
7–10
Chapter 7 – RUN Mode and Errors
GLC2400/2500/2600 Series User Manual
Follow the flowchart below when the screen does not display when powering up,
or the screen turns OFF by itself during RUN mode, to find an appropriate solu-
tion.
YES
NO
Turn Off the power and reconnect
the SIO cable, or the AUX cable.
Does
turning ON the power
one more time cause a
display?
NO
YES
YES
YES
NO
Fix the power cable connection.
Chapter 3 –
“Installation and Wiring”
Transfer screen data from the
screen editing software.
Chapter 4 –
“Data Transfer”
Use the correct power voltage.
Chapter 2 –
“Specifications”
No Screen Display
Has data transferred
from the Screen Editor?
Does the Status LED
light turn ON?
Is it using the correct
power voltage?
Unplug the GLC unit’s power cord.
Disconnect the SIO and AUX cable.
Is the
power cable connected
properly to this
unit?
7.3.2 No Display