Mitsubishi Electric MELSEC iQ-R Series User Manual page 226

Event logging diagnostics
Display the error codes of each event logging.
Window
Click the "Event Logging Diagnostics" from diagnostic items tree on the "Diagnostic" screen.
Displayed items
Item
Event logging name
Error code
*1 When errors related to access target CPU occur, the error code of the access target CPU may be stored to other settings which also use
the same access target CPU.
2 HIGH SPEED DATA LOGGER MODULE CONFIGURATION TOOL
224
2.8 Online
Description
Displays the event logging name.
Displays the newest error code of each event logging setting.
Page 261 Error Code List
*1