Follow-Up:
I have the same problem with mt 1996 rialta,it has a 7,100 coleman,I also brought it back they serviced it and said nothing was wrong.It is too small I would like to see the pres. of winnebago sit in my rv in west texas in july with his suit and tie on and not sweat.why even put it on the roof.I am now looking to put a larger one,the old one might be big enough for my dog house.