Hi.  I am a Newbie to this site.  I own apartment buildings in Culver City, CA, and in one I have four American Standard A/C units, model ADD1A060A9361AA.  The one bedroom apartment units are two on top, over two below.  These units are about 5 years old.  The condenser units are on the roof; the balance of each A/C unit is in a dedicated closet in each unit.  I have had two White-Rodgers Intell-Ignition boards DD-C 50A65-476 in two of the units short and burn.  The system A/C installer replaced the first failed board and thought it was just a fluke.  My current A/C man, who came out and looked at the SECOND failed board said he thought the relay in the transformer failed and caused the fire on the board.  Is there a known problem with these White-Rodgers Intell-Ignition boards?  Is this something that I should send a flare up on, and to whom?  Should I contact White-Rodgers, and how???
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