Question about Carrier 38CKC042 Air Conditioner

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Central air frost buildup on my coolent coil and air is not turning on neither is the blower.Can some one help me with this?

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Re: central air

First turn your thermostat to the fan on selection, if this allows the blower to run then replace the stat. If blower will not run in on selection it is either a bad control board or blower motor. I can walk you through getting the blower on if the board is bad so it will operate until you replace it. Thx RepairUSA

Posted on Aug 26, 2007

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AC unit wont work, inside coils are hissing but outside unit not turning on.

If thisnis a central air conditioner and there is hissing at the indoor coil then the compressor is running, it is possible that both fans are not running. The indoor motor may not run if the control board is bad, capacitor is bad or the motor itself is bad. The outdoor fan may have a bad capacitor or the motor itself is bad

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Carrier central AC/Heat system repeats "Replace

Try unplugging the unit and waiting a few which many times resets the board.

Aug 03, 2011 | Air Conditioners

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My A/C blowing air, but it is not cool. It has started freezing up. We just replaced the air filters and since then it is freezing up. We even gently cleaned the a/c coils before replacing the filters. ...

Hello, sounds like it is either a low charge or lack of airflow, what type of filter are you using? sometimes those filters that claim to be super effecient will actually cut down on your airflow and cause the ac to freeze up.

Jul 15, 2011 | Intertherm Air Conditioners

1 Answer

Ice forms inside unit -frost buildup-on outside-out side fan shaking unit fan running fo r ours

First to solve your icing problem. Due to indoor coil & air filter blocked or short of gas ice formation will be there. And also check the speed of blower motor, if less rpm, change capacitor for blower motor.
Service the unit also.

Second, for shaking the unit means your out door fan cracked or broken. Check and replace it. Is it helpful?

Dec 16, 2010 | Air Conditioners

1 Answer

The freezer side is very cold but in the refrigerator not much cold.

Check evaporator fan inside the freezer
Check condensor fan underneath in back
Check for ice buildup in the evaporator coils (Defrost Problem.)
Also ice and/or frost on the back wall of freezer (defrost problem)
Check air vent for ice block from freezer to refrigerator inside the fridge.
Should have low air volume to fridge from freezer.

If this was helpful please rate me.
Leo Ponder Appliance-Tyler,Texas

Aug 07, 2010 | Air Conditioners

1 Answer


Check the condenser coil blower wheel. Soleus Air units use a cheap plastic wheel that comes apart after the warranty period. The condenser coil is the backside coil that is rejecting heat through the exhaust when unit is cooling.
The display going blank is a symptom of unit overheating, it's can't exhaust the heat buildup at the condenser, therefore the cabinet overheats.
If you find the blower wheel in pieces, I have a parts source for you:

Jul 13, 2010 | Soleus LX-120 Air Conditioner

1 Answer

Plentiun air conditioning coils are icing up after running in cooling mode

frost or ice on an a\c coil has 2 causes poor air flow or a low referigant charge. poor air flow could be a ditry air filter, blower wheel or a coil. a low charge is a leak in the system

Jun 17, 2010 | Carrier 38CKC036 Air Conditioner

1 Answer

Frozen central ac line inside and out Rheem RAKA-030JAS SER# 4951-M1593-1350

There could be a few possibilities, but I will tell you the most prevalent ones.....Dirty air filter or dirty indoor coil, bad blower, restricted air etc. The other is too low on freon. Turn ac to off and fan switch to on...wait 45 minutes and try again by setting thermostat no lower than 72. While waiting the 45 minutes check the filter , blower, and indoor coil.

May 15, 2010 | Air Conditioners

1 Answer

Frost buildup

You have a heat pump. It is absolutely normal. Every so often the system will go in to defrost mode where the system actually changes in to cooling so that the outdoor coil will be warm enough to melt the frost. At this time the fan outside will not be running, just the compressor. You may also see some steam coming off of the unit. Don't worry, that is normal too. It's not smoking. Please let me know if this info. was helpful and give me a fixya rating.

Feb 10, 2009 | Amana Air Conditioners

3 Answers

Ruud heat pump

If the top of the compressor is freezing you either have low refrigerant or a restriction in the coil. Check the air filter and change if necessary. Turn the outside unit off using the outside disconnect found a few feet away from the condenser. Let the indoor unit blow air for a few hours to melt the ice off of the coil. Turn back on the outside unit and after about a half hour, you should feel the cool air from your ducts. If the cool air gets warmer over the next hour, you will need a tech to look for leaks and recharge your unit. If it continues to blow warm air even after the 3-hour wait, you have other issues. To answer your original question, on the indoor unit you will find access panels that can be removed for inspection and cleaning. They are commonly located where a 3/4" drain pipe exits the cabinet. While the unit is off, remove these panels and inspect for a buildup of debris. Good Luck!

Sep 11, 2007 | Air Conditioners

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