My compressor never goes off, even when temp is on lowest setting, and after leaving it on for quite a while there was not much force to the air coming out anymore. Is it freezing up? Why doesn't the compressor ever go off like my other AC unit?
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Sounds like you may have a couple of problems there. First, have you checked incoming voltage to make sure you are getting 100-120 VAC at the AC control board in ceiling? If that's ok, try removing/disconnecting Ac compressor wire at ceiling control box and see if compressor shuts off then. May be a capacitor for compressor going or shot, and possibly relay in control box sticking, or bad wiring to thermostat. Have you had any lightning in the area prior to all this happening?
Possible problem with the thermostat which might be sensing the wrong temperature and so is not switching ON the compressor. So if the AC works once it is ON then the gas and compressor seems good. So you must check the thermostat and control board. Set the AC to a lowest temp and try.
what this simple indicate is that the thermostat of the power regulator is weak , meaning tat it will need a replacement with a better one .
the thermostat is connected to the compressor at the back of the air regulator it is black in color it look like a pot .
To locate this thermostat easily ,please trace the wire ( that supply power ) to the air conditional ,to what i connected to that is thermostat it i the power regulator it means thet is weak repleace it with a better one from any good tech office or shop around your vicinity please do this with care and make sure that all wire are well coonected back to the position as it was.
no freon.. pressure test w/ nitrogen. 8000 btus is now junk. Spend the money on new unit otherwise find the leak. It leaked out thats why the compressor will never go on. Once you add freon she'll turn on...same as car.
Dont buy that name brand again. best of luck to you
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Remove the front cover. Check the routing of the temp sensor wire. It should go from the bottom of the control panel to the plastic clip in the evaporator coils. If it is touching the eavporator coils it will sense the refrigerant temp and cycle off early. If the unit is freezing up there is a restriction in the coolant lines and usually will require the coolant system be purged of foreign internal debris.
Does the thermostat have a mercury bulb in it, if it does you need to level the thermostat.
When you take the cover off, on the sub base there should be a couple of marks or grooves
One on each side of thermostat, you need to take a level and loosen the screws on the sub base
And with the level completely level align those two marks with the level.
If you don’t have a mercury bulb, then your thermostat may need the heat anticipator adjusted, some you can adjust the bi-metal coil, but I haven’t done that, so I couldn‘t tell you how to do it, or you just have a bad thermostat.
If you have an electronic thermostat, they can short out, leaving the compressor running. Also, the big relay that runs the compressor can get its contacts welded together. See if the contacts are stuck closed.