If the secondary collimator moves but no variation of the signals is detected,
replace the optical sensor B5 its cable and if the problem is still present, the A13
board.
In addition if the movement is just in one verse check also the cable X54-X88
between CCU A11 board and A13 board and and finally replace the CCU A11
board.
Technical Service additional information required
: try to reproduce the error
recording:
-
An audio-video with a global view of the chin rest movements
-
An audio-video with a bottom view of the chin rest motor linear system group
movement (removing the chin rest bottom cover).