Duanebalogh Posted July 28, 2021 Share Posted July 28, 2021 We have a 2006 Monaco Executive and we have 3 A/C the front one works but the middle and back ones wont go on. We checked all the brakers and their all set. Could someone he me on that. Second. On our front Monitor Screen it comes up saying NO AC PRESENT. It is plugged in and both legs of the power are hot. thank you Duane Link to comment Share on other sites More sharing options...
vito.a Posted July 28, 2021 Share Posted July 28, 2021 The rear two ACs are controlled from the rear thermostat. I'm guessing it's in the bedroom. It has a small black switch on the bottom. Slide it towards the rear to turn on. Depress the mode switch until you see AC in the display. Set the temp to about 72 degrees and the fan to Auto. Now depress the bottom zone switch to display the second zone. Then set the mode switch to AC again as well as the temp and fan. It takes 5 min before they will turn on. Good luck! Link to comment Share on other sites More sharing options...
Duanebalogh Posted July 29, 2021 Author Share Posted July 29, 2021 We did all that and it still won't come on Link to comment Share on other sites More sharing options...
Ivan K Posted July 29, 2021 Share Posted July 29, 2021 Not a sound of fan or even buzzing from up there? If not, the phone type cable at back of the thermostat may need cleaning. The other side of the cable may be a suspect too if that does not help. There should be a phone cable connector/splitter behind the inside difuser, likely connecting 2 gray cables and one black. If it comes to it, I would, start with whatever is your zone one, probably the bedroom one. Link to comment Share on other sites More sharing options...
cbr046 Posted July 29, 2021 Share Posted July 29, 2021 One leg of the monitor should be hot, the other "not-so-hot" as it would be the return line. It should be same as the ground lug. The question is whether the monitor and HVAC problems are related. I wonder if there's an issue with your power cord to the pedestal. Check the pedestal breaker also, making sure both sides are engaged (ganged breaker). Sometimes a breaker can look ok but actually be tripped. To really check it you need to flip it off then flip back on. I'd do this on the coach breakers and the pedestal. Good luck, - bob Link to comment Share on other sites More sharing options...
Duanebalogh Posted July 29, 2021 Author Share Posted July 29, 2021 Thank you well try that and let you know. We're not at a park we have our coach in our shop plugged into 50amp. We've checked all breakers and turned them off and on. Is there other places in our coach where the breakers are? We found them in the back over our washer/dryer. Is there another place for others? Link to comment Share on other sites More sharing options...
Duanebalogh Posted July 29, 2021 Author Share Posted July 29, 2021 Got our ac fixed it was tge cable plug and we unplugged it the plugged it in now all 3 acs are working. We cleaned the filters while we had the ceiling down. Thanks for all the help Link to comment Share on other sites More sharing options...
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