Dometic AC 13.5K fan failure.
2005 Mobile Suites fifth wheel 36 ft with typical Dometic set up. Zone 1 Living area has 15K A/C with HP. Zone 2 is Bedroom with 13.5K Air conditioner only. Both are OE, Furnace is 42K all hooked ...
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Had similar problem after installing new replacement acnd / heat pump.long story short . After 1st extremely well qualified tech installed unit it would not work. Was checked by 2nd extremely well qualified tech who after 4 hours of working could find no problem. Finally called Dometic tech service and found that because of changes in units the board required to make a new unit work with old thermostat one wire somewhere had to be cut off rather than connected to the board as instruction indicated. Both tech said there are so many changes Dometic could not change instructions as fast as they made changes to units. I had called Dometic customer said I need to have a tech call them. In fact insisted on it. They were correct about that
