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860C display not working #11

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nitrousnrg opened this issue Aug 24, 2022 · 3 comments
Open

860C display not working #11

nitrousnrg opened this issue Aug 24, 2022 · 3 comments
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@nitrousnrg
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It shows Error 30
@nitrousnrg nitrousnrg added the bug Something isn't working label Aug 24, 2022
@nitrousnrg nitrousnrg self-assigned this Aug 24, 2022
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Sometimes the code took a bit too long to boot and ended up in error 30. CANbus traffic looked like this:
image

Disabling "Run calibration on boot" shortens boot time from 5.7sec to 1.7sec

image

Since then I couldn't reproduce any more errors. The only questionable thing is that it battery shows 0% on the display for a while.
The first canbus packet with correct batt level is sent 5.1 sec after boot. For 3.5 seconds the CANbus traffic sends 0% battery level.

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Disabling "Run calibration on boot" did not fix this issue with the 840c displays at luna...

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I forgot to report, a display that had issues turns out that the firmware was not the latest. Once updated to the latest controller firmware it worked ok.

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