yesterday, the fan outside shut down, and no cool air was coming out of any vent. I turned the thermostat to fan only, thinking that something might have frozen, hoping it would defrost, but 4 hours later, i hit the reset button on the fan, it started up, theni switched the thermo back to cool. It seemed to work for 5 minutes, then the outside fan shut down again...no more cool air. This morning I jumped in the attic to see if the filter was dirty, and I found NO FILTER INTALLED. I rent, so my investigative possibilities are limited. This system is 2 yrs old, put in when the landlord bought the property. Any assistance is greatly appreciated.
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