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7. Troubleshooting
7.2 When in Trouble
III-53
7.2 When in Trouble
If the system does not operate as planned or if there is any trouble in the operation, confirm the following
points and then contact the Mitsubishi Service Center.
− Examples of trouble −
• Nothing appears in the NC screen, LED, etc., even when the power ON button is pressed.
• The power turns OFF suddenly.
• Nothing appears on the NC screen, or the screen is completely white.
• The operation keys do not function. The NC screen appears but the operation board key input does not
function.
• Machining operation is not possible.