I have a Mod# XXXXX 12K BTU A/C. The issue is that the unit cools as if the temp control is set at 80 though it is at the lowest setting, 66. The compressor just does not come on immediately when the unit is powered, and shuts off too early (after 5 or 10 min) when it does. This leads me to believe that the control module or thermostat need replacement or calibration. Is there a way to calibrate or trick out/bypass the temp control for a better diagnosis? I'm confident that the problem is not the overheat breaker on the compressor motor, or the 3 min delay. I've also searched parts dealers for the control mod and therm on the web but found the control mod N/A, and the thermostat (long tube w/small bubble on end) not listed at all.I also tried holding the therm between my fingers to heat it, but it had no effect.
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Hello Brett, Thank you, XXXXX XXXXX continue to look for a professional to assist you. Please let me know if I can be of any further assistance while you wait. Best,
Wow! At first, I'd read your handle as Drool, w/o the C, and was thinking I'm glad that I don't need to let this guy in my home! Anyway, to business.....
As for your questions, I bought the unit 3 seasons ago (I'm in NY) secondhand, and that guy is no longer with us. There's no date of manufacture on the sticker, but I think I remember running across some EER ratings on the web that put the unit at about 7 or 8 yrs old. The ambient temp in the room right now is 73, but the outside wall faces west. It gets hottest in the late aft (about 80) and the compressor does not kick in often enough. But the compressor doesn't come on even when the unit is powered on after being completely off after several days, regardless of ambient temp. I don't believe it's overheating or drawing too much current. In other words, I don't believe it's popping the circuit breaker on the compressor motor.
I'm a residential finish carpenter by trade, and I suppose I could get a meter from one of my electrician friends, but that'll take time. I've also replaced more than a few control mods as well, especially dishwashers (they break down from the steam), but I can't find a control mod for this unit. Maybe you can. While I'm on that, the model # XXXXX XXXXX provided above. The part# XXXXX the side sticker (for the unit I guess) is 88020264021056E, and the serial # XXXXX I found one MAYTAG parts dealer on the web who at least acknowledged the model#, but the control module was discontinued.
My overall question to you is this: Do you know of a way to bypass the temp control to engage the compressor directly in order diagnose it alone? Or rule out one from the other. This 12K BTU unit kicks cold as ice when the compressor engages.I'd hate to scrap it, or pay any further to replace it.
I think maybe this has gone on long enough for whatever piece of the $30 you get for your trouble. Like I said, I'm service pro as well. I uploaded a pic of the circuit board, for whatever good that might have done, but was denied access to the JustAnswer server when I tried to send it. Is the file closed again? Do I need to re-list?
Although I have not yet been able to bring this to a satisfactory conclusion, I would be happy to give you a pos rating, (so you can be paid?) if I could only figure out how!