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Ok here it is and for the more simple minded at this site its gets cold or hot every place on earth in case you had not noticed so get off my arse. The unit has what is called a smart valve. The control board is giving error flashes. The coded flash says that the Primary circuit switch is...

I have a amana central a/c and heat unit about 10 years old. It has the stainless steel construction. The unit has 2 issues. The fan was at first not running but this turned out to be the control board as I think the exlosion from the heater caused two contacts to ground out against the...