Fix R5860 COM1 ERROR 2025-03-19

Operating mode after PLC 5860 flashes: will beep a long beeeepppp sound
- Boot into the debugging screen,
1. Password is 8888,
2. Click on the temperature range 0~70 of the curve graph on the left side of the screen,
3. Input interface pops up, enter password 719729,
4. Enter the new interface and set the upper overtemperature to 400 and the lower overtemperature to 400, 150 for the lower startup.

5. Set and click the bottom right to return.

6. Turn off the power and restart the machine.

R5860 V4.0