Troubleshooting
7
1
：
The product can’t connect to GRBL
；
Solutions:
1: Confirm whether the driver (CH340) has been installed,and reinstall the driver;successful installation, USB connection prod
-
ucts in GRBL is displayed COM port, you can also choose other ports to try to connect, as shown in the figure.
2: Confirm whether the baud rate in the setting parameter is 115200
；
3: If it is the first time to install GRBL software, the above operations are unable to connect or disconnect immediately after
connection, you can use Lightburn software to connect with check the product firmware version number, if it is COMGO V1.0, you
only need to refresh the firmware (we recommend updating our latest firmware)https://drive.google.com/drive/folders/1YP
-
jvHf4-4DqBkkCXpYm6Bc9hpi_QqQI1?usp=sharing;
4: If, during use, you find that Lightburn/GRBL and other software cannot be connected under normal operation, replace the
USB cable
；
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