7–16
Chapter 7 – RUN Mode and Errors
GLC2300 Series User Manual
7.3.6 Buzzer Sounds when GLC Power is Turned ON
If you start the GLC unit and the internal buzzer sounds, use the following chart to
find the reason and the appropriate solution.
Buzzer
Sound
Timing
Reason
Solution
From the screen creation software, send the
correct system program to the GLC via the
Transfer screen's "Forced Setup" feature.
Turn on the GLC unit's dip switch #1 (next to
CF Card slot) and use the CF M emory Loader
Tool to set up the GLC.
From the screen creation software, send the
correct system program to the GLC via the
Transfer screen's "Forced Setup" feature. An
error appears on the Screen Creation
Software's screen. Turn the GLC
unit's power supply OFF and then ON, and
data transfer will start automatically. Turn on the
GLC unit's dip switch #1 (next to CF Card slot)
and use the CF M emory Loader Tool to set up
the GLC.
When the GLC
unit's dip switch
#1 (next to CF
Card slot) is ON
and power to the
GLC is ON.
The CF Card's
M emory Loader
Tool
(M LD****.SYS)
file is missing or
destroyed.
When the GLC is
started via the
M enu Bar's "CF
BOOT" key.
The CF Card's
M emory Loader
Tool
(M LD****.SYS)
file is missing.
Four beeps –
Repeating
(approx. 1 sec.
intervals)
When the GLC is
started via the
M enu Bar's "CF
BOOT" key.
The CF Card's
internal boot
program
(IPL.SYS) is
destroyed.
*1
Reformat the CF Card and replace the CF
Card's M emory Loader Tool file.
Three beeps –
Repeating
(approx. 1 sec.
intervals)
Reformat the CF Card and replace the CF
Card's M emory Loader Tool file.
Continous beep
(approx. 1 sec.
intervals)
When power to
the GLC is turned
ON
The GLC unit's
system program
is destroyed.
Two beeps –
Repeating
(approx. 1 sec.
intervals)
When power to
the GLC is turned
ON
A different GLC
unit's system
program has
been accidentally
installed in this
GLC.
If the CF Card’s boot-up program (IPL.SYS) or the Memory Loader Tool
(MLD****.SYS) programs appear to be damaged or destroyed, use the GLC
unit’s internal diagnostic program “CF Card Memory Loader File Check” utility to
confirm the condition of these files.
See
7.2 – “SELF DIAGNOSIS.”