Filament Detection Board Abnormal Detection During Printing
Power off the printer and unplug the power cord
Remove the tool head front cover: unplug the model cooling fan connector and detach the front cover

Using the 2.0 mm hex screwdriver, remove the 4 screws securing the tool head housing, then remove the housing


Re-plug and reconnect the connectors on both sides of the filament detection board.

After re-plugging, reassemble the tool head, power on the printer and test. If the issue persists, the filament detection board needs to be replaced with a new one
How to replace the filament detection board:
https://wiki.elegoo.com/en/centauri-carbon-2-combo/part-replacement/filament-detection-board-replacement
Technical Support Email Address: 3dp@elegoo.com