.

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Why does my AC keep freezing (Carrier FB4ANF036). I have replaced the blower motor less than a month ago due to the same problem. Just last night we had a lightening storm and shortly after that the AC...


if your system is a heat pump you can switch to heat and see if coil outside gets cold while indoor blows warm air - then switch back to a/c - both coils should not be cold at the same time - low freon pressure / dirty coil / dirty filter / low air flow causes freezing

Sep 22, 2009 | Carrier Heating & Cooling

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Upright freezer


If it has a fan in the freezer it need to be running to circulate the cold air.
If the coils are not icing up evenly from top to bottom you have a system low on freon.
The light frosting is normal.
A model number would really help to troubleshoot the problem.

Sep 19, 2009 | Frigidaire 13.7 cu. ft. / 388 liter...

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Top coil is freezing up, the remaing coils are not getting cold.


low on freon or plugged to the point of where the frost stops on the evaporator. Evaporator should fully frost up on all coils...

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AC not blowing Cold Air


take ac cage off or ac out of window so insides are exposed take out side and use water hose and clean out side coils and in side coils dont bend these coils or u will be sorry,,,clean out good if not stoped up have freon put in

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Have Rheem 5 ton heat pump with stacked coils poor cool.


If your sure on the psi your low on freon or your evaporator is restricted discharge psi would realy help.you will get best performance with a clean unit or pay expensive utility bill . Tom

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The temperature is reading about 30 degrees in the freezer bottom. refrigerator portion is ok.


The compressor cycle is controlled in the fresh food compartment. Cold air is forced from the freezer compartment to the fresh food compartment. The air flow is controlled by the fresh food temperature dial.

One of the most common causes of refrigerator inefficiency is dirty condenser coils. These are located on the bottom of the refrigerator behind the front kick panel. A small fan (usually in the back of the unit behind the coils) draws air over the coils to cool them and condense the freon back to a liquid to be recycled through the refrigeration loop. You would not believe how much dust and dirt can accumulate on these coils in a relatively short period of time.

If the coils are dirty, they prohibit air from carrying off the heat and the freon is not fully condensed, thus when it reaches the evaporator, the heat carrying capability of it is severely diminshed. Cleaning the condenser coils is a free (albeit somewhat dirty) fix and you wouldn't believe the difference it can make. I've seen coils so dirty I could literally grap handfuls at a time. Special brushes are made for this task, but anythng is better than nothing. A vacuum is recommended so that you're not just spreading the dust and dirt around, but actually removing it.

A slight possibility is that the condenser fan (the one that pulls air over the coils) is burned out. See if you can see it from the front or if not, pull the refrigerator out and remove the back panel. You can also get to the back of the coils better from the back. The coils are usually a horizontal V-Shape, which makes them all the more difficult to clean since they are so close to the floor and the bottom of the interior shell.

Good luck. I hope this free fix helps. You'll be AMAZED at the impact this will have on the refrigerator's operation, and it'll also save you money since the compressor running at top efficiency will no longer need to run as long.

Jun 11, 2009 | Amana ABB1927DE Bottom Freezer...

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


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

Apr 18, 2009 | Heating & Cooling

1 Answer

The coils are frozen solid in freezer behind back wall


frozen coils not always means freon problem. low air flow across evaporator coils could cause freeze up. if door is opened and closed an abnormal amount could cause a freeze up or even something pushed up against the air intake in the refridgerator. i would thaw it out completely and restart it, theres a chance it was nothing major. good luck

Jan 12, 2009 | Hotpoint HTS20GCNWW / HTS20GCNCC Top...

1 Answer

Ac will not cool off


There are only 2-choices for this problem,,, 1= low on freon or 2-low air flow across the indoor coils which can be caused by dirty filter--- dirty fan blades and last but not least , dirty or plugged inside coils. After the unit has been cleanned , then he's suppose to check the freon last..

Sep 01, 2008 | Ruud UBHC Air Conditioner

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