One of our Duo-therm rooftop a/c's on our motorhome blows cool air then starts b

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    MikeRVposted 8 months ago

    One of our Duo-therm rooftop a/c's on our motorhome blows cool air then starts blowing hot air

    It seems to work for a few minutes, then makes a noise and starts blowing hot air like the heat pump is on.  The rear one works fine.
    Duo-Therm Model 630516-331

 
working