¶ 1. Restart the machine and check whether the SD card can be read normally.
¶ 2. If it is an SD card provided by Flsun, please check whether the format format is FAT32, if not, please format it as FAT32.
If the SD card is not provided by Flsun, please make sure the SD card used is between 4-16GB, if the memory is too large, it cannot be used.
¶ 3. If you have switched to U disk printing, you cannot use SD card for printing at the same time. If you need to switch to SD card printing, please flash the firmware that uses SD card printing on the motherboard.
¶ 4. Check whether the SD card slot is loose. If it is loose, please re-solder the SD card slot and the motherboard. If they cannot be welded together, please contact the after-sales email address to replace the motherboard: service@flsund3d.com.
