There is a setup guide, including calibrating the Z offset. Have you done this?
If you haven’t, then you will need to start there.
If you have, and it is still starting prints too high, on the control panel, press the button, and go to Control, then select Motion. From there select the Amax Z, and bump it up. I set mine to the same as X and Y, 2000. This solved the problem for me. It also solved a problem where the bed would not move between layers printed.