Simrad is40 wind speed issues

Bikerwookie

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3 Feb 2013
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Hoping someone can shed some light on this problem.

I have a smrad is40 that displays apparent wind angle but has just started displaying 0.0 for wind speed. Im assuming the cabling is fine as I am getting the apparent wind direction to the display. Am I correct in thinking the the anemometer must be at fault as the wind vane and anemometer use the same housing/data cable?
 
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