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20.3 ERROR MESSAGE AND SYSTEM ALARM
20.3.2 List of Error Message/System Alarm
520
Insufficient Flash ROM
capacity
The capacity for the buffering area is insufficient in the build in
flash memory
1. Confirm whether there are no mistakes in specified
buffering area size.
2. Install the option function board with add-on memory.
521
Insufficient user memory
(RAM) capacity
The capacity for the buffering area is insufficient in the user
memory (RAM)
1. Confirm whether there are no mistakes in specified
buffering area size.
2. Install the option function board with add-on memory.
522
Unnecessary file deleted
to create new file.
The old file of different contents has been deleted and a new
file has been created.
Note that the old file is deleted and the new file is created if
the file of the same name with different contents exists when
creating files.
524
Device writing error.
Correct device.
When writing in the device, error occurred.
Correct the device.
525
Unable to read/write
alarm log files under
different projects.
Unable to read the alarm log file saved by the different
project.
Confirm the alarm log file and where to store the alarm log
file.
526 File conversion failed.
The file specified for the file conversion does not exist.
Check the settings for specifying a file to be converted.
530
Improper monitor device.
Confirm monitor channel.
The channel of the specified monitor target does not exist or
the channel is not the monitor target.
Confirm the monitor target channel of the screen data.
535 Cannot open image file. Confirm whether any file exists in the memory card.
536
Image file error or invalid
file format.
1. Confirm whether the image file in the memory card is
normal.
2. Confirm whether any image file of invalid format is stored.
550 Invalid key code
The key code input execution trigger was ON with the non-
target key code set in the key code storage device.
Confirm the key code supported by the object where error
occurs.
560
Language switch failure.
Install optional functions.
Switched language specifying KANJI other than Japanese
without the option OS installed.
Install the option OS.
561
Language switch failure.
Load expansion memory
board.
Switched language specifying a KANJI region other than
Japanese without the option function board with add-on
memory installed.
Install the option function board with add-on memory.
562
Install the font appropriate
for the specified system
language.
No font appropriate for the system language specified at the
system language switching is installed.
Install the appropriate font.
Error
code
Error message Action
Channel
No.
storage
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