Intellicomfort5CH193WIFIMAINTENANCEUse only a soft cotton cloth to clean the chronothermostat without any detergent.Do not use paper tissue to clean the screen.KEYBOARD BLOCKTo make sure you don’t change any settings on the chronothermostat unintentionallywhile cleaning, enable the keyboard block by pressing the middle of the display for5 seconds. The text “BLOCKED” appears on the display when the keyboard hasbeen blocked. The keys will re-enable automatically after 30 seconds.4