Question about Coleman Mach III Air Conditioner
It may be your thermostat, but try this first to see if time delay relay may be sticking. When it won't shut off, turn propane off, and go outside and unscrew the 2 screws that hold your cover on, and lower the cover down. Look straight ahead, attached to the housing of the fan up near top you'll see a square relay (time delay relay) with 4 male spade connectors, and wires attached to each. It's usually held on with 2 Philips screws. Give it a little rap with the handle of a screwdriver or similar a couple of times, and see if fan stops running. While your there as well, pull the wiring connector off the ignition board, and put back on a couple of times, to clean the connections. Now try it again, and let me know what happens.
Posted on Apr 26, 2010
I have an Atwood AirConditioner/Furnace on the ceiling of my Everest 5th Wheel that would not shut off yesterday, and then when I pulled the 12v fuse(which turned off the refridge&furnace) left it off a while, then plugged back in, after replacing the batteries to the remote control, and seemed to run fine. I am not sure,but I suspect the low batteries in the remote were the problem. Also, the remote might have accidently been set to the "I FEEL" setting, which drains the battery. The whole system was designed and made by money-hungry demonic nitwits who cannot write a good user/repair manual, but we can get thru these problems together on forums like this!
The RVparts place suggested in LV has a good website for parts and prices! Thank you all!
Posted on Mar 20, 2011
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Posted on Jan 02, 2017
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