PrimaDonna ClassCommon issuesMessage: DESCALING NEEDED, PRESS OK TO START (~45 MIN)
PrimaDonna Class

Message: DESCALING NEEDED, PRESS OK TO START (~45 MIN)

Try this solution

Press "OK" to start descaling, or "ESC" to descale later.

Possible cause:
The coffee machine must be descaled.

Do you need descaler? Delonghi's EcoDecalk has been specifically designed with your machine in mind. Using this descaler regularly will prolong the lifespan of your machine and keep it running at optimal performance.

De'Longhi Coffee Machine Descaler EcoDecalk 500ml Best Value Pack (delonghi.com)

Follow the video guide: