Noise
• Data corruption in bus
signals
• Malfunction of bus inter-
face circuit
If the error occurs even af-
ter making the above cor-
rection, check noise entry
paths such as the FG and
the power supply lines and
implement noise counter-
measures as required.
Implement noise counter-
measures.
The CPU Unit or the CK3W
Unit has failed
• The internal bus is dis-
connected.
If this error persists even
after you make the above
two corrections, replace the
CPU Unit or the CK3W
Unit.
None
Precautions/
Remarks
None
FlashSizeErr
Register name Sys.FlashSizeErr
Description The user program size exceeds the built-in flash memory capacity.
Range 0 to 1
Details 0: No error
1: The user program size exceeds the built-in flash memory capacity.
Detection timing When save command is issued
Recovery Re-issue save command.
Effects Save command is invalidated.
Cause and cor-
rection
Cause (Assumed cause)
Correction Prevention
The user program size is
too large.
Reduce the size of the user
program.
Or
, delete the backup file.
None
Precautions/
Remarks
None
BufSizeErr
Register name Sys.BufSizeErr
Description The buffer size set in the user program exceeds the built-in RAM capacity.
Range 0 to 1
Details 0: No error
1: Buffer size exceeds the built-in RAM capacity
.
Detection timing When power is turned ON or the Controller is reset.
Recovery Cycle the power supply, or issue reset command ($$$)
Effects The buffer size is changed to the default value.
Cause and cor-
rection
Cause (Assumed cause) Correction Prevention
The buffer size set in the
user program is too large.
Reduce the buffer size. None
Precautions/
Remarks
None
6 Troubleshooting
6-13
CK3M-series Programmable Multi-Axis Controller User's Manual Hardware (O036)
6-4 Sys.Status Register
6
6-4-2 Details of Flags
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