Date:         Fri, 14 Jun 2019 20:39:23 -0700
Reply-To:     David McNeely <davmcneely40@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         David McNeely <davmcneely40@GMAIL.COM>
Subject:      Re: camper water level indicator
Comments: To: David Beierl <dbeierl@gmail.com>
In-Reply-To:  <CAMOH8LLuC0F0JWrdVKOWOdvjwvdjLFKyiibhsf1Gu22WdfcqHQ@mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"

Thanks to all who helped with the water level indicator.  It is the sender
on mine that is bad, but for $100 for the wand and float, I'll forgo the
luxury of having it work properly for now, since there are other things I
have to spend money on for a bit.  mcneely

On Fri, Jun 14, 2019 at 2:27 PM David Beierl <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
>