If your settings become corrupted or the module behaves erratically, you can trigger a hardware factory reset: Voltage Protection Board XH-M608 - Make Electronics
Always test the controller with a low-power load first, use an external fuse, and refer to online tutorials to fill the gaps left by the original manual. Xh-m608 Manual
The XH-M608 usually features a simple 3-terminal block or 2-terminal block design. If your settings become corrupted or the module
Decreases voltage thresholds or scrolls down through the menu. use an external fuse
Release the buttons. The module is now reset to factory defaults. Setting the Mode and Voltage Limits