No matter what I set it on the compressor never goes off even if I have it set to fan only or have it set of 88 degrees.. It will ice up behind the filter so I unplug it. When I plug it in the next day its the same thing. The compressor comes on even with the unit turned off or put on the highest temp or fan only does not matter.. Its the AEY08F2F
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Your issue sounds like either a bad "pressure switch" or that the unit is low on "Freon." Either of these problems will cause the compressor to start and run shortly then compressor cuts off, then and repeats itself.
From your description It really does Not seem to be a "bad board in that unit" because the compressor is starting up, even though the compressor is not staying on long enough to cool said area.
The contactor is a power passing device.Even though it is closing, it is possible its not passing the required voltage to operate other power consuming components such as the compressor and fan.Being exposed to the elements it's common for the contactor to go bad.They are fairly inexpensive and I would start by replacing it first before accusing any other component.
On this unit wiring is very basic, line in wires to the two lugs on the bottom, common as refered to is always black wire which goes to the compressor and the fan motor, red to adjacent lug of the contactor which then one goes to the capacitor and one to the compressor and one to the outdoor fan motor. One wire usually yellow from capacitor to start winding of compressor marked on the capacitor as herm, and a brown wire to the fan motor from the capacitor. The side connectors as you know go to the 24v control coil. The reason as to the fuse going out could be due to loose connections in the disconnect box or a short in the wiring at the compressor, fan motor or capacitor, and worst case a shorted compressor internally. Recommend having the system checked with the proper equipment to include an ohm meter with uf reading ability.
The fan outside keeps your compressor cool, the compressor, if left running without the fan running to cool it down can get damaged, the fan normally gets its power from a switch box located outside or near
it. or the motor on the fan could have just gone bad. the fan motor is not as expensive as the compressor to replace. its easy to replace. sometimes what goes out 1st on these motors is the capacitor,the capacitor stores enough voltage to give the motor that extra push to turn. many times its just the capacitor that goes out. when you purchase a motor make sure you also get the matching capacitor.if you can turn the fan and it starts running, its the capacitor, if it starts running and has any kind of bearing noise then you will have to replace the motor. good luck!
Sounds like you lost one of your fans if air is circulating in the room its the condenser fan. Thats what blows across the condenser coil to the outside. It may just be a capacitor thats what helps the fan get started but usually if the fan is popping capacitors there is something wrong with the fan but at the same time capacitors do just go bad. hope this helps let me know.
Your compressor contactor or relay has probably arched closed. You would need to remove the AC and take the cover off to see it. You would need to take the bad part to an appliance parts supplier to match up a replacement. Please let me know how this works out for you. Thank you. Roger
Your description is possibly a bit vauge for the problem it could be, but starting from the compressor, question is "can you hear the compressor running"? If you can then switch off quickly and check the cooling fan capacitor. almost certainly it has popped.If it has, and even with a new capacitor it wont start, then a complete condensing fan unit is required.If the compressor isnt running, then one of a few things could be the problem. A- The voltage getting to the compressor or the cap, is not correct which points to a problem with the board. B- If the compressor is jambed,(siezed),then it is bringing the voltage down to the point where even the fan cant run. Need to check those points to determine the next course of action.