[. . . ] [. . . ] After 15min the automatic mode turns off automatically or with pressing the key for a further 6sec. Synchronisation of the radio channel set in the E-key using the channel set in the lock (see menu: E-Key Synchr. Search for an E-key within the TSE management software If the door opens with a delay of 3-7sec after pressing the knob and the red LED is flashing at the same time, the battery (CR2032) of the E-Key has to be replaced immediately. If the door opens with a delay of 3-7sec after pressing the knob without the red LED flashing, the battery (2x1, 5V LR6 ALKALINE) of the lock unit has to be replaced immediately and if existing of the input unit (2x1, 5V LR6 ALKALINE) as well. [. . . ] [. . . ]