Machine: K40
Board: _replaced the M2 with C3D
Firmware: _ I’m using the SD card that it came with"
Problem/ Question: _I installed the C3D board, with power connector 4 pin, small 4 pin and one flat cable. The two red light up, the no1 and 4 green led are solid, and 2 and 3 blinking. I use lightburn already for a neje diode. I installed new device on the right com port, smootieware. Lightburn says no connection. “waiting for connection” on the console The head was homing when I had the M2. Help please