User manual

7–5
Chapter 7 – RUN Mode and Errors
LT Series User Manual
The Communication
cable may not be
connected properly.
YES
Set up the correct Screen file number.
Chapter 6 –
“Initializing the LT”
Does
turning the power ON one more
time start the display?
Go to OFFLINE mode
*1
(touch the
top-left corner of the screen).
YES
NO
Check
that the INITIALIZE | SET UP
SCREEN
is OK.
Does the OFFLINE
menu display?
NO
Are the
Status LEDs’ orange and
green lights ON?
NO
The back light has burned
out. Contact your nearest
LT distributor for the
backlight replacement.
YES
YES
1 To make the OFFLINE screen appear, turn the power OFF, then ON, and then touch
the upper left corner of the screen within 10 seconds.
NO
YES
Possible problems with the
external device. Make sure that
the external device is working
properly.
NO
Connect the cable properly
Chapter 3 –
“Installation and Wiring”,
LT Editor Device Connection
Manual (included with the LT
Editor software) and GP-PRO/
PBIII Device/PLC Connection
Manual
Is the
Communication cable
connected properly to this
unit?
NO