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EIS400 problems

Posted: Sat Dec 17, 2016 11:35 pm
by dougmattson
I have a couple of problems with my EIS4000. Both fuel gauges will occasionally read about half what they should. This happens about every third flight. They start out ok then change all at once. I cycle power to the unit and they read correctly for the rest of the flight. The second problem is the buttons will not work when the unit is cool.(less than 20 degrees F) The plane has been flying since 2009.