Control Unit - Mitsubishi Electric M700VS Series Setup Manual

12.2 Control Unit

[Replacement procedures]
Always replace the control unit with the machine power turned OFF.
(1) Check that the machine power is turned OFF. (If the power is not OFF, turn it OFF.)
(2) Disconnect all the external cables from the control unit.
(3) Disconnect all the internal cables from the control unit. (MENUKEY, INV and LCD connectors)
(Note) Open the battery cover to disconnect the LCD connector.
(4) Remove the screws fixing the control unit, and remove the control unit from the control unit installation fitting.
(Loosen the two lower fixing screws first, and then remove one upper fixing screw while supporting the control
unit with a hand. Then lift the control unit upward and take it off. The two lower fixing screws do not need to be
removed.)
(5) Install a new control unit onto the control unit installation fitting with fixing screws.
(6) Connect all the cables back to the control unit. (Always connect the cables to the designated connectors.)
(7) Confirm that all the cables are correctly connected and close the electric cabinet door.
INV connector
1. Incorrect connections could cause devices to damage. Connect the cables to designated
connectors.
CAUTION
2. Do not replace the control unit while the power is ON.
3. Do not connect or disconnect the cables between units while the power is ON.
LCD connector
MENUKEY
connector
M700VS Series Setup Manual
12.2 Control Unit
Battery cover
133