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Re: Europa-List: Voltage reading of 25V

Subject: Re: Europa-List: Voltage reading of 25V
From: Bud Yerly <budyerly@msn.com>
Date: Wed, 28 Jul 2010 19:37:03
Karl,
Not knowing your bus wiring,
Do you have a spare / backup battery, and if so did it accidentally get 
wired in series?
Double the voltage and a higher than normal voltage to the sender tends 
to drive the pressure up and temps down (I think, I may have to do some 
research as I may have that backwards.)

I know, dumb question, but I thought I'd ask.
Bud
  ----- Original Message ----- 
  From: Karl Heindl<mailto:kheindl@msn.com> 
  To: europa-list@matronics.com<mailto:europa-list@matronics.com> 
  Sent: Wednesday, July 28, 2010 3:23 PM
  Subject: Europa-List: Voltage reading of 25V


   
  This one is for you electric specialists:
   
  All I did was to move the battery back to the firewall from the rear 
fuselage. I fire up the engine for a highspeed taxi test for my MG 
configuration and I get a voltage reading of 25.
  I swapped regulators - I always carry a spare  - but no change. I also 
get the same reading with the alternator switched off. What could I 
possibly have screwed up ? 
  To make things even more perplexing, the oil pressure indication does 
not drop below 93, as the engine is warming up, but maybe the two are 
somehow related. All readings are from the EIS. Never had a problem like 
this before. 
  Any help appreciated.
  Thanks,    Karl


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