2000 monaco diplomat Replaced both AC units with dometic penguin heat pumps model 651816.Replaced thermostat with new ccc2 10 button thermostat. So 2 zones. Zone 1 (front unit) works great on everything, ac heat pump furnace etc.System will not pick ...
Problem Solved....There were 2 separate issues.1. The communicatiion cable between the 2 units was damaged and not sending signal. Replaced the cable with a new one. 2. The control board in the new "zone 2" AC (the back unit) was damaged. dometi...
Reply to Doug Rainer 1. Front unit was replaced 2 years ago with a "temporary" one. Back unit was 20 years old. Going with new heat pumps and new thermostat. 2. Used new dometic supplied cables.3. Connected to the connector box at the end of the s...
Thanks. I'll try those suggestions. Also, when I connect the front AC (zone 1) to the back unit with a new cable, the rear runs although nothing shows on thecthermostat.
