There is a lock on the screen of Gende steamer to prevent children from misoperation, also called child lock.

If it is locked, you need to open it to unlock it. The specific operation steps are as follows: 1. Press the power switch button. 2. The screen is on. At this point, a small lock icon will be displayed on the screen. Why did the steamer open the child lock? 3. Find the reservation button on the control panel. 4. Press and hold the reservation key, and don't let go. Press and hold for about 10 second, and you will hear a ticking sound, then release the reservation key. At this time, the small lock on the screen disappeared, which proved that it had been unlocked.