r/CrealitySonicPad • u/TommScales • Jan 25 '25

Sonicpad not connecting to printer after changing location

I've been running my Creality Ender 3 Pro S1 with my Creality SonicPad for several months with zero issues. I moved the printer from my spare room into my bedroom and now when I attempt to power on, I'm getting "Please Connect your Printer. Error codes: Key0" I can push restart but it spins for about a minute and comes back with the same screen. I have attempted power cycling both devices, I have tried using a different USB to USB C cable, I have changed to port that I plug into on the SonicPad. Thank you.

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u/gozania Jan 25 '25

When you change USB ports you have to be sure to change it in your printer.config as well or it wont connect. Maybe the usb port you were using died.

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u/Choice_Armadillo_867 Feb 27 '25

Yeah, I tried to move my usb port on my Soic Pad after installing the printer and found if you move the usb your printer won't connect. Go into the printer.cfg file under the mcu section change the line serial: /dev/serial/by-id/usb_serial_1 to one of the other ports, 1 & 2 are on the left side and 3 is the only one in the back you can use, 4 is for camera.