Troubleshoot "Communication exceptions between the Wi-Fi module and the main controller" (M222 S21) for xTool S1
Updated Nov 18,2024
Updated Nov 18,2024
Issue description
How to fix it
- If this error is triggered, restart the machine and the XCS software, and upgrade the machine's firmware to the latest version.
- If more than one device is connected to the machine, please keep only one device. If the problem continues, please contact customer support and tell us how often and under what situation this issue happens.
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