Error while reading SD card - ER08

This error message indicates that the Ultimaker 2+ can't read the SD card. This can often easily be resolved:

Insert SD card The SD card may not be fully inserted into the slot at the front of the printer. Try removing and reinserting the card.
SD card type The Ultimaker 2+ supports SD and SDHC cards, but not SDXC. Note that the maximum card size is 32GB.
Safely eject When saving gcode files to the SD card, always make sure to safely eject it from your computer to prevent corrupting the files.
Reformat Try emptying and reformatting the SD card before trying to insert it into the printer again.
Replace SD card If all of the above did not help, there could be a problem with the SD card itself. Use a different card instead.


If the SD card itself is not the cause of the issue, there could be a problem with the UltiController electronics. Checking this requires access to the bottom of the printer.

Note: Handling the electronics requires ESD precautions. Always take ESD precautions when exposing the electronics at the bottom of the printer. Handling the electronics in an unsafe way can cause damage to the machine.

Before removing any covers and accessing the electronics, it is always recommended to first contact Ultimaker. Submit a support ticket for further assistance.


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