hello,...i have a new 2010 jayco jayflight G-2...for 3 mos its been near a lake,..however,this last trip,the a/c is shutting off,and sometimes throws a brkr....does'nt matter wjere the thermo is set,..even fan wont come on in 'on' pos,when it does this?..i was thinking a thermo switch,may be opening,unit too hot,etc?..any info pls........jwb