I have a new masttop windvane that feeds a new i70 display (as well as a new MFD es98 on the network). It worked fine for a few weeks, but now suddenly only displays the wind speed... the yellow direction arrow is always at 6 O'Clock and steady. When I disconnected the plug at the bottom of my mast, the speed and the yellow arrow (that was pointing down) both disappeared... when reconnected, both come back on the same as before.. showing wind speed but only a yellow needle pointing down again. From the deck I can see (thru binoculars) that the masttop vane seems to be both spinning AND following the wind direction. Any idea why it suddenly stopped reporting wind direction?
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