be sure the ribbon cable is connected inside the main unit as it would come out on mine if the clip was not secure.
it two attemps before i got it locked in correctly.
it is a very poor designe , but simply plan for a replacement every year ! especialy if you live in a northern climate as the copper inside gets stiff in cold.
never fails first real cold day after summer every year it dies on mine
Prime_8
August 2009