The screen of my DayClock spontaneously went black after a few days, what can I do?

Please check the following setting.

1. Go to our DayClock ‘Settings’ menu via the 3-finger method.
2. Then swipe the screen down 3 times and press the ‘cogwheel’ next to the pencil.
3. Press ‘Battery’
4. ‘Standby intelligent power saver’ and set it to ‘Off’
5. ‘Battery saver’ and set it to ‘Off’
6. then restart your DayClock.