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  #1  
Old 05-22-2019, 01:15 PM
Piper J3's Avatar
Piper J3 Piper J3 is offline
 
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Default Problem with D180 Fuel Display...

I have dual screen Dynon D180 and D100 in my RV-12. I just recently recalibrated my fuel quantity gage per Dynon instructions. Now I notice that I no longer get a yellow box around the digital number of gallons remaining at 7, nor do I get a red box (steady or blinking) around the digital number of gallons remaining at 3.5. This used to work fine and I would also get warning on bottom of screen which needed acknowledgement.

I have contacted Dynon and they tell me that the unit they have on bench does exact same thing. They were a little surprised and don't have a solution.

Anybody else having this problem?



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Jim Stricker
Hinckley, Ohio (1OA2)
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80 hrs Flying Aeronca Chief 11AC N86203
1130 hrs Flying 46 Piper J-3 Cub N6841H
RV-12 E-LSA #120058 AWC July 2012 N633CM
RV-12 Bought Flying Oct 2015 with 48TT - Hobbs now 511

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  #2  
Old 05-22-2019, 01:39 PM
DennisRhodes DennisRhodes is offline
 
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Maybe change that 7 and 3.5 to something else,now that you have re calibrated sensor, then you can move both back to 7 and 3.5 . Thinking that the re calibration may have voided those original limits for red and yellow. Just a shot in the dark
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  #3  
Old 05-22-2019, 02:54 PM
Harvey rv12 Harvey rv12 is offline
 
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Probably unrelated, but do you have 2 fuel pressure readings?
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  #4  
Old 05-22-2019, 03:06 PM
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Piper J3 Piper J3 is offline
 
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Quote:
Originally Posted by Harvey rv12 View Post
Probably unrelated, but do you have 2 fuel pressure readings?
I'm not following your question. The screen shot in my first post is the EMS screen and I guess it shows fuel pressure in two locations. Fuel quantity is also shown in two locations on the same screen.
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Jim Stricker
Hinckley, Ohio (1OA2)
EAA #499867
PPL/ASEL 1970 - Sport Pilot since 2007
80 hrs Flying Aeronca Chief 11AC N86203
1130 hrs Flying 46 Piper J-3 Cub N6841H
RV-12 E-LSA #120058 AWC July 2012 N633CM
RV-12 Bought Flying Oct 2015 with 48TT - Hobbs now 511

LSRM-A Certificate 2016
Special Thanks... EJ Trucks - USN Crew Chief A-4 Skyhawk
MJ Stricker (Father & CFI) - USAAF 1st Lt. Captain B-17H
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  #5  
Old 05-22-2019, 04:01 PM
Harvey rv12 Harvey rv12 is offline
 
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Quote:
Originally Posted by Piper J3 View Post
I'm not following your question. The screen shot in my first post is the EMS screen and I guess it shows fuel pressure in two locations. Fuel quantity is also shown in two locations on the same screen.
I thought if during your recalibrating of your fuel level, perhaps you erred in some way, ie 2 indications of fuel pressure, one beneath the oil temp indicator, and one in the lower right of screen.
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  #6  
Old 05-23-2019, 08:14 AM
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airguy airguy is online now
 
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Having worked with Dynon for a while as a beta-tester, I can tell you that if (A) their on-the-bench unit did the same thing, and (B) it was a thing that it shouldn't be doing, AND (C) they couldn't tell you what to do next, then they are certainly digging into the software code behind it and will have an answer shortly.
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  #7  
Old 05-23-2019, 10:03 AM
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Piper J3 Piper J3 is offline
 
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Quote:
Originally Posted by airguy View Post
Having worked with Dynon for a while as a beta-tester, I can tell you that if (A) their on-the-bench unit did the same thing, and (B) it was a thing that it shouldn't be doing, AND (C) they couldn't tell you what to do next, then they are certainly digging into the software code behind it and will have an answer shortly.
I hope so... I'm afraid there is limited support for the legacy equipment.

Just strange that all the other warnings are working - oil press, temps, but not low fuel quantity.
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Jim Stricker
Hinckley, Ohio (1OA2)
EAA #499867
PPL/ASEL 1970 - Sport Pilot since 2007
80 hrs Flying Aeronca Chief 11AC N86203
1130 hrs Flying 46 Piper J-3 Cub N6841H
RV-12 E-LSA #120058 AWC July 2012 N633CM
RV-12 Bought Flying Oct 2015 with 48TT - Hobbs now 511

LSRM-A Certificate 2016
Special Thanks... EJ Trucks - USN Crew Chief A-4 Skyhawk
MJ Stricker (Father & CFI) - USAAF 1st Lt. Captain B-17H
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  #8  
Old 05-28-2019, 11:33 AM
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Piper J3 Piper J3 is offline
 
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I contacted Dynon about my D-180 fuel gage problem (see post #1 above) and they tell me none of the software engineers who designed the D-180 are working at Dynon on anymore. Dynon also tells me they have powered up several more D-180's in-house and none of them have the yellow/red boxes around the digital number for gallons remaining in tank.

So, maybe I don't remember this correctly... Can anyone verify that they see yellow square and red square & red square blinking around gallons remaining digital number for a D-180? Also, do you get visual warning on bottom of screen for minimal gallons remaining (in my case - 4 gallons)? And while we're at it... do you get audible low fuel warning in your headset?

Maybe I'm getting too old for flying...
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Jim Stricker
Hinckley, Ohio (1OA2)
EAA #499867
PPL/ASEL 1970 - Sport Pilot since 2007
80 hrs Flying Aeronca Chief 11AC N86203
1130 hrs Flying 46 Piper J-3 Cub N6841H
RV-12 E-LSA #120058 AWC July 2012 N633CM
RV-12 Bought Flying Oct 2015 with 48TT - Hobbs now 511

LSRM-A Certificate 2016
Special Thanks... EJ Trucks - USN Crew Chief A-4 Skyhawk
MJ Stricker (Father & CFI) - USAAF 1st Lt. Captain B-17H
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  #9  
Old 05-28-2019, 05:05 PM
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Don Patrick Don Patrick is offline
 
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Default D180

I ran my right tank low in my 8. My D180 goes green, yellow, red flashing, with audible and visual screen flashes.


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  #10  
Old 05-28-2019, 07:28 PM
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Piper J3 Piper J3 is offline
 
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Thanks guys. Today Dynon said they got their in-house D-180 fuel gage working correctly by re-loading Van's locked settings file. I'm going to put this task off until end of flying season. Good to know there's a fix...
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Jim Stricker
Hinckley, Ohio (1OA2)
EAA #499867
PPL/ASEL 1970 - Sport Pilot since 2007
80 hrs Flying Aeronca Chief 11AC N86203
1130 hrs Flying 46 Piper J-3 Cub N6841H
RV-12 E-LSA #120058 AWC July 2012 N633CM
RV-12 Bought Flying Oct 2015 with 48TT - Hobbs now 511

LSRM-A Certificate 2016
Special Thanks... EJ Trucks - USN Crew Chief A-4 Skyhawk
MJ Stricker (Father & CFI) - USAAF 1st Lt. Captain B-17H
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