Question about Sanyo Split System Air Conditioner

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Compressor not turning on

I just installed the sanyo split air system model #c1211 out door unit and went to charge up the compressor the fan runs but compressor will not accept the refrigerant , I checked all electrical connections between the units along with the fuse and relays

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Is the compressor actually turning over ?? if not check the contactor, or capacitor is actually ok...

if it does turn over, are the stop valves open ??

Posted on Jun 16, 2009

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1 Answer

Why does my sanyo model KHS2472 has a red light blinking in heat mode and a green in cooling mode, does not work in either mode makes a gurgling sound when it tries to run?


Hi,
The red light indicates it's either heating or in defrost mode
Check the outdoor unit if the compressor is running - the large pipe on the outdoor unit should be hot on heating or cool to touch on cooling
When in heating mode - the indoor fan will not start until the indoor coil is warm enough
If the reversing valve that changes from heating to cooling is faulty then you may encounter the same symptoms too
Probably need a Refrig Tech to have a look at it?
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Hi, I have a goldStar GA 1866VHR split Airconditioner, (5050w cooling and 5040w heating capacity). Today I noticed that compressor/condenser unit was still running after I turned off the aircond: from the...


Thanks for your detailed information. But solution is very simple. The compressor contactor in out door unit. Struck. And hence, when you power on, without indoor commanding, the out door starts running.

Replace same type Contactor relay (In out door unit) immediately. Hope, it's helpful.

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I have a honeywell Design Air reverse cycle aircondton system. Two weeks back it stopped working. When I switch it on it starts the system. The air is flowing but it is not cooling. what could be wrong and...


Hi, Just to to let you know, I am a contractor for heating and air conditioning. You have a split system heat pump it sounds like to me. If you have the indoor unit and an outdoor unit, this is a split. If the blower is running but not getting cold air, there could be several problems that would cause this. The service tech should be able to troubleshoot and find the problem in 1 hour or less. Depending on who you call, you are looking at anywhere from $65.00 to $85.00 per hour. Some places also charge you a travel or truck charge of $20.00, try and stay away from them. It will be a 1 hour minimum and in 1/4 hours there after. It could be a quick fix, breaker, fuse, or a serious problem as a compressor. This is what you are looking at. If you do have a split system and the outdoor unit is not on, check the breakers and fuses before you call any one. This may save you many $$$$$!! If you have a system that is all in one or a package unit and the blower comes on, make sure the outdoor fan is running ( condenser fan motor ) and listen to see if you can hear the compressor running. If you do have a split unit, go to the outdoor unit and see if the fan is running and compressor also. If not, check you're power supply. You may get lucky.
Sincerely,
Shastalaker7

Feb 12, 2010 | Heating & Cooling

1 Answer

Does not heat or cool


Hi, If the outdoor unit is running, make sure the fan is on also. If the system is new and has just been installed, it sounds like you may have a freon leak and have lost all its freon. Turn it on cool and let it run for a few minutes. Go outside and grab hold of the larger copper line coming out of the unit. It should be nice and cold and sweating. If not, and the fan and compressor are up and running, you have a leak and lost its charge. Check this and get back to me and let me know what you have found. We can go from there.
Shastalaker7
PS, When these installers put these units in, they sometimes get in a hurry and there welds are not very good and will leak over time, just to let you know.

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Have a reverse cycle split system LG aircon blowing warm air on cool or heat,have cleaned filters and turned power off for to reset ,both inside and compressor fan working


Hi, dealing with these ductless split systems on a daily basis, I can say you have checked some of the things I would have wanted you to check, which is good on you're part.Blowing Room Temp. air in both heating and cooling indicate that the compressor is not running even though the outdoor condenser fan is on.There are several things that could cause this. You have a compressor run capacitor that starts the compressor, but I am thinking on you're unit, it has a dual capacitor that runs the compressor and fan together. Fan is on, so I will rule this out.These units are notorious for leaking freon as the Liquid line and suction lines are not brazed, they are put together with connectors that tend to leak over time. If it is low enough on Refrigerant gas, the compressor will shut off and stay off on low pressure. This unit has a low pressure switch that has normally closed contacts, that opens and stops the compressor from any damage which in turn, you will have no cooling or heating.Do this for me, turn the unit on in cooling, lower T-stat way down so outdoor unit comes on. Go to the out door unit and where the elect. wiring and lines go into unit you will see to copper lines. The largest of the 2 lines is the low or suction line.Wrap you're hand around it and it should be nice and cold. If it is warm, just touch the smaller line, it should be rather warmer, almost hot.If both lines are of normal temp. you are either out of freon or the compressor isn't running.You can remove panel to get to it and put your hand on it to see if it is on. If the lines were of normal temp. and the compressor is not on, more than likely you have lost the charge.Look it over, the wiring to see if you see anything burned or connections burned off and so on. You can check the 3 wires going into the compressor by turning off the power at breaker and removing the cap covering wires just to make sure these wires are intact. sometimes one will get hot from power and burn off. If you see this problem, it would be something you could fix.If all looks good, go back to the copper lines and being this is a Heat-Pump, you should have 3 fittings where we install our gauges to check and fill systems with freon. Look for one that is on the unit itself and remove the plastic cap.Don't be alarmed if you do as nothing will come out.If you look inside the valve, and you see a Schrader core, you can depress it with a nail or something small, just enough to see if it has a lot of pressure in it.If very little or none, the system is out of freon. You will have to call a tech out to find leak and evacuate and re-charge system.I wanted to give you many things to check so you and I would know what the problem is, a process of elimination. If you have a lot of pressure, then more then likely you have a faulty compressor. If you feel that you would rather not check the electrical or depress the Schrader, I fully understand.You can at least check the temp. of the lines and listen to see if the compressor is running, and if it is with warm lines it is still low on freon.Please keep me informed, and again the long explanation was for you to understand more about you're system operation. Sincerely, and best of luck,
Shastalaker7

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Your condensor fan motor has more than likely gone out. This fan should run at all times when the unit is on. Since the fan isn't working then the motor must have gone out.

Dave

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Hi i have a lg split system air con model number lst243h-2 its nice and cold when i first turn on then its just like the fan is on its not cold at all


How long before it goes from cold to hot. The compressor could be not running and going out on overload. The condeser fan could have failed. Did you check the outdoor unit. Is it running? Is the fan running on the outdoor unit. It could be low on charge which would cause ice. Are you getting excessive condensation? Let me know and i can help you out more. Grab the large copper line outside that is insulated and tell me if it is cold. It should be cold like a Pepsi out of the fridge!

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