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Central air conditioner does not come on.

My frigidaire central air compressor does not come on when I set the thermostat to cool and . I have checked the circuit braker and it it fine..

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You need to check to see if you have 230 volts to the L1 and L2 side of the contactor and 24 volts to the contactor coil. If you do then the contactor coil is open and needs replaced. If not you need to check the disconnect outside by the outdoor unit and the transformer or thermostat.

Posted on Jul 04, 2010

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Thermostat will not cycle compressor temperature


Good Afternoon Friend,

I understand that the thermostat is not cycling the compressor on and off on your Frigidaire air conditioner, model# FAM157S1A. Please check the temperature sensing element to see if it is touching a cold coil. This will be located behind the air filter. Straighten away from the coil if it is touching. The other possibility is the compressor shut-off by changing modes. Wait approximately 3 minutes and listen for compressor to restart when set in the COOL mode. I ask that you please follow up with a comment on the post, at your convenience, to advise if further troubleshooting is needed or if your appliances status has changed successfully. Hope this is helpful.

-Best Regards-
WP

Jun 30, 2014 | Frigidaire FAM157S1A Air Conditioner

Tip

How to fix problem of Air conditioner doesn't turn on


If your central air conditioner doesn't go on automatically:
1) Be sure the thermostat is set to “cool” and that the set temperature is well below the ambient temperature.
2) A central air conditioner should be on a dedicated 240-volt circuit; check the main electrical panel and any secondary circuit panels for a tripped breaker or blown fuse. If you find the problem there, reset the breaker or replace the fuse.
3) Make sure the furnace power switch is turned on and that the outdoor condenser's power switch, which is mounted on the outdoor unit, hasn't been shut off. Also, be sure the 240-volt disconnect next to the compressor, which is in a metal box, usually mounted on the house wall, hasn't been shut off.
4) Turn off the power to the air conditioner and check the thermostat.
5) Remove the thermostat's cover and unscrew the wire from the Y terminal.
6) Turn the power back on.
7) Holding the wire by its insulation ONLY, touch the bare end to the R terminal and hold it there for about two minutes. If the compressor kicks on, the thermostat is faulty; replace it or call an air-conditioning technician. If the compressor doesn't go on when you hold the two wires together, turn the power back off and call a technician.

on Sep 02, 2010 | Heating & Cooling

Tip

How to fix problem of Air conditioner doesn't cool


How to troubleshoot and repair the most common problems with your central air conditioner Although some central air conditioner repairs must be handled by a qualified air-conditioning repairperson, you can handle simple repairs and maintenance yourself. Following, you'll find guidance based on the symptoms.

Air conditioner doesn't cool A central air conditioner that runs but doesn't cool may just need to be cleaned. Plan to do this on a relatively warm day. The following are basic guidelines, but always refer to your owner's manual.
1) Before you begin, turn off the power to the unit. There is normally a shut-off or disconnect panel on the house wall next to the outdoor compressor. Also shut off the air conditioner's 240-volt circuit at the main electrical panel.
2) Rake leaves and debris away from the outdoor condenser. Trim any bushes that might block airflow.
3) Unscrew and remove protective grilles and the top cover or grille from the compressor. If the fan is attached to the grille, be careful not to pull any wires loose.
4) Use a soft brush to clean dirt and debris from the fins, and then vacuum the fins with a brush attachment (taking care not to damage the fins).
5) From inside the unit, use a hose and nozzle with a trigger-grip to spray debris from the fins (protect the wiring and motor with plastic sheeting or a large plastic garbage bag). If your owner's manual calls for lubricating the motor, do that now--but don't overlubricate.
6) Reassemble the unit.
7) To test it, turn the thermostat to "Off," reset the power at the disconnect by the compressor and the main panel, and then set the thermostat to turn the unit on. Important note: To avoid straining an air conditioner's compressor, wait at least five minutes between turning it off at the thermostat and turning it back on. Let it run for a few minutes, and then feel the two pipes that connect to the condenser unit on the air handler (slide any insulation back). One should feel warm, the other cool.

on Sep 02, 2010 | Heating & Cooling

1 Answer

Frigidaire FRA256ST2 compressor stays on for about 3 mins then goes off for about 3 minutes, we have the temp set for 76 and it says 80 on the thermostat


Hi,

Here is a tip about troubleshooting your air conditioner...
There are many things that can cause your air conditioner not to cool...

AirConditioner Trouble - Review the Possibilities

heatman101

Jun 02, 2011 | Frigidaire FRA256ST2 WallWindow Air...

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.


http://www.fixya.com/support/r3636709-size_air_conditioner_need

http://www.fixya.com/support/r3623253-window_air_conditioners_clean_every_year

http://www.fixya.com/support/r3633369-portable_air_conditioning_great_portable

http://www.fixya.com/support/r3623166-heating_air_conditioning_scams

http://www.fixya.com/support/r3597468-you_can_add_air_conditioning_to_your_hot

http://www.fixya.com/support/r3583697-how_to_keep_house_cool_without_using_air

May 29, 2011 | Haier HWR08XC7 Air Conditioner

1 Answer

MY frigidaire Air Conditioner model number: FAC107P1A2 has suddenly stopped blowing cool air. Check Filter light comes on but filter clean. Press Check Filter light button and blows out cool air for...


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.


http://www.fixya.com/support/r3636709-size_air_conditioner_need

http://www.fixya.com/support/r3623253-window_air_conditioners_clean_every_year

http://www.fixya.com/support/r3633369-portable_air_conditioning_great_portable

http://www.fixya.com/support/r3623166-heating_air_conditioning_scams

http://www.fixya.com/support/r3597468-you_can_add_air_conditioning_to_your_hot

http://www.fixya.com/support/r3583697-how_to_keep_house_cool_without_using_air

Aug 24, 2010 | Frigidaire FAC107P1A Wall/Window Air...

1 Answer

Compressor wont turn on. fan runs central unit


first check you thermostat settings and make sure that it is on a cooling setting if ok it can be the fuse that sends the power to the outside unit if fuse is ok it can be the capasitor for the compressor if ok you may have to check the compressor for open windings or ground fault so you will have to replace the compressor or the relay which is after the thermostat

May 03, 2010 | Amana PTH153B50AE Air Conditioner

1 Answer

Airconditioner turns on and off automatically.


It is normal for an air conditioner to turn off and on automatically. This keeps it from making the room too cold. If it has a digital thermostat, set the thermostat to what temperature you want it to be in the room. If the air conditioner has a knob that says "colder", you let the air conditioner run until the room is comfortable to you and then you turn the knob very slowly toward warmer until the air conditioner turns off, and then very slowly turn it back to colder until the compressor comes back on. It's normal for a non-central air conditioner to run the entire time you have the power turned on but the compressor, which provides the cooling, will turn on and off when only when cooling is needed.

Sep 20, 2009 | Samsung AW0603B Air Conditioner

2 Answers

Thermostat position?


The thermostat control alows you to set it at whatever your desired room temperature is. It will keep the compressor on until it reaches your desired setting and then turn the compressor off.

Aug 14, 2009 | Frigidaire FAH08EJ1 Air Conditioner

2 Answers

Central air conditioner doesn't turn on... Any suggestions?


If the compressor turns off and won?t come back on during a very hot day, the unit may have built up a high "head" pressure and the high-pressure limit switch may have tripped. This is usually located right inside the access panel on the compressor unit. Simply push the button to return it to operation. If your central air conditioner doesn't go on automatically: 1) Be sure the thermostat is set to "cool" and set below room temperature. 2) A central air conditioner should be on a dedicated 240-volt circuit; check the main electrical panel and any secondary circuit panels for a tripped breaker or blown fuse. If you find the problem here, reset the breaker or replace the fuse. 3) Make sure the furnace power switch is turned on and that the outdoor condenser's power switch, mounted on the outdoor unit, hasn't been shut off. Also be sure the 240-volt disconnect next to the compressor (in a metal box, usually mounted on the house wall) hasn't been shut off. 4) Turn off the power to the air conditioner and check the thermostat. 5) Remove the thermostat's cover and unscrew the wire from the Y terminal. 6) Turn the power back on. 7) Holding the wire by its insulation, touch the bare end to the R terminal and hold it there for about 2 minutes. If the compressor kicks on, the thermostat is faulty; replace it or call an air conditioning technician. If the compressor doesn't go on when you hold the two wires together, turn the power back off and call a service technician.

Jan 18, 2006 | Haier Energy Star ESA3183 Air Conditioner

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