Dometic A/C and CCC1 Tstat E1 error
Got the E1 error. Did the initialize and nothing. Turned unit off at breaker and pulled 12v fuse. Did initialize and it started back up. Before I do the initializing I unplug and plug in the phone ...
Forum Discussion
You do not have a Penguin model. What did you tape off?????? Did you actually see the Phone type quick connects? If you have 2 AC units, either one can cause your problem with communication. The phone type cable usually goes from the Zone 1 Roof AC to the Wall tstat. Then there is a phone type cable going from the Zone 1 to the Zone 2 control board. On motorhomes Zone 1 is the front AC. On 5th wheel's the Zone 1 will be where the Living room is located. Doug
