WMF 450 operating instructions

Display messages and malfunctionsProblemIt is difficult to removethe brewing unit andreinsert it.The brewing unit cannotbe removed or reinsertedRectification measure> Apply WMF grease from the accessories to the O-ring on the brewingunit (see Chapter 4.4.2).> Adjust the brewing unit with the Multitool as you are inserting it untilyou can insert the brewing unit.> Remove the residue of coffee grounds inside the brewer.5a5b5e5d5c5dThere is a noticeablelarge amount of coarseground coffee inside thebrewer> Set the degree of grinding to be finer by one point (see Chapter 3.5).Is the metal spring ring in the brewer stamp missing?> Remove the brewing unit (5a).> Use the Multitool (5c) to turn the brewer (5b) clockwise all the wayupwards.The brewer stamp (5d) on the bottom of the brewer is now visible.> Insert the metal ring (5e).66