In my ongoing tests and Dometic improvements, yesterday I switched from AC
to LP, but accidentally forgot to change the switch to to Gas.  So the
burner ran all night, but the switch read AC.  It cooled VERY poorly during
this time, though it did cool some, and when I found my mistake and made the
switch read "Gas", then it started cooling normally.  What is going on here?

Thanks,
Paul

P.S. As an aside, yesterday I removed the grill behind the range.  It's
virtually invisible anyway and I figure removing it improves the efficiency
of the hot air rising off the back of the fridge by around 50% or better.