Duet expansion board 3HC pins not responding
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I'm running a 3HC expansion board and a 6XD mainboard (RepRapFirmware for Duet 3 MB6XD 3.4.2rc1). When first powered on, I've got no issues, but after a day or so I find that "OUT 0" and "OUT 1" will no longer respond on the expansion board (M42 command does not light up the LED or switch the pins anymore). It's only an issue on the expansion board and the CAN LED is still blinking in sync with the mainboard.
Turning off power to the boards and turning back on resolves the issue. Any ideas? Thanks
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@jonathanbrent what firmware version is installed on both?
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@jay_s_uk 3.4.2rc1
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Please update to 3.4.6
https://github.com/Duet3D/RepRapFirmware/releases/download/3.4.6/Duet2and3Firmware-3.4.6.zip
