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Thread: EFWD Build

  1. #1051
    Senior Member Cherrybark's Avatar
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    Default Re: EFWD Build

    I started a new thread on how the 912iS is wired into the Garmin system and what outputs you should expect to be displayed.
    Carl Strange
    Flying
    SS7, 912iS, Oratex, G3X

  2. #1052
    Senior Member efwd's Avatar
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    Default Re: EFWD Build

    Thank you so much Carl. That was a terrific piece of information. So I am now home from trouble shooting my Gremlin. I can get wordy so be warned. I went to the plane and replicated the exact thing that Carl provided in the link. Perfect, or so I thought. I'll come back to that. I put the engine cowl back on after checking all my connections. Found only one problem. Remember the spring steel clips I have mentioned, the ones that hold the connector tight with the Manifold? One of them had been installed where only one half of the connector was being secured tightly. Difficult to explain but I fixed that. I ran it up without any trouble. I then turned off the master power switch to see if the panel fails the same way. It did. I then Departed the airport to a 2000ft altitude as provided by the tower for an orbit over the pattern. I lost the panel at 2000ft on downwind. All came online again as it has been doing. Landed witout any of the PFD functions operational. I must say, people are correct when they say a Kifox is easy to handle even without instruments. I also note that the LANE A light never came on. So on the transient parking ramp I removed all the connections from my VPX and reconnected them. I wiggled and shoved the connection at the back of the master power switch. There was a little play noted but it was securely fastened. I asked for the active runway and orbited for 20 min without any problem.
    Back to the G3X link. What is described is perfect for those failed sensors and the like. But, what about those items that have plagued me? Intermittent errors. If you have a part like my coil that works intermittently you will not see the problem when you power down the system (G3X touch) and reboot while holding down the menu button. That is how you enter the Configuration page. So, I will skip to the Garmin phone call. I think Carl talked about this. They state that if I configure the system to down load all data to an SD card on the face of the G3X you can retrieve all of it from your laptop. I did not do that today because I did not have a clean SD card they recommended. However, I have the SD card that was in the MFD from when I updated all the Garmin software. I always leave one in the plane and one in my wallet so I just swap them as I get updates. I will need to see if the data is clear on that card. I believe I still will have one issue at the 100hr sign off though. I will need to be able to erase the codes unless you just ignore the guidance offered by Rotax, which is to erase I believe. What could the harm be if I never erase? IDK.
    Eddie Forward
    Flying
    SS7, 912iS, Garmin G3X

  3. #1053
    Senior Member Cherrybark's Avatar
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    Default Re: EFWD Build

    These smart engines and glass instruments are a marvel when they are all working well. But when something goes wrong they can be very difficult to diagnose. I suppose it's a little late to think about an engine with mags and carbs and a 6-pack panel?

    I believe I corrected the wiring from the Rotax to the GEA-24 but am not getting any readings from the engine. Do you happen to remember if there are any readings from the engine before the engine is started? Maybe live data with the Master, G3X, and Lane A & B powered up? I'm seeing "X" across the engine instruments.

    It won't be long before first engine start but it would be nice to be certain everything is working before moving to the airport.
    Carl Strange
    Flying
    SS7, 912iS, Oratex, G3X

  4. #1054
    Senior Member efwd's Avatar
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    Default Re: EFWD Build

    Shoot. I had the same issue and I called Garmin. I am fairly certain that this is resolved in the configuration page but I am not recalling the details.
    You will have everything on the screen once you have both LANES powered up and before engine start.
    Eddie Forward
    Flying
    SS7, 912iS, Garmin G3X

  5. #1055
    Senior Member Cherrybark's Avatar
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    Default Re: EFWD Build

    It's probably time that I go through the G3X configuration step by step.
    Carl Strange
    Flying
    SS7, 912iS, Oratex, G3X

  6. #1056

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    Default Re: EFWD Build

    Hey Carl, not sure if you've tried this but hold or switch on the momentary start switch, that was the recipe for me.

  7. #1057
    Senior Member efwd's Avatar
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    Default Re: EFWD Build

    I downloaded the FADEC information that is entered into my SD card I have in the G3X. I have not done much research but what I have so far is not useful at all as of yet. I went onto the Rotax site and so far I am not impressed. What I have read is that you must have taken the Rotax maintenance course to have access to code interpretation. I have the credentials so I will have to figure out where I can read the codes. Here is an example of what all the data looks like on the SD card. Useless as of yet.

    2020-07-25,19:56:09,2029649,+34.1907294,-117.9773952,5873,3DDiff,84.0,309,-33.3,27.3,2.4,302.9,5646,5645,493,70.6,80.0,6.75,0 .74,0.159,0.009,-0.076,0.3,-0.3,-0.0,+0.051,132,,29.92,GPS,L70,,25.2,318,313,2.304, +1.00,7595,1.25nm,,,OFF,SYS NOT USABLE,,00000000,,,,,,,,,,+0,+0,,-11.9,22.5,7763,10.3,72,ADAHRS1:ATT_normal:HDG_norm al,040007FF,00000000,00000000,4705,ALT,,NONE,,1440 ,1445,1520,1520,207,44.0,63,5290,23.3,14.0,0.1,4.2 ,
    2020-07-25,19:56:09,2029849,+34.1907294,-117.9773952,5873,3DDiff,84.0,309,-33.3,27.3,2.4,302.9,5646,5645,493,70.6,80.0,6.75,0 .74,0.159,0.009,-0.076,0.3,-0.3,-0.0,+0.051,132,,29.92,GPS,L70,,25.1,318,313,2.304, +1.00,7595,1.25nm,,,OFF,SYS NOT USABLE,,00000000,,,,,,,,,,+0,+
    Eddie Forward
    Flying
    SS7, 912iS, Garmin G3X

  8. #1058
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    Default Re: EFWD Build

    Frustrating. Don’t you have the program on a computer that reads the fadec data from the fadec? Seems like there would be a way to read the data off the sd card with the same program?
    Dustin Dickerson

    Building 7ss STI x 2
    Oratex
    29" shock monster
    EP912STI 155hp
    Garmin
    N33TF......FLYING!
    N53TF......FLYING!

  9. #1059
    Senior Member efwd's Avatar
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    Default Re: EFWD Build

    Did some reading on the FlyRotax website. What I believe I understand is I have to have the Dongle and then I download the app to operate it. In order to utilize the Dongle that enables erasing of codes ($1350) I must have the credentials one gets when you take the Rotax maintenance coarse ($500 and two days of classroom). My credential expires in September and they have a class for renewal Sept. 20. That class is $315 and is only one day. Funny thing is, I took the maintenance course and the Dongle is not discussed or I don't recall having covered the subject. Looking at the light and heavy maintenance manuals does not help at all either. It all comes from the program that is downloaded to use the dongle.
    Eddie Forward
    Flying
    SS7, 912iS, Garmin G3X

  10. #1060
    Senior Member Cherrybark's Avatar
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    Default Re: EFWD Build

    I did some searching for a list of error codes or software to translate them. Found more than one thread on other forums expressing the same frustration. According to one thread, buying the $1300 dongle doesn't get you anything to interpret the codes and they aren't listed in any manual. Makes the error codes seem pretty useless.
    Carl Strange
    Flying
    SS7, 912iS, Oratex, G3X

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