If cold water is used, the descaling tablets may not dissolve in the specified time.
Dissolve the descaling tablets in lukewarm water. Do not insert the water container into the recess until the descaling tablets have fully dissolved.
The descaling tablets do not dissolve completely. Undissolved tablet components can block the steam hoses and other components and can cause the F11 fault message.
Dissolve the descaling tablets in lukewarm water. Do not insert the water container into the recess until the descaling tablets have fully dissolved.