Restart firmware stuck

General Discussion
1

Basic Information:

Printer Model: ES1 and ES1Pro
MCU / Printerboard: stock?
Host / SBC RPi4

klippy.zip (383.2 KB)

Fill out above information and in all cases attach your klippy.log file (use zip to compress it, if too big). Pasting your printer.cfg is not needed
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Describe your issue:

When changing config file things it should work with save & restart as far as i know , but mine gets stuck on mcu error when starting back up. I have to manually power cycle printer and press restart again then it works. Is there something wrong in my setup.

I used KIUAH to install and I have 2 printers on 1 rpi4 .

There is second issue , today starting up the printers they switched ports somehow. My ES1 was now my ES1Pro and otherway. Had to calibrate z offsets and switch over pressure advance in config. What could have caused this issue?

2

See the last paragraph of Where’s my serial port?.

Both your printers register in Linux with the same /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0, which cannot work.

You need to switch to the /dev/serial/by-path/... notation

3

Allright i did that thing and found by-path serials. Updated them in config, it took some trial and error to get right serial to right printer.

This fix should really resolve both of my problems right?

4

Likely yes.
Note that the by-path notation is bound to the physical USB port. This means that if you replug to another port, you will change the path.

5

That fixed the issue , thanks .
Also got Klipper screen running on old Huawei mate 10 pro, Now need for the cameras to arrive and its all ready :wink:

6

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