What happened?
This warning appears when the printer requires certain selftests to be completed before performing the requested action. The printer shows the message "Selftests required to perform this action have not been completed. The action cannot be executed".
Selftests are built-in diagnostic checks that ensure the printer’s components are functioning correctly before proceeding with specific tasks. This helps prevent damage or failed operations.
Error name: Action selftest required
Error code: #31837 (CORE One) #17837 (XL) #26837 (MK4S) #13837 (MK4) #27837 (MK3.9S) #21837 (MK3.9) #28837 (MK3.5S) #23837 (MK3.5) #12837 (MINI)
How to fix it?
- Run the required selftests from the printer’s LCD Menu -> Control -> Calibrations & Tests.
- Follow the on-screen instructions to complete all diagnostic tests successfully.
- If a selftest fails, consult the dedicated articles for initial troubleshooting.
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