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System Maintenance
Section 6-11
Select “Device Check”.
Select “LED Check”.
S If the RUN LED is functioning normally, it will operate as follows. At this time the
“LED Check” touch switch will be displayed in reverse video.
Lit in green → OFF → lit in red → OFF → lit in green...
S To end the LED check, press the “LED Check” touch switch on the “DEVICE
CHECK MENU” screen again.
Checking the LCD (Screen Display)
Check if the LCD (screen display) functions normally by following the menu opera-
tion from the System Menu shown below.
Select “Maintenance Mode”.
Select “I/O Check”.
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