Duet 3 DIAG led is dimmed
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Hi! I'm building new printer with Duet3 and Raspberry PI 4. I got this error message "Board is not available (no header)". DIAG Led on Duet is dimmed. On computer Duet shows as unknown device and com3 port. I installed Bossa and now it is Bossa Program Port. Then i tried updating firmware with Bossa but it says "File operation exceeds flash size". What can i do now?
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https://docs.duet3d.com/en/User_manual/Troubleshooting/Duet_wont_respond
You can go through this, but I think it just needs the firmware flashed.
https://docs.duet3d.com/User_manual/RepRapFirmware/Updating_firmware
For the time being forget the Pi4 and focus on trying to get it back up in standalone mode. Once it's working there adding the Pi is easy.
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@phaedrux BOSSA says "File operation exceeds flash size". I have tried Fallback procedure #1 and #2, same results, DIAG Led stays dimmed. Whats next?
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@k01571n3n it sounds to me that you are trying to install the wrong file with Bossa. The correct file for a Duet 3 MB6HC main board is Duet3Firmware_MB6HC.bin.
