thermostat seems to have a 00 code?

MiltLaycie

New Member
Joined
Jul 16, 2025
Posts
1
Location
Michigan
We have a 2010 Montana 3150RL and the (RV Comfort) AC/Thermostat was working for our last week of camping. When we pulled it home and plugged it in to cool off, the AC would not shut off. The RV Comfort thermostat had 00 where it would normally tell you the temperature in the RV and the buttons that would normally raise or lower your desired temperature settings did not work/did not change the "00" "zero zero" on the thermostat. Also when I switched from COOL to OFF, the AC did not shut off. I disconnected the 50amp power, still had the 00, from DC power. Pulled the fuse in the thermostat and it went back to "normal" with a reading of 72. I thought it was fixed. When I came back later, it had returned to the "00" reading so I disconnected the 50,amp power again (to turn off the AC unit). Anyone have any similar issues or ideas for a fix? Thanks in advance for any assistance.
 

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