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Date:         Sun, 11 Jun 2000 00:36:24 -0400
Reply-To:     David Beierl <dbeierl@IBM.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         David Beierl <dbeierl@IBM.NET>
Subject:      Re: Fridge burner LED
Comments: To: Ron Bloomquist <roadcow@MCN.ORG>
In-Reply-To:  <001301bfd2fa$101dab20$b51fd1d1@ronbloom>
Content-Type: text/plain; charset="us-ascii"; format=flowed

At 12:36 6/10/2000, Ron Bloomquist wrote: >On my Fridge burner LED I have noticed it is lit when using propane, >switched to 12 volt battery when the engine is running or, when plugged into >110 volt shore power. Basically anytime the fridge is in cool mode no >matter what the power source.

Hi Ron -- I'm surprised you see that with 110v. Might want to chase around with both AC and DC meter and check your grounds. Anything at all that moves the LED panel ground positive to the thermocouple output by more than a millivolt or two will light the light. As you've seen, any significant DC load on that circuit will do it.

Whatever's happening on the AC side, I'd expect that the LED is actually flickering at line frequency when it's lit for that reason. You can check by flicking your eyes from side to side while looking at the LED, (or by putting an AC meter on the LED -- most digital AC meters reject DC).

d David Beierl - Providence, RI http://pws.prserv.net/synergy/Vanagon/ '84 Westy "Dutiful Passage" '85 GL "Poor Relation"


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