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Can somebody help me with my malfunctioning (central) unit? My Tempstar SmartComfort 2200 air compressor does not engage, no cooling in home. The fan runs outside and the inside thermostat works but t

The outside Tempstar unit is about 7 years old. It was installed to replace a failed unit and some modifications were made to match the Tempstar to the inside air handler system. I was told the outside unit is shot though I could not get a repair cost (or what was shot). I was told the "old" air handler/heat unit is so old that I probably could not find the 4 heat elements that have burned out. The home was built in 1996 so I have no idea that this would make the exchange unit too old. I hate to even add that my wife overheard the guy when he called in to his office and told "whomever" that they had a sure sale on a replacement system. Anyway we used our gas fireplace heat for the remainder of the winter and now it is too warm to without getting a solution for the hotter weather.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

kstfas
  • 75 Answers

SOURCE: Air Conditioner malfunction

Hi, Sounds like you have a short in the control circuit to me. Turn off all power going to the unit. Write down or otherwise mark the wires leaving the control board going to the thermostat. Remove them from the control board. Replace the fuse. Turn power back on and see if the fan still runs. If it does, check and or replace the heat limit switch that brings the fan on during the heat cycle. It may just need adjusted. If the fuse blows, I would think that the control board is probably bad. If it doesn't blow, Remove the thermostat. Leaving all thermostat wires open check them with an Ohm meter. There should be no continuity between them. Twist all the wires together at one end and ohm them again at the other end. You should have complete continuity on all wires. If the wiring checks out, down power the unit. Double check your wire colors and rewire the control board. With all wires open at the thermostat, turn the power back on. Touch the RED wire to the YELLOW wire. The Condensing unit should come on. Touch the RED wire to the GREEN wire. The fan should come on. Touch the RED wire to the WHITE wire. The heat should come on. Down power the unit. Replace the thermostat. Test unit. If the fuse has lasted ok but blows now it is either wired wrong at the Thermostat or the thermostat is bad. I hope I have helped. NOTE: If you can not understand these instructions. Call a licensed Heating / Air conditioning company. kstfas

Posted on Sep 23, 2007

  • 15 Answers

SOURCE: Central Airconditioner Heat Pump Weather

It sounds like you might have a short in the wiring that goes from the furnace (inside part) to the condenser (outside part). Follow these lines by hand and check to see the wire isn't damaged and shorting out.

Posted on Sep 19, 2008

The HVAC Guy
  • 30 Answers

SOURCE: Weather King question?

check the capacitor outside, if that doesnt work let me know. 

Posted on Oct 30, 2008

  • 85 Answers

SOURCE: Heat Pump Stops Working only in the Early Morning

I recommend getting electric back up heat to fix your problem. Like the other gentleman said, defrost is having to kick on too much. It's doing the best it can givin the conditions outside. If you don't have enough power supply for electric back up heat, then a gas furnace or propane furnace will work also, depending on your needs. Heat Pumps are a like a full time fan, they are designed to heat your home at a steady rate unlike forced gas units that turn on extremely high temps and then shut off... Ensure your charge is correct, givin your tempatures the unit sounds to be working correctly, however a second opinion is always a good piece of mind before you spend money on emergency heat.. Hope that helps..

Posted on Dec 02, 2008

hvac1960
  • 2133 Answers

SOURCE: Hi, I have a samsung aqv18ja

Simple, check in your remote. There is an option button "Blow". Just press it. Your unit gets completely off. Please write back if helpful?

Posted on Dec 26, 2010

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1 Answer

Tempstar Air Conditioner wont come on


Sounds like you need a new contactor in the condenser. The low voltage is grounded. Remove the low voltage (likely 2 wires) at the condenser and wire nut the wires leading inside. With an insulated screwdriver manually push in the contactor and be sure both compressor and fan run. Then replace fuse and turn power on to air handler with a call for cooling. Obviously the outdoor unit won't run because you unhooked the low voltage but if fuse doesn't trip then it's likely the contactor. Good Luck

Apr 10, 2017 | Heating & Cooling

1 Answer

Tempstar smartcomfort 2200 compressor not coming on


Probably out of gas. May have a leak.Call the aircon guys.

Apr 20, 2013 | Heating & Cooling

2 Answers

York central unit condenser does not run. Red Led light on circuit board keeps blinking.


Hello,

There seem to be a problem with the unit that is why it is acting that way. If the air conditioner is not working but has the power light blinking. Yet the fan is not running, then you need to troubleshoot the unit. There are some tips for troubleshooting the air conditioner to be able to detect the problem and know the best appropriate procedure to solving the problem.

A few basic principles for air conditioner troubleshooting. For both central home air conditioner or window air conditioner, the first thing to check is whether the unit is getting proper power. If the unit uses 220 volt power be sure that the proper voltage is getting to the unit. Same for 110 volt units. A voltage meter can be used to assure that the voltage is correct.

For window air conditioning units the voltage can also be checked before and after the thermostat. If voltage is being supplied to the thermostat but not from it then the thermostat probably needs replaced. This is a fairly common problem. Another place to check is the fan motor voltage. The fan on window air conditioners runs both the indoor blower and the condenser fan. If that motor fails than the compressor may run for a short time, but will overheat and shut off. Continued operation like this will result in compressor failure. This motor can be economically replaced for larger window air conditioners, but for smaller ones the cost of replacement will be more than a new unit.

Central air conditioners for the home are more complex and there are more things that can go wrong. As with the window air conditioner the thermostat can also be a problem. The central air conditioner thermostat will only have 24 volts going to it. So don't look for high voltage there. Some units the voltage will be coming from the outdoor unit and others the voltage will be supplied by the indoor air handler or furnace. Most home central air conditioning will be supplied by the indoor air handler or the furnace. If the air conditioner is for cooling only the unit will usually have only two wires going to the condenser unit. Make sure that you have 24 volts across those wires.

The next thing to check will be the indoor blower. If your thermostat is calling for cooling then the indoor blower should be running. If there is no air moving across the indoor cooling coil then you will soon have a big block of ice formed on the coil. This can happen for a few reasons. The indoor blower is not working, the air flow is restricted and not allowing air to move across the coil. A clogged air filter would also do this. Or the outdoor condenser unit has lost the charge of refrigerant.

Finally and worst of all is when you have a complete compressor failure. Often when this happens the compressor will "lock up" or not be able to turn when power is supplied to it. Overheating or lack of lubrication are usually the main causes of compressor failure. Overheating can be caused by the outdoor coil around the compressor getting clogged with dirt, leaves, or grass. Loss of the refrigerant charge will also cause the compressor to overheat. It is the cool return gas coming back to the compressor that helps to keep it from overheating.

As you can see there are many things that can go wrong with an air conditioner and I have not come close to exhausting the possibilities here. I have just touched on the most common problems in a very basic way.

There are some basic trouble shooting things that can be done very easily. Most problems are above out of the range of comfort for many homeowners and professional help should be consulted before any attempt is made at repairs.

Good luck.

Jul 14, 2011 | Heating & Cooling

1 Answer

CAN'T PULL OUT THE FUSE ON MY TEMPSTAR 10 C/A UNIT


Hello, if tne outdoor unit is running ( fan and compressor) and the indoor blower motor is running and yet the unit does not cool, then a airflow problem or low refrigerant charge are the problems. Begin by checking the air filter to make sure it is clean and check the blower wheel tommakebsure it is clean and running at proper speed. If the unit is clean then looks like you have a low refrigerant charge due to a leak.

Jul 06, 2011 | Heating & Cooling

1 Answer

Haier air conditioner will not kick on to air conditioner mode, only the fan runs, but does not cool like air conditioner should cool, just blows as a fan.


A few basic principles for air conditioner troubleshooting. For both central home air conditioner or window air conditioner, the first thing to check is whether the unit is getting proper power. If the unit uses 220 volt power be sure that the proper voltage is getting to the unit. Same for 110 volt units. A voltage meter can be used to assure that the voltage is correct.

For window air conditioning units the voltage can also be checked before and after the thermostat. If voltage is being supplied to the thermostat but not from it then the thermostat probably needs replaced. This is a fairly common problem. Another place to check is the fan motor voltage. The fan on window air conditioners runs both the indoor blower and the condenser fan. If that motor fails than the compressor may run for a short time, but will overheat and shut off. Continued operation like this will result in compressor failure. This motor can be economically replaced for larger window air conditioners, but for smaller ones the cost of replacement will be more than a new unit.

Central air conditioners for the home are more complex and there are more things that can go wrong. As with the window air conditioner the thermostat can also be a problem. The central air conditioner thermostat will only have 24 volts going to it. So don't look for high voltage there. Some units the voltage will be coming from the outdoor unit and others the voltage will be supplied by the indoor air handler or furnace. Most home central air conditioning will be supplied by the indoor air handler or the furnace. If the air conditioner is for cooling only the unit will usually have only two wires going to the condenser unit. Make sure that you have 24 volts across those wires.

The next thing to check will be the indoor blower. If your thermostat is calling for cooling then the indoor blower should be running. If there is no air moving across the indoor cooling coil then you will soon have a big block of ice formed on the coil. This can happen for a few reasons. The indoor blower is not working, the air flow is restricted and not allowing air to move across the coil. A clogged air filter would also do this. Or the outdoor condenser unit has lost the charge of refrigerant.

Finally and worst of all is when you have a complete compressor failure. Often when this happens the compressor will "lock up" or not be able to turn when power is supplied to it. Overheating or lack of lubrication are usually the main causes of compressor failure. Overheating can be caused by the outdoor coil around the compressor getting clogged with dirt, leaves, or grass. Loss of the refrigerant charge will also cause the compressor to overheat. It is the cool return gas coming back to the compressor that helps to keep it from overheating.

As you can see there are many things that can go wrong with an air conditioner and I have not come close to exhausting the possibilities here. I have just touched on the most common problems in a very basic way.
There are some basic trouble shooting things that can be done very easily. Most problems are above out of the range of comfort for many homeowners and professional help should be consulted before any attempt is made at repairs. Remember also, that the release of refrigerant gases into the atmosphere is a federal offense in the
US. Proper care must always be taken to minimize the release of any gases. A license is also required to handle refrigerants. Make sure that the professional you call has the proper certifications to handle refrigerants properly.


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2 Answers

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It could be the capacitor, it could be a loose wire connection, it could be a delay switch or a contactor/relay.

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I have an old Tempstar air condition and when I turn it on the compressor runs and the fan looks like is is wanting to turn but it quits. HELP me


Check the voltage on the fan connections. Bad connections cause resistance to current. If connections & voltage are good than the problem is probably your fan motor if its clean from dirt/grease/dust etc. Plug off the unit and try to spin fan blades with a pencil and observe if rotor is turning freely. If its spin normal than again your fan motor is not good.

If its try to spin on its own when the units turned on and creates excessive heat, this indications generally pointed an abnormal resistance problem at the circuitry or on the power consumed points of the unit.

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