Clean your return air filter, and while you have the front cover off you may want to clean the evaporator as well (it's the silver grill looking thing) some compressors come off their springs during transport and will rattle for years but still work fine.
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Hi, it sounds to me like you are loosing this motor. Normally when a blower motor fails, which in your case you have a dual shaft motor which also cools the outdoor coil, the condenser, and blows cool air indoors. If it started blowing smoke inside and you smelled an electrical smell, it was either the motor has a burned spot on the armature from dirt or age. If the motor seems to be running ok, try switching it to cool to see if the compressor is working, and do this to all positions on the selector switch. Wait about 5 minutes in between. If all is working properly, its only a matter of time before the motor fails completely. I would run it until it dies out. There are many safetys on the unit, so you are in no danger of a fire when it fails, it will just make noise and freeze up. You will save money if you replace the complete unit and not the motor. If you call out a tech they will remove it and take it to there shop to make repairs charging you by the HR, and this will add up including the cost of the dual shaft motor.Please take my advice as I have had to do this many times before. Sincerely, Shastalaker7 A/C, & Heating Contractor Ps, Please keep me posted and be kind in rating any help I have been to you? Thank you!!
Check for blockage of the air pathway. Check that the fan turns freely, as the bearings or bushings could be shot. The fan blades could also be loose. You might just want to replace the fan, as it is cheaper than replacing bushing/bearings.
Drop in a Frigidaire 25,000 btu, 230-volt Electronic Control Air Conditioner (Model #FAS256R2A). It is Way More Cooling than you need, but it is a very efficient unit and will provide quiet, nearly instantaneous room temprature reduction! Width 26-1/2... Height 18-5/8... Wall Sleeve Included... about $450.