Tarantula Pro’s power supply is support 110v/220v, you don’t need to adjust any switch
1. Please format the SD card 2.flash the firmware of the display.
This is caused by the nozzle’s thermistor wire loose.Please check if the aviation plug is plugged in.
Check if the turbo fan on both sides of the nozzle rotates normally. Check if the display to show abnormal information Check if the slice file is complete or has errors Replace a new motherboard and turbo fans
Check if the fan cover screws are loose. Check if the fan cover is installed in place. Check if the fan cover has touched the nozzle heating block. Replace a new fan cover