5-43
5 Troubleshooting
NJ-series CPU Unit Hardware User’s Manual (W500)
5-2 Troubleshooting
5
5-2-4 Error Descriptions
Event name SD Memory Card Restored or Formatted Event code 10040000 hex
Meaning An error was detected during the file system check and the file system was restored. Files may have been deleted.
Source PLC Function Module Source details None Detection
timing
At power ON or
Controller reset
Error attributes Level Observation Recovery --- Log category System
Effects User program Continues. Operation If the file is deleted, normal user program operation may
not be possible.
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
The Controller power supply was
turned OFF while the SD BUSY indi-
cator was lit.
Check that the correct file is on the
SD Memory Card, or that the device
operates correctly. If the correct file is
not on the SD Memory Card, or if the
device does not operate correctly,
download the correct file to the SD
Memory Card. Cycle the power sup-
ply to the Controller or reset the Con-
troller and confirm that the system
operates correctly.
Do not turn OFF the power supply
while the SD BUSY indicator is lit.
The power supply to the Controller
was interrupted momentarily while the
SD BUSY indicator was lit.
Take appropriate measures to ensure
that the specified power with the rated
voltage and frequency is supplied in
places where the power supply is
unstable.
The SD Memory Card was removed
while the SD PWR indicator was lit.
Do not remove the SD Memory Card
while the SD PWR indicator is lit.
The SD Memory Card is damaged. If this error occurs even though the
above problem does not exist,
replace the SD Memory Card and
download the correct files to it.
None
Attached
information
None
Precautions/
Remarks
The error is detected at power ON or at a Controller reset only when SD Memory Card diagnosis at startup is enabled.
You can change the event level to the minor fault level. If you change the level to the minor fault level, the Recovery
column above will be changed to “Error reset.”
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