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Normal that copper pipe shows frosting?

Is it normal that a copper pipe from the compressor show a frost cover when compressor is functioning? and when in stand-by the frost to melt? Re: GE Refrigerator Model TFX20RJC

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  • Anonymous Mar 26, 2014

    The copper line was found severed, and system is believed to be empty. How do you determine how much oil is left in system, and how much is supposed to be there? And then, what kind of oil is the factory spec. replacement?



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No not normal, this is a sign that the unit has been overcharged with refrigerant. If it is just frost or condensate on the copper pipe that is not a big problem. But if the frost extends onto the compressor dome, then I would be worried. Sometimes fridges are charged in an area with a lower ambient temperature and then moved and sold in another area, hence the slight overcharge. No problem. Hope this answers your question. And yes when the unit cycles the frost will melt and of course drip onto your floor.

Posted on Mar 10, 2009


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Could be several problems, it may have a leak in the coolant system, the compressor may be bad, or the control system may be malfunctioning.

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I purchased danby dehumidifier less that 1 year ago and p1 is on most of the time. What can I do?

According to your Owners Manual:

P1 is part of a normal function of your dehumidifier. When your compressor is working it will build frost on the evaporator coils. When there is enough frost on the coils the unit will go into a P1 deicing program. This deicing cycle will last anywhere from 15-45 minutes. Once complete it will automatically resume normal function. The cooler the room the more often this function will turn on.

If you think it's still staying ON to long, contact Danby Consumer Help 800-263-2629

Hope this helped you.

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1 Answer

What is an E3 error message

E3 FROST PROBE OPEN: Normal operation is allowed. Replace probe.
E3 FROST PRObE OPEN: Normal operation is allowed. Ohm frost probe. Replace probe if ohm value not read. If ohm value is present replace board. 

Thanks. Keep updated for any more query. You can rate this solution and show your appreciation.

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Humidifier runs but although copper pipes show frost no water comes out

The compressor is a mechanical pump that will be the fan has to move air to make it work correctly...not much you can do about it...


Feb 14, 2010 | Dehumidifiers

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Should the small copper pipe inside the air handler have frost or ice on it. If not what is wrong.

The capillary lines will normally freeze during startup and should defrost after a short time. However, if they are remaining frosted, this is a sign of a low refrigerant level.

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Freezer compressor running constantly

Below the evaporator fan behind the back cover inside the freezer is the evaporator coils. Remove the back cover in the freezer to observe the frost pattern. Light frost everywhere(NORMAL) or a partial pattern of ice(LOW ON FREON) or nothing(LOW FREON OR COMPRESSOR PROBLEM).

How to check everything
If it's heavy buildup-
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.

Sep 18, 2009 | Hotpoint  14.9 Cu. Ft. Top-Freezer...

1 Answer

Too much water coming out of the pan (in the front of the ice maker) and copper pipes on top left side are covered with ice.

Not real sure just what you are saying as to what pan? The copper pipes that go to the evap plates where the ice is made are supposed to frost over. They get colder than dew point of the air so this is normal. But all the pipes should frost. Does the unit shut down and give any type of beeping noises? This would be the control giving you a trouble code. You may have a water valve leaking. Turn unit off and see if water continues to run. All water should stop within a few seconds. Let me know what you find. Please verify model and serial numbers.

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Split Air Conditioning problem

are you sure it is the liquid line and not the suction line? The small line or the big line. should not have frost on the small line or liquid line. Frost normal on the insulated big line.

Aug 09, 2009 | Heating & Cooling

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