
7–15
Chapter 7 – RUN Mode and Errors
GLC2400/2500/2600 Series User Manual
7.3.4 Touch Panel Does Not Respond
When the touch panel does not respond, or its response time is very slow after it is
pressed, use the flowchart below to find the origin of the problem, and the appro-
priate solution.
YES
NO
NO
NO
NO
YES
YES
YES
There is a problem
with the GLC unit.
Contact your local
GLC distributor.
The
peripheral equipment is
malfunctioning.
GLC operation
may be affected
by this malfunction.
In the
INITIALIZE | SET UP TOUCH
PANEL
option, enter values appli-
cable to the Touch Operation Mode.
Chapter 6 –
“Initializing the GLC”
Are the
settings for touch input tags,
or for Parts correct?
Touch panel not responding
Is the
INITIALIZE | SET UP
TOUCH PANEL
correct?
Disconnect all the cables (in-
cluding SIO cable and AUX
cable), except the power cable.
Run
SELF-DIAGNOSIS/
TOUCH PANEL CHECK
to
make sure the GLC is
OK
Set the addresses
within the allowable
range, or redefine
the touch area.
Connect each unit (i.e. SIO cable,
bar code reader, etc.) to the GLC
and turn the GLC power ON so
that you can check each unit’s
operation one by one.