My 2 roof top A/C units were replaced in November 2014 w/ new Dometic 15K units and also installed was an upgraded new thermostat. The rear unit will not come on. I checked the thermostat for inside t...
Doug it's a 10 button tstat, the inside temp of the bedroom was 85 degrees when it read 57 on zone 2 on INSIDE temp button. Could be the sensor, where is the sensor located?
Zone 1 Inside temp button is reading within 1 degree for room temp and is working properly.