Dometic Duo Therm Thermostat / Zone 2 issue
We have a 2003 Newmar Dutch Star with 2 Penguin heat pumps and a 5 button Dometic Duo Therm Thermostat. It was working, but suddenly couldn't see zone 2. It would blink 2, but wouldn't allow any inp...
Forum Discussion
Mine has like a telephone cable which is a digital communications cable. Might try unplugging and plugging the cable back in at the thermostat and then take The inside air conditioner covers off and unplug and plug that communications cable. If you can find someone to help you you can take the outside covers off of the AC units and unplug and replug the cable back in there on the circuitboard. If that does not correct then see if you can find a mobile tech to come and troubleshoot. You may call me if you wish and I will try to help you over the phone.
