Omron NJ-series User Manual page 510

Cause and The SD Memory Card is damaged.
correction
Attached Attached information 1: Operation type
information
0101 hex: SD Memory Card to Controller for switch operation on front of CPU Unit
0201 hex: Computer to Controller
Attached Information 2: Error Details
0001 hex: An SD Memory Card is not inserted.
0002 hex: The SD Memory Card is faulty, the format of the SD Memory Card is not correct, or the SD Memory Card
0004 hex: Recovery was executed for the SD Memory Card.
0102 hex: There are no backup files.
0103 hex: The backup files are corrupted.
0104 hex: The contents of the restore command file are not correct.
0105 hex: The required transfer data is not in the backup file.
0201 hex: The unit version of the CPU Unit is old.
0202 hex: The model numbers of the CPU Unit are not the same.
0203 hex: The CPU Unit is write-protected.
0205 hex: Another backup operation is in progress.
0206 hex: Synchronization, online editing, or the Clear All Memory operation is in progress.
0301 hex: Reading data for restoration failed or the SD Memory Card is faulty.
0501 hex: The online connection with the Sysmac Studio was disconnected.
Precautions/ None
Remarks
* This event code was added for unit version 1.03 of the CPU Unit.
NJ-series CPU Unit Software User's Manual (W501)
If none of the above causes applies,
replace the SD Memory Card.
is not the correct type of card.
12 Troubleshooting
Do not remove the SD Memory Card
or turn OFF the power supply while
the SD BUSY indicator is lit. Replace
the SD Memory Card periodically
according to the write life of the SD
Memory Card.
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