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Old 02-25-2016, 12:03 AM
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bruceh bruceh is offline
Join Date: Mar 2008
Location: Ramona, CA
Posts: 2,423

I had an issue with the VP-X +2.5V power pins on J1 not putting out any voltage. It is easy to check with a voltage meter. If the poteniometer in the trim unit doesn't get any voltage it will always report the same value (in my case 0) for any position. I ended up sending the VP-X back for repair and that fixed it.
Bruce Hill
RV-9A N5771H flown over 800 hours!
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