Bad connection between Air Dryer <A>, fuse board and LCB.

1. Check data connection, outside the sealed laser compartment, between the Laser Control Board (reference 7 image ) and busbar fuse board (reference 6 image )

2. In case of a small Air Dryer: check the data connection the busbar fuse board (reference 5 image) and small Air Dryer inside the sealed Light Processor compartment (reference 9 image).

3. In case of a large Air Dryer: check the data connection on the last busbar fuse board inside the sealed laser compartment (reference 4image)

4. In case of a large Air Dryer: check the data connections between the busbar fuse board inside the sealed laser compartment (reference 3image) and the large Air dryers (reference 2image and reference 1image).

Malfunction Air Dryer

Replace Air Dryer <A>. See service procedure "Replacement of a Large Air Dryer", or "Removal of the Small Airdryer assembly".