The table provided below includes a list of the CLICK PLC SD Card Error Codes along with Error Messages and their Descriptions. When an Error or a Warning occurs, the Error Code is stored in the system data register SD69.

CLICK SD Card Errors
Error Code (Decimal)	Error Message	Description	Condition	Corrective Action
0	Normal	No error
101-200 STM/ESP processing related error
101	File Generation Request Error	File generation request failed	When the file generation request is not completed	Re-execute or return with a timeout (30 seconds). (If the error is repeated, turn on the power again)
102	File Deletion Request Error	File deletion request failed	When the file deletion request is not completed	Re-execute or return with a timeout (30 seconds). (If the error is repeated, turn on the power again)
103	SD Eject Request Error	SD eject request failed	When the SD disconnect request is not completed	Re-execute or return with a timeout (30 seconds). (If the error is repeated, turn on the power again)
104	SD Deletion Error	SD deletion failed	When SD deletion is not completed	Re-execute or return with a timeout (30 seconds). (If the error is repeated, turn on the power again)
105	Log Information Transfer Error	Failed to send log information	When log information transmission is not completed	Re-execute or return with a timeout (30 seconds). (If the error is repeated, turn on the power again)
106	History Transfer Error	History transfer failed	When history transmission is not completed	Re-execute or return with a timeout (30 seconds). (If the error is repeated, turn on the power again)
107	Main CPU Communication Process Error	Main CPU communication processing failed	Handshake with ESP32 side No response timeout (provisional 60 seconds)	Re-execute or return with a timeout (30 seconds). (If the error is repeated, turn on the power again)
108	SD List Information update Error	SD List Information update request failed	When the list information update request is not completed	Re-execute or return with a timeout (30 seconds). (If the error is repeated, turn on the power again)
109	SD File reading Error	SD File reading request failed	When the SD file read request is not completed	Re-execute or return with a timeout (30 seconds). (If the error is repeated, turn on the power again)
201-300 Log system function error
201	File Creation - Trigger bit: creation interval Error	Trigger bit was turned on within 1 minute from the previous Trigger bit On and Firmware did not create log file.	When the file generation request is re-requested within 1 minute	Make sure File Creation Trigger bit does not come on in less than one minute intervals.
202	SD Eject interval Error	Requests within 1 minute from the previous request. Firmware did not process that.	When the SD disconnection request is re-requested within 1 minute	Make sure SD Eject bit does not come on in less than one minute intervals.
203	SD Deletion interval Error	Requests within 1 minute from the previous request. Firmware did not process that.	When the SD deletion request is re-requested within 1 minute	Make sure SD Deletion bit does not come on in less than one minute intervals.
204	History Transfer interval Error	Requests within 1 minute from the previous request. Firmware did not process that.	When the history request is re-requested within 1 minute	Make sure the History Request bit does not come on in less than one minute intervals.
205	Log Information Transfer interval Error	Requests within 1 minute from the previous request. Firmware did not process that.	When the log information transmission request is re-requested within 1 minute	Do not try to Transfer Log information in less than 1 minute intervals.
401 - 500 SD card processing related error
401	SD Card Call Error	SD card has already been recalled	Mounted Completed Remounted to SD card.	Remove the SD card and insert it again.
402	SD Card Memory Allocation Error	SD card memory cannot be allocated	Occurs due to insufficient memory of ESP32 when mounting is completed.	Power cycle the PLC.
403	SD Card Mount Error	SD card cannot be mounted	Occurs due to SD card factors during "mount".	Remove the SD card and insert it again, or replace the SD card.
404	SD Card Process Error	SDMMC, SPI driver, SDMMC protocol, FATFS driver error	ESP32 hardware error.	Power cycle the PLC.
405	IO Hardware Error	A hard error occurred in the low level disk I/O layer	An unrecoverable error occurred in the lower layer (disk I / O function).	Remove the SD card and insert it again, or replace the SD card.
406	Assertion Error	Assertion failed	There is an error in the FAT structure on the volume. Destruction of work areas (file system objects and file objects) due to lack of stack or other tasks.	Remove the SD card and insert it again, or replace the SD card.
407	Physical Drive Error	The physical drive cannot work	The physical drive is not ready for operation. Or, drive initialization failed.	Remove the SD card and insert it again, or replace the SD card.
408	File Not Found Error	Could not find the file	The specified file was not found.	Remove the SD card and insert it again, or replace the SD card.
409	Path Not Found Error	Could not find the path	The specified path was not found.	Remove the SD card and insert it again, or replace the SD card.
411	Access Error	Access denied due to prohibited access or directory full	The directory table is full and the file or directory could not be created. The volume is full and the directory could not be created.	Remove the SD card and insert it again, or replace the SD card.
412	Access Denied Error	Access denied due to prohibited access	An object with the same name as the newly created object already exists.	Remove the SD card and insert it again, or replace the SD card.
413	SD Card File / Data Write Error	Log File create or Log data append error	SD Card not mounted or defective SD card	Remove the SD card and insert it again, or replace the SD card.
414	SD Card Write Error	The SD Card is write protected	An attempt was made to perform an operation involving writing when the physical drive was write-protected.	Remove the SD card and insert it again, or replace the SD card.
416	Work Memory Error	The Volume has no work area	The work area (file system object structure) required to operate the volume is not given.	Remove the SD card and insert it again, or replace the SD card.
417	FAT Volume Error	There is no valid FAT volume on the SD card	No valid FAT volume was found on the physical drive.	Remove the SD card and insert it again, or replace the SD card.
423	Invalid Parameter Error	Given parameter is invalid	The given parameters are invalid or inconsistent.	Remove the SD card and insert it again, or replace the SD card.
424	Number of Files Error	Maximum number of files exceeded	There are too many files on the SD card. Maximum number of files: 1 System Log, 1 Password Log, 999 Data Logs.	Replace the SD card, or delete log files from the SD card.