Question about Hitachi RAS-09UH Air Conditioner

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The fan in the outdoor unit does not work while the AC is on. The inside unit blows the cold air and the compressor in the outdoor unit is working the fan was not. How this issue can be resolved?

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Re: The fan in the outdoor unit does not work while the...

These motors are famous for the inyernal fuse blowing in the fan motor. check continuity between the red and blac wires. if there is non the fuse is gone. These motors are fairly easy to take apart and change the fuse . hope this helps

Posted on Sep 01, 2008

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Re: The fan in the outdoor unit does not work while the...

1st check whether it's the fan motor capacitor fauly or not by measure the capacitor uf.If capacitor no problem then replace the outdoor fan motor lo...

Posted on Jul 17, 2007

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Re: The fan in the outdoor unit does not work while the...

Fault may be just the fan. check if stiff to rotate for starters and then check continuity thro it

Posted on Apr 24, 2007

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Byant ac not blowing cold air

Check outdoor unit ,if the outdoor fan is spinning ,check if the compressor is coming on , if both fan and compresseor are working
it may be low on refrigerant

Jul 01, 2014 | Bryant Air Conditioners


A Great Tip For Saving Money

While everyone usually remembers to change their AC and Heater filters, no one thinks about cleaning the heating or cooling outdoor coil. If you have an outdoor unit for heating or cooling, those coils need to be clean too!!

The principle of an HVAC unit is to remove heat or cold from your home to make sure you have a comfortable temperature inside.

If you have a gas furnace, your good to go in the winter. Make sure you change your filter every month and you should be able to keep your home at an nice temperature for you and your family. BUT, if you have an air conditioning unit hooked up to cool your house in the spring and summer, you need to do a little maintenance every spring to make sure you get the most out of your unit and save money. The same principle works for a heat pump, so i'll break it down for each unit.

1. An air conditioning unit that has a gas heater works just like it sounds. In the winter, your thermostat will tell the heater to turn on. You will have your burner running until the fan switch in the heat exchanger gets to the right temperature to turn the fan on. This is so you don't have cold air circulating through the house. Cooling on the other hand works a little different. If your thermostat calls for cooling, your fan will turn on right away and your condensing unit outside will turn on. What you AC is doing is removing heat inside the house and putting it somewhere else. That;s where your condensing unit comes in. The heat you removed inside the house is transferred outside where it is compressed and cooled through the use of the outdoor fan.

Now, imagine if this outdoor unit has dirty coil. You are no longer able to remove the heat from the house because it's not able to be removed because of a dirty coil. This means a huge loss in cooling capacity, higher running amperage on the compressor, and your electric bill being alot larger than it needs to be. I'll have the solution after I address the heat pump.

2. Now, the heat pump. It is basically an air conditioning unit that can reverse. In the summer, the outdoor unit will blow hot because of the heat it removed in the house. In the winter, the outdoor unit will be blowing cold because it is using the heat outdoors to add heat into your house. While this sounds weird, it's engineering at it's best. In the winter, heat is able to be removed from very low temperatures and your able to transfer heat into the house because you have a compressor in your unit. It does what it says. It takes a low pressure-low temperature refrigerant and compresses it into a high pressure-high temperature refrigerant.

Now, getting to the coils of both units. You need to clean the outdoor coil on both units every spring to make sure you have a clean coil. In the long run, this will allow the unit to expell the heat gained from the house and in the long run will add life to your compressor and save you money.

On the heat pump, you'll also need to clean the coil every fall. This is because if you don't, you could have a problem with freezing your outdoor coil. If you can't remove the heat from indoors, you will slowly turn your outdoor coil into an icemaker!!

So, based on what you have, turn the power off to your outdoor unit. Spray very good with a degreaser such as simple green and let it sit for about a half an hour. Then, grab your hose and wash out the coil. You'll be amazed what comes out. Let it sit for a coup0le hours to dry out, then turn the unit on.

This will not only extend the life of your compressor, it will also save you money in the long run!!

on May 11, 2010 | Air Conditioners

2 Answers

Not staying cool

sounds like it is either low on Freon or the compressor is going out. The blowing ice cold is an indicator that it may be freezing up because the low Freon. when it stops blowing cold, turn it to fan only mode and see if it gets colder again. If that is the case then the unit is low on freon and freezing up. I know that sounds confusing but that is how AC works. The low freon pressure means the gas is expanding too fast and the air flow cannot take up the cold from the evaporator fast enough. Turning the compressor off and keeping the fan on will alow the room air to take up the cold.

Apr 22, 2014 | Frigidaire FAM157S1A Air Conditioner

1 Answer

I just replaced the fan and the capastitor on an outside air conditioner unit yesterday. Today it was blowing so cold I increased the temp. on the thermostat. Now it is blowing 77 degrees air instead of...

The air being blown at the condensing unit isn't the air that blows inside. I seriously doubt what you said about it getting so cold. I believe that the wires to the capacitor were improperly installed, and your compressor isn't operating. Don't confuse the outdoor fan operation with compressor operation (they both share the same contactor as a switch). On the capacitor, the brown wire connects to fan, compressor attaches to "HERM" common attaches to the contactor. I didn't mention the colors of the common or compressor wires because they differ among manufacturers.

Aug 27, 2013 | Goldstar R1003 Air Conditioner

1 Answer

Carrier home AC #BRC036 quit blowing cold air thru vents

Possible indoor fan motor not working or if it's blowing air just not cold air then compressor not coming on on outdoor condenser

Jun 05, 2013 | Air Conditioners

1 Answer

The ac unit is blowing cold air on th inside but the motor fan on outside unit is not working

The outdoor fan motor can fail and also the start capacitor that helps it start can also fail...if the compressor is running then the motor should be getting power...
Change the cap. first and if that don't do the trick, then change the motor...


May 28, 2011 | Air Conditioners

1 Answer

My outdoor AC unit is not coming on. Air is blowing out of my vents inside but the snowflake symbol on my thermostat is blinking and the air isn't cold. The fan on the unit isn't even running. Any...

check power to outside unit, check if it has a fused disconnect, if you have power and no blown fuses it could be a blown capicator that starts the fan and compressor...............

May 09, 2011 | Air Conditioners

1 Answer

AC is on but the air isnt cold

You may not have all components working, check to make sure the outdoor fan is working. Also listen closely to ascertain that the compressor is coming on,

Jul 10, 2009 | Hunter Air Conditioners

1 Answer

It simply wont turn on

a thought is , exactly what wont turn on? the indoor blower? the outdoor fan or the outdoor compressor?. be specific for goodness sakes. i assume you mean the ac wont turn on since its cold here in fla. dont know where you are since you didnt say. if it blows but not cold then outdoor unit is problem. if air out side being discharged is cool then compressor isnt running. check caps and volts through contactor. if ok check power directly into compressor. if ok the look at amps etc.

Oct 15, 2008 | Electrolux Air Conditioners

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