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Traveller30

NRG 200P Wind Vane stopped working

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 Hi



I'm using the NRG 200P wind vane for wind direction on the roof of
a building.



Several days ago my sensor stopped working , so I opened it , and
found a lot of rust inside , I cleaned it up , but still the sensor not working
any more , it always gives me the same reading , 5V ,(I feed the power chords
with stable 5V) , I can?t understand whats gone wrong?



I
saw a capacitor inside, it was rusted and not functional, but I can?t believe it?s
the reason, I think its purpose is to reduce noise.



Any
ideas what gone wrong?



I
added a photo of the open sensor

https://drive.google.com/folderview?id=0BwE-Ba3ePCwOQWc3ZmJkdlRUd2s&usp=sharing

 



Tnx
in advance



Roman



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 I have attached testing instructions to this post: Testing200PVane.pdf

.Testing200Pvane.pdf

Have you performed these tests? 

 The pictures you posted do
show a fair amount of corrosion. If the sensor fails the tests in in the
attached document the potentiometer may be damaged.

 

The component you saw is not a capacitor, it is an ESD protection device to short all voltage spikes to ground. 

 

 

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