Printer is homing but not printing

When i klick on homing in the repetier software it starts moving all 3 axis.
But when i klick on move up down or extrude it doesnt move a motor.
also when i klick on start print it does not move but it shows that is should be printing.

Can anyone help me please?
I have Vellemann K8200

After yelling at it for a bit and looking very angry it started working again