Essilor AKR 750 - Page 23

23
YES
NO
Replace the main control board.
OK
OK
OK
7-11 Ref measurement LED does not light up.
The main causes when the ref measurement LED does not light up:
・ Failure of the ref LED board, the optical control board
・ Failure of the main control board
.
Does ref LED light up?
Does ref LED light up?
YES
NO
Replace the optical unit ASSY.
Replace the optical control board.
Ref LED does not light up.