9 - 1
9
NX-series Safety Control Unit User’s Manual (Z930)
This section describes troubleshooting for the Safety CPU Unit and Safety I/O Units.
9-1 Checking for Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
9-2 Checking for Errors with the Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
9-2-1 Troubleshooting the Main Errors in the Safety CPU Unit . . . . . . . . . . . . . . . . . 9-3
9-2-2 Troubleshooting the Main Errors in the Safety I/O Units . . . . . . . . . . . . . . . . . . 9-5
9-3 Checking for Errors with the Sysmac Studio . . . . . . . . . . . . . . . . . . . . . . . 9-7
9-3-1 Checking for Errors from the Sysmac Studio . . . . . . . . . . . . . . . . . . . . . . . . . . 9-7
9-3-2 Types of Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-8
9-3-3 Event Codes for Errors and Troubleshooting Procedures . . . . . . . . . . . . . . . 9-10
9-3-4 Error Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-17
9-4 Resetting Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-48
9-5 Troubleshooting Flow When Errors Occur . . . . . . . . . . . . . . . . . . . . . . . . 9-49
Troubleshooting