Dometic CCII Control Board for Penquin II
Hi, new here to the forum. One of my roof AC units quit. It doesn't do anything. I measured voltage on the board (115VAC) but nothing coming out of the board. The board has P/N 3312227.000 on it. A...
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E1 is communication error, which you have fixed with the new modular connections. YES, Zone 1 is NOT listed and is the default Zone 1 for the Dometic system. The 2 COM cables for each AC control board. There is no preference at all. You can use either one. EACH does the same thing. Are you stating you did NOT see any corrosion on the ends you replaced? Remember, EACH AC, you have the 2 modular connections on the Control board, THEN BOTH those com cables go about 18 inches and then connect to the supplied unit a quick connect union. So, in your 3 AC system, you will have a total of 11 modular connections. Did you replace all 11? Some are NOT used, but need replaced anyway. Doug
