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ClassA0127's avatar
ClassA0127
Explorer
Feb 24, 2019

Thermostat not shutting a/c off

I have a 2015 Thor Hurricane 32N with two Coleman/Mach 13,500 BTU a/c units which are controlled by separate thermostats. Both a/c units are working correctly but the thermostat doesn't cut one unit off automatically. If I manually raise or lower the temperature on the thermostat by sliding the dial the a/c will run or cut off. Also, the unit will come on automatically.

Any suggestions?
  • dougrainer's avatar
    dougrainer
    Nomad
    Feb 25, 2019
    Either swap the tstats and see if the problem moves or replace the Tstat. IF you can manually move the temp slider and the AC responds---replace the tstat. Doug
  • bucky's avatar
    bucky
    Explorer II
    Feb 25, 2019
    Turn off the one that you think is working properly and see what the other one does.
    If it works then consider running them both from the same thermostat if it concerns you. The down side of that is over kill on the BTU count and frequent on/off cycles.

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