refrigerator problems

[pattypape]

Ralph;
Nixie is old,,, I remember repairing HP test equipment, lots of Nixie tubes in
the 60's

Bill 88 FC Michigan

--- In WanderlodgeForum@yahoogroups.com, "Ralph L. Fullenwider"
wrote:
>
> Not really odd in some ways. Electronics have always had the reputation of
> failing do to heat. Though todays electronics are less sensitive some
> "parts" can be and fail. You more than likely have a Dometic board
> installed and they are "potted" other wise I would suggest waiting until
> night the take the wifes hair drier out there and apply heat and see if it
> changes. You have a relay on that board that is heat sensitive or a triac
> that is heat sensitive. I remember when nixi tubes would heat up the "fire"
> spurious things would really happen then,, oops nixi tubes, am I dating my
> self or what? LOL
>
> Safe travels,
>
> Ralph and Charolette Fullenwider
> 84FC35 "Ruff Diamond"
> Duncan, Oklahoma
>
> At 02:33 PM 5/26/2009 +0000, you wrote:
> >Thanks to all who responded. I may need to replace the board.
> >
> >What's odd is that during the day it will switch to DC. At night it
> >automatically switches back to AC and stays on AC all through the night
> >and into the morning. I'm wondering if it has something to do with the
> >heat of the day? Why does it switch to AC at night only???
> >
> >It's another one of those little oddities that keeps life interesting.
> >
> >Jerry
> >85 PT40
> >
> >--- In WanderlodgeForum@yahoogroups.com, "Ralph L. Fullenwider"
> > wrote:
> > >
> > > Hi Jerry:
> > >
> > > Replace the circuit board with a dinosaur board. The board senses the
> > > changes in voltage and goes to what is sensed or default if not. 1. 110vac
> > > is first, 2. LP then 12 vdc if the other 2 are not sensed. Point is, the
> > > board is telling your system what to do. While you in there, do an ohms
> > > check on the 12vdc heater, it may be open and not working. At best the vdc
> > > setting is poor.
> > >
> > > Safe travels,
> > >
> > > Ralph and Charolette Fullenwider
> > > 84FC35 "Ruff Diamond"
> > > Duncan, Oklahoma
> > >
> > > At 04:25 PM 5/25/2009 +0000, you wrote:
> > > >I'm currently on the road and my refrigerator is doing some goofy
> > > >stuff. I believe it's a replacement to my 85 PT40. It's a Dometic 3807
> > > >Royal Designer Series. I don't have the manual for the frig (wasn't in
> > > >the Blue Box) and I've researched a little online. Here's what it is
> > doing:
> > > >
> > > > - It seems to run fine on AC setting then suddenly switches to
> > > > DC. While on AC, the number 1 setting (1 - 5) seems to stay plenty
cool.
> > > >
> > > > - When it switches to DC (without prompting while still hooked to shore
> > > > power) it tends to warm up even in the 5 setting.
> > > >
> > > > - All breakers seem to be fine and there is power at the outlet (when
> > > > tested) at the back of the frig.
> > > >
> > > > - There doesn't seem to be any rhyme or reason on when/why it switches
> > > > from AC to DC.
> > > >
> > > >Any thoughts? It might be that I am ready for a new frig (don't really
> > > >think so) or ready for a rebuild. Or, the circuit board may need
> > replaced.
> > > >
> > > >Hope you all have a great Memorial Day and thanks for your service to our
> > > >country!
> > > >
> > > >Jerry 85 PT40
> > > >
> > > >
> > >
> >
>