Mitsubishi Electric FX5 User Manual page 55

Canceling the firmware update prohibited setting
When executing the firmware update, cancel the prohibit setting with the engineering tool.
1.
Delete the file password for the firmware update prohibited file.
[Project]  [Security]  [File Password Setting]
2.
Delete the firmware update prohibited file from the CPU built-in memory.
[Online]  [User Data]  [Delete]
The firmware update prohibited file can also be deleted with the following method. Note that the program, etc.,
will also be deleted.
• Memory operation (initialization) (GX Works3 Operating Manual)
• Clearing the CPU built-in memory before booting with boot operation (Page 124 Boot Operation)
5 FIRMWARE UPDATE FUNCTION
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