Exceptional software failure.

Reboot the projector.

Retraction motor disconnected.

Check if the wire unit (reference C) of the retraction motor is well inserted. Replace wire unit if damaged.

Defect micro switch.

Replace the electronic board of the Dolby 3D color wheel unit.

Mechanical mechanism is blocked. The color wheel can not bemoved back and forward by hand. Note that to move the color wheelmanually you have to remove the light processor unit from the projector.

Replace the whole Dolby 3D color wheel unit in case you cannot unlock the color wheel. Send the blocked unit back to Barco.

Malfunction retraction motor.

Replace the whole Dolby 3D color wheel unit. Send the malfunctionunit back to Barco.