ER27 - Unspecified error

This is an error that is not recognized by your Ultimaker S5 / Ultimaker S3. It can occur when there is a mismatch between the installed electronics and firmware.

This can usually be resolved easily by following these steps:

  1. Power cycle the printer using the on/off switch. Wait until the printer has completely shut down before turning it on again
  2. Update the firmware to the latest stable version

If you require further support, please contact us by submitting a ticket.

Please ensure to include the error number (ERXX) and your printer's log files.


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