Mitsubishi MELSEC-A A1SCPUC24-R2, User Manual

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6. ERROR CODES
When an error occurs while in the PLC RUN or RUN state, the
self-diagnostic function stores an error indication or error code
(including step number) in the special register. This section describes
how to read the error code, as well as causes of errors and corrective
actions.
6.1 How to read error codes
When an error occurs, the error code can be read by peripheral
equipment.
For handling of the equipment, refer to the operating manuals for
peripheral equipment.
6.2 Error Code List for A1SCPUC24-R2 (Table 6.1)
6.3 Error Code List for A1SHCPU and A2SHCPU (Table 6.2)
6.4 Error Code List for A2USCPU(S1) and A2USHCPU-S1 (Table 6.3)
Take a proper action and eliminate the cause of error.