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Central air condenser is surrounded in frost, as well as the hose exiting the condenser (ice build up on insulated hose outside of cabinet as well).

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Low refrigerant pressure, call your technician.

Posted on May 27, 2008

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My trane xe 1000 central air conditioning unit turns on and the fan os working, but no air is coming into tue house. The lines get ice on them outside. I left it off all night with no change in status


If you left it off all night and no air is coming out of supply registers then the blower motor is not running. If the system is getting frost on the suction line(the big copper line coming out of the outside condensing unit with rubber insulation on it) within minutes of turning the system on then that will confirm that the blower motor is not running properly.
Unless you are very experienced in working on air conditioning, i would call a professional to do the repair.
If the motor has to be replaced its takes an experienced technician to do it correctly.
It could simply be the run capacitor on the blower motor.
This is probably going to be a 5 mfd capacitor.
Turn off all power to air handler, remove service panel, set your multi-meter to mfd (microfarads),
place the leads on the connections on top of the capacitors securely for 5 seconds. You should read about 4.8 to 5, if not the capacitor is bad.
There are other possible problems that could cause your symptoms, but ultimately your blower fan is not blowing air.

Sep 01, 2011 | Air Conditioners

1 Answer

Hi, I am installing a stainless steel sink I have had made into a bench top which I will be filling with ice to keep beers cold. As there is a cupboard underneath I am worried that the ice will cause...


I would take a two-step approach.

1) Get one or two cans of polyurethane foam insulation (e.g. Great stuff). It would be easiest if the sink is not yet installed. If it is, get a bunch of newspapers and keep the area well covered inside your cupboard. This stuff will stick to anything (including stainless steel sink bottoms).

Spray the foam insulation onto the sink surface. It has a wand to spray into small areas, just make lines about 2 inches apart as you spray (more like caulking). You will seet the foam expand. Run another line of foam between the ones you made if you think it is not covering (expanding) well enough. Let it expand and harden for a day.

Part 2)
Here you want to prevent any air from getting under your sink. If you can limit any condensation to the air that is under the sink, you wont get too much water. If you allow air to circulate, then all the air passing by will deposit some dew onto your sink bottom.

Get some foam insulation strips like you want to insulate a window or door. The best option would be Frost King (EDPM) extruded profiles. Thes strips come in 3/16" and compress easily as your cabinet door closes. You might want to put spring hinges on the doors or a spring latch to keep it tightly closed.
==
Good luck and try to stay clean. You might want to practice on a board outside if you haven't worked with spray foam insulation before - be careful, it drips and runs a bit before it hardens so keep your lines thin as you spray..


The g

Jul 06, 2011 | Air Conditioners

1 Answer

Should the outside fan be running when the heat pump is running. I am getting a frost build up outside on the coils.


outside fan ( condenser cooling fan ) need not run all the time . if it is frosting it can be seen from outside.

May 03, 2011 | Air Conditioners

1 Answer

Outside fins frosting over, in teens


Due to ambient temp on -. Check when you keep heat mode in your a/c the outside fan won't run unless the pressure build up. First, you defrost by heating torch or pouring hot water on your condenser. And also clean your condenser coil.

Dec 16, 2010 | Air Conditioners

5 Answers

My air conditioner gives out cool air not cold air


Welcome to FixYa
Check the Following
Is your filter clean? Look and the evaporator in the inside unit. Is it frosted up? Do you have condensation water in the pan? Go to the outside unit and feel the air coming out of the fan. Is it warm? Now feel the 2 copper pipes coming out of the unit. Is the small one warm or hot? Is the larger one cool ? Is there moisture on it?
Air conditioner runs but doesn't cool at all
If the airflow is good and the air coming out is not cold, your home air conditioning problem may be a temporary problem - your coils may have frozen. Turn the unit off for an hour to let them thaw, then try again. If cold air is now present, freezing coils were the problem; if the problem recurs soon after turning on, you may need to replace the coils. Again, call a pro. If you have ceiling vents in upstairs rooms and the air flowing from them is consistently warm, you probably have leaky or poorly insulated ductwork in your attic. See my Attic ceiling insulation page for more information on insulating ductwork that runs through attics.
Another likely home air conditioning problem if you have good airflow but no cooling is that the breaker to the outside unit is shut off, which, depending on the installation, can either cause the air conditioning system to not run at all, or to appear to be running but not provide any cooling. If you can hear the compressor fan running outside, the breaker is on, but if the outside unit is silent the outside breaker may be off. If switching it on does not solve the problem, look for the high pressure cut out on the condenser and try resetting that.

Check this Link for Detailed Repair Click here

Also Check this Link

Hope this make you better..Thanks for Contacting FixYa...

Jun 27, 2010 | Goodman CLJ30AR32 Air Conditioner

1 Answer

Not cooling


Turn your System OFF and put the Fan switch at your thermostat in the FAN or ON position. Allow it to run like this for 4 hours minimum. Before turning the system back on, ensure the air filter(s) and coils are clean. Also make sure all of the supply registers are open. All of these items affect airflow. Improper airflow is the number one cause of an iced up evaporator coil (as indicated by your observation of ice on the black hose). If, after doing all these things, you continue to have a problem, you most likely have a refrigerant problem (not enough or a restriction). This would require paying a CFC certified electrician to diagnose and repair. Try the air filters, coils, and registers first. :-)

May 29, 2010 | Ruud Central System Air Conditioner

2 Answers

Outside unit iced up how do de-ice


As with the simplest way to thaw ice is with heat.

If you are running this unit in cooling and have ice outside, then you most likely have a freeze up inside as well. If this is a heat pump unit, then frost is normal during operation, however, ice build-up is an indication of a problem.

There are 2 effective ways to remove the ice build-up. The first is the simplest. Get your water hose and hose it down. Be sure to turn off the breakers to the unit and avoid spraying the electrical compartment. If you have the ability to hook the hose into a hot water line, then this process with be extremely fast. Let the unit sit for about 20 minutes to dry out and turn it back on.


The second can be a little more complicated if your not tech savoy. You can turn the system on in the cooling mode. This will make the outdoor coil the condenser section. Then, either block the airflow through the coils with an object, put an object over the fan to increase pressure, or if you can, disconnect the fan so it does not run. This method is essentially the same as a defrost cycle.

As with any failure, you can fix the problem at hand, but it will return. After you get past this, your real challenge will be determining what caused the freeze-up.


If you were running your system in cooling already, then you will need to ensure the system has de-iced on the inside as well.

Jan 12, 2010 | Air Conditioners

1 Answer

Evaporator coil continue frosting\build up ice


check the indoor fan motor, the indoor fan motor has to be running while condenser is on. make sure the filter is clean and the return vents are not blocked. Check charge.

Dec 16, 2009 | Carrier Air Conditioners

1 Answer

Ice build up out side hitting fan


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

Nov 24, 2008 | GE Zoneline AZ38H12DAD Split System Air...

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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