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Old 02-17-2016, 10:45 AM
rleffler's Avatar
rleffler rleffler is offline
Join Date: Jun 2006
Location: Delaware, OH (KDLZ)
Posts: 4,229

I have a different vendor's EFIS and a VP/X unit.

The trim monitoring is just reading the resistance of a potentiometer.

I would recommend taking your own reading with a VOM and both full and down trim positions.

I would then ask Dynon if there is a debug mode in which you can tell the value of the data they are receiving from the VP/X.

Chad should be able to tell you what the VP/X outputs based upon your resistance measurements. Then you should have enough data to tell where the problem may be.
Bob Leffler
N410BL - RV10 Flying
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