
19
19.4 LED Indication and Maintenance Operation of
the Stand–Alone Type Unit
934
19.4 LED Indication and Maintenance Operation of
the Stand–Alone Type Unit
D Overview
FANUC Series 16i/18i/21i of stand–alone type is equipped with a
7–segment LED, rotary switch, and push switch.
When no MDI is included in the system configuration or when the MDI
becomes defective and cannot be used, battery backed–up data can be
saved and restored by using the rotary switch and push switch.
When the MDI can be used, use these switches for maintenance by system
monitor of the boot function.
D Layout of the 7–segment LED and switches
The 7–segment LED, rotary switch, and push switch are located as shown
below.
7–segment LED
(STATUS)
Rotary switch
(MTSW)
Push switch
(PSW)