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What does Ducati warning light tell you?

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rparigoris

Joined: 24 Nov 2009
Posts: 808

Posted: Wed Feb 17, 2010 10:26 pm Post subject: What does Ducati warning light tell you?

Hi group



I am planning panel at moment for where to position warning and indicator lights (LEDs).



I can find in many Rotax manuals specifications for Ducati regulator warning light and how to hook up. After over an hour of searching piles of documentation I still can't find what the indicator is supposed to do and indicate.



I imagine it will probably glow when voltage falls below some threshold indicating there is no charging going on, but I am not sure. Is that all it does, or does it perhaps flash to indicate over voltage? Somehow indicate something else?



Answer appreciated, but answer and pointing me where  Ican find that information specifics gets a double dose of appreciation.



Ron Parigoris

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air.guerner(at)orange.fr
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Posted: Thu Feb 18, 2010 4:35 am Post subject: What does Ducati warning light tell you?

Hi Ron,

  

 I do not know of any documentation on how this  light works but based on my experience in the field this is what I can tell  you:

  

 The only thing it does is indicating  whether the integrated permanent magnet alternator is supplying power  or not. 

 1. Engine not running, battery master on,  alternator master on: le light is on.

 2. Engine not running, battery master on,  alternator master off (which means alternator disconnected from the bus): the  light is off.

  3. Engine running, battery master on,  alternator master on: the light is off: this is the normal  condition.

 4. Now if you turn the alternator master switch off, the light does not  turn on. This is because the alternator is still supplying power.

 5. From the normal condition 3. above:  if you experience an  overvoltage (due to regulator failure) the light does not turn on.

  6. From the normal condition 3. above:  if you experience an  undervoltage the light does not turn on.

  



 As a conclusion, it would be nice to have a separate warning device for  under/overvoltage conditions.

  

 Hope this helps

 Remi Guerner

 F-PGKL



  

     [quote][b]

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