Essilor Instruments APH 550, Руководство по обслуживанию

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5-2 Error message “Motor not connected” appears
Main causes when error massage “Motor not connected” appears:
・
Failure of communication cable between head and relay box
・
Failure of motor control board assy
・
Failure of communication board assy
Check the connection of the communication cable.
NO
YES
Replace the communication cables which connect the head
and the relay box, and the controller and the relay box.
OK
“Motor not connected” appears.
Replace the
communication cable.
Is the display of the LCD switched depending
on the operation of the controller?
(Go to “NO” if nothing is displayed on the LCD.)
YES
NO
Connect the connector for the controller of the relay box and the communication
connector of the head, and the connector for the head unit of the relay box and the
communication connector of the controller each with the communication cables.
Is the display of the LCD switched depending
on the operation of the controller?
(Go to “NO” if nothing is displayed on the LCD.)
Replace the communication board assy.
NO
YES
Does "Motor not connected" still appear?
Replace the motor
control board assy.
Does "Motor not connected" still appear?
OK
NO
YES