If the heater is blowing hot air, when it reaches the set temp and cuts off when it comes back on again it blows cold air and the unit will not blow hot again for several hours to a day or two later.
If your frigidaire is not a inverter,he doesn-t work at outside temperature down -5.if it is a inverter you don-t have enought freon .
SOURCE: FEDDERS D CHASSIS A6D24E7A
Oh, the compressor motor's borked or overworked and overheating, or its capacitor failed short (perhaps the motor is shutting off from thermal shutdown...but you get to find out whether that's so. Be safe.) Alternately the temperature sensors have gone touchy on you. Once you gently vacuum it clean, try keeping incandecent bulbs in series with the compressor to get an idea of how loaded that thing is as it runs for those 5 minutes or so; the load might change more than you expect, just pay attention.
Hopefully you won't have to replace the compressor or motor; but it's doable if you're a certified technician with like equipment (so you can handle the refrigerant decently.) Most shops will streamline a bunch of similar jobs together to cut the waste and setup time.
Bigger conditioners are so much more efficient than little ones...syndicate the A/C?
SOURCE: comp shuts off
Coils could be dirty. Compressor could be getting too hot and cutting off. Will have one fan motor that turns condenser fan and evaporator blower.
SOURCE: fan blows.. no cold air... no hot air exhaust blowing
This sounds like you either need to clean or replace the filter, but if the filter is some what new you might want to take a look at the coils just past the filter, if the coils do not have a shine to them then you might want to buy some coil cleaner (i found simple green or formula 50 works great), then you will have to spray the coils with the cleaner, let sit about 10-15 min, then give it a very good rinse with warm water. After that it should work like it is brand new. Enjoy!
SOURCE: my heat unit will not blow hot air unless we go
If it does not have a furnace or heating elements for heating, then it is a heat pump, which is rare for a central AC system, but makes sense of the fact that it blows warm air when you reset the pressure switch, which may indicates freon pressure charge problem if your AC system has a reverse valve and uses freon to for heating (heat Pump).
Do you get heating when outside unit runs? if you do, check freon pressure levels and top up to required pressures. The button you depress is a pressure reset switch ... that is if your AC system is a heat pump ... which, as pointed above, it is not common for central ACs.
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