*1. One of the following:
• Major fault: Major fault level
• Partial fault: Partial fault level
• Minor fault: Minor fault level
• Observation
• Information
*2. One of the following:
• System: System event log
• Access: Access event log
*3. One of the following:
• Automatic recovery: Normal status is restored automatically when the cause of the error is removed.
• Error reset: Normal status is restored when the error is reset after the cause of the error is removed.
• Cycle the power supply: Normal status is restored when the power supply to the Controller is turned OFF
and then back ON after the cause of the error is removed.
• Controller reset: Normal status is restored when the Controller is reset after the cause of the error is re-
moved.
• Depends on cause: The recovery method depends on the cause of the error
.
*4.
One of the following:
• Continues: Execution of the user program will continue.
• Stops: Execution of the user program stops.
• Starts: Execution of the user program starts.
*5. “System information” indicates internal system information that is used by OMRON.
*6. Refer to the appendices of the troubleshooting manual for the connected CPU Unit or Industrial PC for the
applicable range of the HMI T
roubleshooter
.
Error Descriptions
This section describes errors that may occur in a System Unit.
5 Troubleshooting
5-8
NX-series System Units User's Manual (W523)