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11 TROUBLESHOOTING
11.5 Method for Checking Errors
11.5 Method for Checking Errors
The errors for the I/O module can be classified into the following three categories. The checking methods for each error are as
follows.
When multiple I/O module specific errors have occurred, the error codes are stored in the following priority.
• When the error type differs, they are stored in the order of major error > moderate error > minor error.
• When the error status is the same, they are stored in reverse chronological order.
Method for clearing an error
■Method for clearing I/O module specific error
The method for clearing an error depends on the error type.
■Method for clearing CC-Link IE Field Network Basic related error
After eliminating the error cause of I/O module, clear the error on the CC-Link IE Field Network Basic diagnostic window. For
how to use the CC-Link IE Field Network Basic diagnostics, refer to the following.
CC-Link IE Field Network Basic Reference Manual
■Method for clearing SLMP communication related error
When the I/O module detects an SLMP command error, error status does not occur in the I/O module. Thus, error clear is not
needed.
Classification Checking method
I/O module specific error • CC-Link IE Field Network Basic diagnostics
Page 103 CC-Link IE Field Network Basic Diagnostics
• Buffer memory of master station or special register
Page 127 Diagnostic information list
CC-Link IE Field Network Basic related error CC-Link IE Field Network Basic diagnostics
Page 103 CC-Link IE Field Network Basic Diagnostics
SLMP communication related error End code of SLMP communications
Page 93 End code of SLMP communications
Error type Clearing an error
Major error The error cannot be cleared.
Moderate error Eliminate the error cause, and then power off and on the I/O module.
Minor error Error is automatically cleared after the error cause is eliminated.
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