Troubleshooting - Omron CJ2 User Manual

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Troubleshooting

CJ2 CPU Unit Hardware User's Manual
This section describes how to troubleshoot problems that may occur with a CJ2 PLC.
6-1 CPU Unit Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
6-1-1
Errors and Remedies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
6-1-2
Checking Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
6-1-3
Checking Detailed Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
6-1-4
Reading Error Log Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
6-1-5
I/O Table Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
6-1-6
Types of Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
6-1-7
Handling Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
6-2 Built-in EtherNet/IP Port Errors and Remedies . . . . . . . . . . . . . . . . . . . . . 6-23
6-2-1
Checking Built-in EtherNet/IP Port Error Status . . . . . . . . . . . . . . . . . . . . . . 6-23
6-2-2
Checking Error Status at the EtherNet/IP Port Seven-segment Display . . . . 6-24
6-3 Non-CPU Unit Errors and Remedies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-26
6-3-1
Error Causes and Remedies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-26
6
6-1

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