When one or two functions on ultrasonics fail, it is usually the remote - the rods corrode, the mounts deteriorate, or the striker has deformed. Got another remote to try? If not, take a close look at the rods and mounts in your remote. Post pix if you can - I've seen just a speck of encrusted dirt kill a function on the clicker remotes.
3/4ths of your remote receiver are known good if you have any functions working.
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Brian
USN RET (Avionics / Cal)
CET- Consumer Repair and Avionics ('88)
"Capacitor Cosmetologist since '79"
When fuses go to work, they quit!
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