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We have a 2009 Flight Design CTLS here. We have the EMS 120 but, my understanding is the the EGT and CHT circuitry in the 120 and skyview are pretty equivalent. The CHT and sometimes the EGT sky rocket when the PTT is pressed and more commonly when the electric flaps are moved. We just...

To all Flight Design CTLS owners. The problem above was real and repaired by replacing all the grounds in the airplane.

When flying and a load is put on the aircraft like the push to talk or flaps.  The Oil and CHT skyrocket off the charts.  Even after the load is taken away the readings stay high.  The only way to return the dynon to normal function that we have found is to reset the master circuit breaker...

I have the EMS-120. I was cycling the master switch to turn off all power. I hunted the faulty ground some more, and don't seem to have any grounding issues. I removed the plug from the back of the unit blew it clean with some air and plugged it back in. I spoke with someone at Dynon support...

I am also having this same issue in a FD CTLS with 1000hrs on it. After 20 mins or so I get an erratic high CHT reading on both CHT readings. I tried adding a jumper from the engine straight to the neg side of the battery, and it did not help. If I shut the dynon off and restart it, the...