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No servo errors have come up. And taking the servos offline doesn’t change any behavior. Autopilot is not failing, just the panel. Dynon cannot figure out how anything else on the network would cause these failures either. None of it tracks. And it’s not repeatable now. It was for a while...

What’s contact 1 input? 150 emails back and forth with Dynon including sketches and photos and video.

Spoke too soon. Failed after takeoff today. Same failure mode. We've ruled out the 12v trim section of the equation. Have two new HDX screens, new AP panel. and something in the system is still seeing a runaway pitch trim. Also something causing power to the trims to be shut off. and...

Two new HDX screens installed today. Coping config files off the old screens meant setup was easy. Updated software indiviually. Did network detect. Added tach and hobbs times to new screen. Configured bottom band for engine gauges. Done. And NO failures. No AP panel offline and trim...

Intermittent times to fail now but still 100% failure rate. Cannot correlate it to anything. Even removing the suspect screen from the whole equation and it still failed. Got my options from Dynon today. I chose option 3. Out of pocket full retail for two new HDX screens. Then I’ll send...

100% failure rate today regardless of how I boot the system up. Ball is in Dynon’s court, waiting to hear back.

Spoke with Dynon today. We're pretty much settled on it being some issue in a screen / network loader. Like I said my second screen is an old serial number and old hardware version (1). I may as well upgrade to the HDX now. Dynon is talking options, waiting to hear back, but we have the...

Fixed the fuel flow. Not related to anything else. Pin 5 on the Dynon D9 network cables is 12v. Passes through all components to power stuff and things. That power goes straight through the EMS to pin 15 for the sole purpose of powering fuel flow meter. Pin 5 on the back of the right...

New theory from Dynon is that the network is overloading and kicking the AP panel (and somehow trim) offline. Even though we have software showing trim runaway. Anyways....easy to pull some breakers. With two items powered down and not online on the network there is no failure. With one item...

Spoke with Dynon on the phone today and a dozen more emails. The AP panel has two D9 connectors and a D15 which holds trim power and ground and all trim switch wires. The software guys saw several repeated instances of runaway trim. Though my trims never moved and I never got s trim switch...

Still waiting to hear from Dynon. They are going back over diagnostic logs now that they can narrow the search. I did a network configure after the AP panel offline master caution to remove the panel from the network. Funny thing…even after doing that the trims still fail after the slave...

Totally can if I wanna go flying or need to take the airplane somewhere. Sounds like they are building a screen for me to swap in right now. We’re thinking a component inside one of the screens is bad. So I’m in the middle of differential diagnosis right now. Don’t wanna put it all together...

Spoke with Dynon yesterday. No one can figure out how I’m getting a failure that’s not possible yet. They aren’t very suspect of the new AP panel. Waiting to see how we will move forward. Hopefully hear more later today or tomorrow. I’m grounded until it’s fixed. No trims means no fly.

Back from work. Two new network cables installed to the back of the AP panel. One goes to the hub and the other to the right hand screen. Got the failure 7 minutes after power up. Then 3, then 2, then as soon as the right hand screen booted. Repeat as much as you wanted. After a few...

Since we know it’s a network issue that’s leaves us with the AP panel itself, the two screens and the cables. And since the failure is only happening after the right screen boots that narrows it to one screen, one cable, and the AP panel. Given it’s a failure mode that’s not possible should...

Trims go through the AP panel. And that’s the frustrating part. Shouldn’t lose trim when you lose the AP panel but I do. It’s a failure not possible and Dynon at this point is stumped. I swapped screens left to right and the problem doesn’t follow the screen. Though it is intermittent and...

Can only display nav info on the Dynon. It’s not part of their sandbox so all inputs have to be on the Garmin. I have one, and the screen swiping for a letter suck but you can still spin the knobs like the old 430/530 so it’s not so bad. You enter your flight plan once and likely don’t touch...

New network cables going in Friday when I get back from this trip. Will swap D9 left to right before that and see if behavior changes. Then new cables go in. Its behavior is a computer or network issue for sure. Whether that’s boot code or bit flip or cable who knows. No trimamp...

Another nugget of info and a reminder as to why this is a huge deal. When I get the AP panel offline master caution I lose my trim. That’s not suppose to be possible. As long as you got power and ground running through the panel trim is fail safe. Well it’s not. Now if I have...

Cool thanks! Check that box.