Mitsubishi Electric MELFA FR CR800 Series User Manual page 265

Please use 8 to 32 single-byte characters, which include numbers, A to Z, a to z for the password.
Passwords are case-sensitive.
Caution
Please be careful about password management.
If you forget your password, you will not be able to change the settings of the safety diagnostic
function. Please be careful when managing the set password. If you forget your password, you need to
reset it to the default by resetting the model. Refer to "Detailed explanation of functions and operations"
for model reset operations.
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Figure 13-81 Register/change password
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