Question about GE Zoneline AZ38H12DAD Split System Air Conditioner

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Ice build up out side hitting fan

When temp drops below 32 ice builds up and fan blades outside hit ice.Is this unit supposed to drain all condensation out? Does this unit have drain holes?
Ge Model # AZ38H15DABM1
P/S repair man replaced motor last winter this winter doing same thing I can see ice in unit I put heat lamps under unit outside to help melt ice.
Please help!

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  • emiller755 Nov 24, 2008

    Found problem drain valve not functioning properly

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Pop out drain plug heat up pan with heat gun to melt ice

Posted on Dec 16, 2008

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1 Answer

In winter the outside unit sounds like a rubbing/ticking noise


Sounds like ice coming of the coil. That would explain the ticking. The rubbing could be ice buildup before the defrost cycle or it's building on the blades of the fan throwing it of balance a bit.

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Front grill


Check the air filter and if it is dirty, replace..
Turn equipment off and let the ice melt.
After ice melts, place a/c in cooling mode and set the thermostat to 3 degrees below room temp display.

The indoor unit fan should start blowing cold air immediately and then turn off once the room temp drops one degree below the cooling temp setting.
If the indoor unit does cycle off, check the outdoor unit and make sure it turns off at the same time.
If the outdoor unit continues to run and the indoor fan is not running, the indoor unit will ice up.
A defective compressor relay that is stuck in a closed position will cause icing of the indoor unit because it keeps the compressor running when it should turn off with the indoor fan.

Do you have an error code being displayed on the controller?
Is there an led light that is flashing on the indoor unit?

Another possibility causing the indoor unit to ice up is if the freon in the system starts to get low.
Make sure the ice has all melted for this next check.
Pretty easy to check without special tools.
If the air filter is clean and there is no dust/ dirt blocking the fins on the indoor unit, turn a/c back on to cool and check that the indoor unit fan comes on and is blowing air good.
Once everything seems to running good go to the outdoor unit.
There will be two lines with black rubber insulation covering them.
Peel back the insulation three inches on each line and observe the copper lines.
If either line starts to frost up the a/c system is most likely low on refrigerant.


Another cause of indoor unit icing could be that the aluminum fins behind the air filter are clogged with dust or other foreign material.
This would block the air that must be pulled in causing the indoor unit coil to become too cold due to lack of air flow and it will ice up.

Operating the cooling system when the outdoor temperature is below 60 degrees can cause the indoor unit to ice up also.

I'm Robert.
Florida certified a/c contractor. 30 years experience.
Hope this helps.


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1 Answer

Mini split drain trouble


There is a temp. probe on the inside unit.(evaporator). If you open the front panel you should see 2 white air filters. With the right side one removed you should see a black probe on the coil. Possibly that probe needs replacement. Very possible there is also a defrost sensor connected to the outside condensing unit. That sensor is connected via a white plug in connector.. Replace that one too if possible.

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My unit is throwing water out of the front vents not a lot. It sound like the fan blade is hitting water It still cools but makes a loud noise .R bordeaux


The water and noise you hear is from the fan blades hitting backed up water in the drip pan. This occurs when the drain hole near the rear of the drain pan is clogged and/or the rear of the unit does not have enough downward tilt. Which allows the water to flow freely to the drain hole. The general rule of thumb for downward tilt is 1/4" to 1/2". Correcting these to things should solve the problem. Be sure to turn the unit OFF & Unplug it, before attempting remedial service work on the unit.

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Lately at certain times while running for days it makes a clanking noise(sounds like the fan) I spray water through the back of it with a water bottle and after 20 min the sound slowly go's away.It is...


This is normal, the noise you here is most likely ice build up on the condenser coils. when the outside temperature is under around 15c ice will build up on the condenser coils it then falls and hits the fan blades. this will also happen if the unit has been running for a while. there is no need to spay water into the unit as this can cause damage to the electrical components.

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1. what are reasons why refrigerant compressor burn-out? 2. ice build up on suction line. 3. Insuffecient cooling. 4.Outdoor unit not running, but indoor is operational.


On the split system 1. Can burnout from defect, lightening, etc .. 2. Only way ice will buildup back to outside unit is LOW LOAD.. either from dirty filter, dirty coil or fan blades caked up with dirt. 3.. Poor airflow will cause the poor cooling $ Outdoor unit most likely has a low pressure switch causing the outside unit to shutoff until pressure rises.. Has this helped ?

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1 Answer

Blades are hitting water and making a loud noise. no hose in the back of air conditioner to drain water, what should I do


Is there a removable plug (Metal or plastic on the bottom of the unit ? If so remove the plug (Knife of flat blade screw driver. I believe some units are supposed to disipate the water in the exhaust air. If the unit is over a year old you may need to clean the coils (Behind filter - I am assuming you cleaned the filter) to reduce icing and water build up. I have drilled a hole in some to release the water. You drill a hole in the right or left rear on the bottom and YOU MUST MAKE SURE THERE IS NOTHING ON THE OTHER SIDE WHERE YOU ARE DRILLING (like a freaon line, compressor, wires, etc.).

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i would check the blades on the condenser fan motor and make sure they are not hitting anything if they are not, spin the fan see if the fan spin freely, it should, if it doesn't it could be the bearing in the motor are dry and going bad

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