first time here
can't connect octoprint to printer Longer LK4, tried updating firmware. can't find what this error 20 is. octoprint says the error is from the printer's firmware.
Send: N0 M110 N0125
Recv:
Recv: Grbl 1.1f ['$' for help]
No answer from the printer within the connection timeout, trying another hello
Send: N0 M110 N0125
Recv: error:20
There was a timeout while trying to connect to the printer
Changing monitoring state from "Connecting" to "Offline"
Connection closed, closing down monitor
first time it happened i ignored the warning and it connected but since then it just won't connect even when i change the settings.
some help appreciated