Essilor AKR 750 - Page 21

21
NO
No response when pressing
the operation button
7-9 No responses when pressing switches
The main causes in case of no responses when pressing switches:
・ Failure of the operation switch board
・ Failure of the measurement switch
・ Failure of the main control board
Replace the operation switch board.
Is the performance of the
operation switch normal?
Replace the operation switch harness
Is the performance of the
operation switch normal?
Is the performance of
the measurement
start switch normal?
No response when pressing
the measurement button
Replace the measurement
start switch board.
YES
YES
NO
YES
NO
Replace the main control board.
OK