Mitsubishi Electric MELDAS C6 Instruction Manual page 444

(The bold characters are the messages displayed on the screen.)
M90 PARAM SET MODE
Error No.
–
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7.1 Operation Alarms (Mxxx)
Details
Setup parameter lock unlocked
The setup parameter lock is unlocked.
The setup parameters can be set, but
automatic start is not possible in this
state.
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7. List of Alarms
This message appears when the setup parameter lock
function is valid.
• Refer to the instruction manual issued
by the machine maker.
IV - 28
Remedy