This is an error that is not recognized by your Ultimaker S-line printer. In this case, it seems there is a problem with the printer control software.
This can usually be easily resolved by following these steps:
- Power cycle the Ultimaker S3/S5 using the on/off switch. Wait until the printer has completely shut down before turning it on again
- Update the firmware to the latest stable version
Note: This error was formerly known as ER27.
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.