The sniff test works too but nothing is better than feeling the temperature if the flue outlet.

Jim

>
> On Jun 14, 2019 at 9:56 PM,  <KIM BRENNAN (mailto:kimbrennan@mac.com)>  wrote:
>
>
>
>  Sadly, some campgrounds are too noisy for the audible way to work.
>
> >  On Jun 14, 2019, at 10:24 PM, Jim. Felder  <jim.felder@GMAIL.COM>  wrote:
> >
> >  As a backup means of determining if the fridge is operating (on flame, which is what the LED will tell you) you can always lay a hand on the outside flue vent. If you listen closely you can tell what cycle the fridge by the sound coming from the flue.
> >
> >
> >
> >  Jim
> >
> >
> >
> >
> >
> >
> >
> >>
> >>  On Jun 14, 2019 at 4:26 PM,  <David Beierl (mailto:dbeierl@gmail.com)>  wrote:
> >>
> >>
> >>
> >>>
> >>>  Can I jump on this thread to ask about the LED light near the bottom of
> >>>  that same panel (on my 87 Westy). I think the light is to indicate that
> >>>  the fridge is working on gas.
> >>>
> >>>  Mine has never worked and it would be nice to have. It's hard on the neck
> >>>  trying to see the flame through the tiny window at the bottom of the
> >>>  fridge. Does anyone have any thoughts on what the cause and cure might be?
> >>>
> >>
> >>  Likeliest is black wire in LED panel harness unplugged from single
> >>  connector in fridge harness. Or wire unplugged from the terminal where the
> >>  thermocouple screws into the gas valve.
> >>
> >>  After that likeliest is right-hand chip is bad.
> >>
> >>  You *cannot* test this with a 1.5V battery. The signal goes negative to
> >>  chassis ground, and the absolute maximum voltage for the chip negative to
> >>  the negative supply pin is 350 mV. If you can make a voltage divider
> >>  limited to say -250 mV max you could use that.
> >>
> >>  But when in doubt, replace the chip. Chips failing and the power switch
> >>  coming unsoldered are about all that goes wrong with the board.
> >>
> >>  Yrs,
> >>  d
> >>
>
>