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MELSEC-Q
8 TROUBLESHOOTING
8.3.2 Error codes corresponding to CPU module detected on remote I/O station
The remote I/O station performs some of the same processes as the CPU module.
Accordingly, the remote I/O station detects the error codes
1 2
in the same way they
are detected by the CPU module.
When an error occurs, the error code, error message or other such communication can
be read by the GX Developer.
For details about operating the GX Developer, refer to the GX Developer operator's
manual.
1 :CPU module error codes are classified into minor, moderate, major errors as
shown below.
• Minor error: Errors that may allow the CPU module to continue the
operation, e.g., battery error.
(Error code: 1300 to 10000)
• Moderate error: Errors that may cause the CPU module to stop the operation,
e.g., WDT error.
(Error code: 1300 to 10000)
• Major error: Errors that may cause the CPU module to stop the operation,
e.g., RAM error.
(Error code: 1000 to 1299)
Determine the error level, i.e. whether the operation can be continued or stopped,
by referring to "Operating Statuses of CPU" described in Section 8.3.2 (1) "Error
Code List"
2 :If any error code not listed in this section is detected, please consult your local
Mitsubishi representative.
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