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russojaredAug 3, 2025
What to do if Mitsubishi Electric Melsec A shows Error Code 102?
- JJames HarveyAug 3, 2025
If your Mitsubishi Electric Controller displays Error Code 102, it means that data is being written to the read-only area (addresses 10 to 17). To resolve this, correct the program that is specifying the read-only area.