The desk does not drive at all

Check: Is the power line connected to the control box?
Try/Solution: Try to connect a lamp or similar to the power outlet to check that the supply voltage is OK. 

Check: Are all plugs mounted correctly on the control box and the leg?
Try/Solution: Check all connections. 

Check: Is there any visible damage to the cables, controls, control box or legs?
Try/Solution: Damaged parts must be exchanged. Contact the company that sold you the desk.