Insert a region 1 disc. You should really return the machine to the shop you bought it from and ask for a refund. At this point insert your disc and close the draw, the player will then play the disc without any problems. Press the Clock button once should display the Cold Start prompt. Next press the Clock button twice in quick succession.
Press Set Up on the remote control.
Go to the Parental Lock and change the password to anything you like. Go back to the film and let it play for a short time and then press Eject. Insert and R1 film and press play and let it run for a short time before turning the player off using the power button on the remote control. Turn the player back on and press play with both the remote and the Region 1 disc in the player. Your machine should now be multiregion.