What happened?
The printer is equipped with a power panic feature. This makes it possible for the printer to resume a print interrupted by a power outage.
A prolonged power outage causes the heatbed temperature to drop. As a result, the print can lose adhesion to the print sheet. In case of a large heatbed temperature drop caused by this scenario, the printer shows the message "The heatbed cooled down during the power outage, printed object might have detached. Inspect it before continuing".
Error name: Power Panic Cold Bed
Error code: #31808 (CORE One) #26808 (MK4S) #27808 (MK3.9S) #28808 (MK3.5S) #13808 (MK4) #21808 (MK3.9) #23808 (MK3.5) #17808 (XL)
How to fix it?
Assess the print progress and situation. In a doubtful case where adhesion is uncertain, consider scrapping the print or printing with a heatbed temperature higher than usual.
Keep strict supervision of the printer while it operates, especially in the first few minutes after resuming printing. Be ready to immediately stop the printer at any time, should the print come detached from the print sheet, as this scenario can cause an extruder blob and damage the printer components.