5 Troubleshooting
*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 Troubleshooter.
Error Descriptions
This section describes errors that may occur in a System Unit.
5-8
NX-series System Units User's Manual (W523)