Mitsubishi PLC Fault Diagnosis Display 6402

This is the Mitsubishi FX series error Code

Incorrect storage capacity setting, Solution: Stop PLC operation, set the correct value with parameter mode
When the error light shines, the content of PLC user program is changed due to external reasons: the voltage drop of lithium battery, the influence of external interference and the internal failure of PLC, and the grammatical error of the writing program will make it shine.
When the error lamp is steady, it indicates that the CPU running out of control or the scan period exceeds the warning timer constant value set in d8000. This reason may be caused by external interference and internal failure of PLC.
When the program error lamp flashes, the timer is indicated, the counter’s constants are not set, or the program memory is wrong. In this case, the correct program should be written again

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