Why is my iron heating but not producing steam https://youtu.be/uT8TZpRw1UY

Why does my iron run out of steam or water quickly https://youtu.be/2UZeVEpZMOc

Why does the orange light go on and off while using the iron https://youtu.be/GN35HbxC-Vk

Why does my iron lose pressure while steaming? https://youtu.be/eGfUOd5-3vw

Why does the handle get hot? https://youtu.be/qFtwBGBAhY4

Eurosteam® Iron how to use if water level is unknown? https://youtu.be/OVGYNnxxVgs