Hi Alan
Had similar issue on my Horizon WS150. Hopefully my fix can help you. My biggest issue is these parts are no longer available and was reluctant to get a whole new system. Easily disassembled – remove vane, then top is just friction fit with o-ring seals to main body to access circuit board. While the board is not serviceable, my issue was the wires are extremely thin and the solder connections failed / in process of failing. Most likely cause is corrosion over many years. Used electronics pencil solder iron to carefully resolder. Reassemble. Works perfectly. John and Maryann Legacy III 1982 C&C 34 Noank, CT From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of ALAN BERGEN via CnC-List Sent: Thursday, April 05, 2018 12:54 PM To: C&C Cc: ALAN BERGEN Subject: Stus-List Mast Sensor I have ST60+ instruments. The wind direction indicator reads erratically. Sometimes it reads correctly, and sometimes it's off by a lot. Is the sensor serviceable? Alan Bergen 35 Mk III Thirsty Rose City YC Portland. OR
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