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Old 09-16-2021, 06:17 PM   #1
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Join Date: Nov 2014
Location: Santa Rosa,CA
Posts: 57
New Dometic 15000 replacing 15000 now both ACs wont work

Replaced a dometic 15000 with a new Dometic 15000. Now the thermostat shuts off and neither AC is working. Any ideas? 2007 Monaco Diplomat.
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Old 09-16-2021, 06:19 PM   #2
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It was the front replaced and now back is not working.
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Old 09-16-2021, 07:59 PM   #3
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Location: Tucson, AZ
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Did you use the conversion control board so the new A/C is compatible with the older 5 button thermostat?
Or did you use the new CC2 programmable thermostat?
The new CC2 thermostat is not compatible with the older A/C units.
Or, the control board dip switches are nor correctly set.
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Old 09-16-2021, 08:27 PM   #4
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Location: Santa Rosa,CA
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Thank you. The Tech did not use the conversion board. I gave him your previous writeup. Same unit. Were back to the shop monday. Thank you. Very helpful. We should be good now.
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