Express Frz. function will allow the freezer to reach its maximum freezing capacity. This generally takes up to 24 hours and automatically switches off.
According to regulation EU 1060/2010,
Express Frz. must be switched on for 2 hours before fresh products are placed in the freezer compartment.
According to regulation EU 2019/2016,
To freeze quickly, press the Express Frz. button right after fresh products are placed in the freezer compartment.
To get better air circulation, insert all inner parts like baskets, drawers, and shelves.