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I have a comfort air model ww363 air conditioner thaht wont stop running. Does not cycle off, runs till it frosts over

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Have a tech check your contactor, it sounds like it is stuck.

Posted on Sep 09, 2009

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Posted on Jan 02, 2017

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1 Answer

Should a heat pump run all the time?


It really depends on the climate and the design. In Michigan where the winters are cold and the humidity high the air cooled heat pumps run constantly, but here in Arizona they cycle on and off like a regular air conditioner. That's the best answer I can give. Hope this helps and good luck.

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Furnace won't stop running


Jump out limit switch blower should stop and inducer should come on then the heating sequences should start from there

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When the tempeture is very low (below 30F), the heating function doesn't run correctly, it often shows "DF" and then stops running till we reset. Anything I can do to fix it?


Your ambient temp may be very less. Due to that your pipelines frosted. And also short of gas also there will be frosting. Check for proper pressure. Normally in heat mode the fan will run when the pressure build up. Check in your unit, there is fan cycle switch. If it's defective replace it.

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1 Answer

Kenmore refrigerator stop cooling but fan working


The fridge gets its cold air from the freezer through a vent(damper) between the freezer and fridge.The fan in the freezer blows air through it. Make sure this fan is running. You may have to hold the door switch in for it to run. There is a flap you adjust with the fridge temp. control. Make sure it's opening and closing when you adjust the fridge temp.
The problem could be the electronic control if you have one or the mechanical linkages.

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 In most newer models the timer has been replaced by an electronic control board.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.

Apr 06, 2010 | Kenmore 53642 / 53644 Side by Side...

1 Answer

I have a heat pump and it freeze up


If you are referring to the outside unit freezing up, the issue is in the defrost cycle. The defrost cycle works something like this: The unit reverses the flow of freon causing the inside coil to blow cold air into the conditioned space and the outside coil is now working like an a/c unit, it gets warm to melt the frost/ice. The inside unit electric heat strips come on so you do not notice the cold air being blown in. The fan on the outside unit stops running to allow the coil to get good and warm.
Now the unit should go into the defrost cycle every 90 minutes or so. It should not terminate the cycle untill the coil is clear of frost. There is an "Klixon" type termostat that measures the temperature of the outside coil. This is most likely the problem. It is prematurely terminating the defrost cycle. I'd start there first.

Hope this helps, Let me know if I can be of any further help.

Dec 29, 2009 | Intertherm P3RC-030K Air Conditioner

1 Answer

Armstrong heat pump goes into defrost mode when the air conditioner is on is this normal ? if not can you tell me the problem.


100% Normal
this unit is cycling similar to a frost free refer, it will fipl or reverse inot defrost every 8-12 hours depending on run time, humidity,temp..
it should last right around 20 mins or less and tehn return to normal operation
this is used to clean the coils of any built up frost, so that thay stay clear for air circulation
unless it stops i would not worry

Aug 16, 2009 | Ruud UBHC Air Conditioner

1 Answer

Poison


We searched the internet till we found something that put us at ease. still not 100% but at least 75%-90%.

Jul 07, 2009 | Comfort-Aire PAC-121 Air Conditioner

1 Answer

Compressor fan not running


Does it look like the coils are frosting over? Is it steaming? Keep watching, after about 30 min does the fan come back on?

If yes to any/all the above then the unit is probably in defrost mode and yes the fan will stop blowing during that time, but restart when the unit goes back into regular heat mode.

During this time you will likely notice warmer heat from the vents than normal and the "AUX or EM HEAT" light will be on.

That is your backup heat system. It should automatically come on during a defrost cycle.

Dec 06, 2008 | Goodman CLQ36AR49 Air Conditioner

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