
8NJ/NX-series Troubleshooting Manual (W503)
CONTENTS
Introduction ...............................................................................................................1
Relevant Manuals......................................................................................................2
Manual Structure.......................................................................................................4
Sections in this Manual ............................................................................................7
Terms and Conditions Agreement.........................................................................10
Safety Precautions..................................................................................................12
Precautions for Safe Use........................................................................................13
Precautions for Correct Use...................................................................................14
Regulations and Standards....................................................................................15
Versions ...................................................................................................................17
Related Manuals......................................................................................................21
Revision History......................................................................................................25
Section 1 Overview of Errors
1-1 Overview of NJ/NX-series Errors ...........................................................................................1-2
1-1-1 Types of Errors............................................................................................................................1-3
1-1-2 CPU Unit Status..........................................................................................................................1-4
1-2 Fatal Errors............................................................................................................................... 1-7
1-2-1 Types of Fatal Errors...................................................................................................................1-7
1-2-2 Checking for Fatal Errors............................................................................................................1-8
1-3 Non-fatal Errors .......................................................................................................................1-9
1-3-1 Types of Non-fatal Errors............................................................................................................1-9
1-3-2 Checking for Non-fatal Errors....................................................................................................1-19
1-3-3 Resetting Non-fatal Errors.........................................................................................................1-22
Section 2 Error Troubleshooting Methods
2-1 Troubleshooting Flowcharts...................................................................................................2-2
2-1-1 Checking to See If the CPU Unit Is Operating............................................................................2-2
2-1-2 Troubleshooting Flowchart for Non-fatal Errors ..........................................................................2-4
2-2 Troubleshooting Fatal Errors .................................................................................................2-5
2-3 Troubleshooting Non-fatal Errors..........................................................................................2-7
2-3-1 Identifying and Resetting Errors with the Sysmac Studio............................................................2-7
2-3-2 Identifying and Resetting Errors with an HMI............................................................................2-11
2-3-3 Identifying and Resetting Errors from the User Program..........................................................2-14
2-3-4 Checking for Errors with System-defined Variables..................................................................2-16
2-4 Troubleshooting When You Cannot Go Online from the Sysmac Studio ........................2-18
2-4-1 Causes and Correction When You Cannot Go Online from the Sysmac Studio.......................2-18
2-4-2 Troubleshooting for Each Cause...............................................................................................2-20