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  1. Go to [Diagnostics] → [Version]
    • Go to [Diagnostics][Version]

    • All TC820LTYsi are on the New-PLC

    • For TC820si:

    • If PLC user program version is 01.XX.XX, the machine has Old-PLC.

    • If PLC user program version is 05.XX.XX, the machine has New-PLC.

  2. Enter service mode by pressing [Feed Start] on the MCP three times within one second. If service mode is successfully activated, Alarm 700062 will appear.
    • Enter service mode by pressing [Feed Start] on the MCP three times within one second. If service mode is successfully activated, Alarm 700062 will appear.

    • Once in service mode, press [Jog] and [Ref. Point] on the MCP.

    • On the left-hand side, press the [◀] key to reveal more options.

    • Press [T Ref] to reference the turret.

  3. Enter service mode by holding [Spindle Stop] and pressing [Feed Stop] three times within one second. Ensure that Feed Start is active.
    • Enter service mode by holding [Spindle Stop] and pressing [Feed Stop] three times within one second. Ensure that Feed Start is active.

    • On older versions of the New PLC, Feed Start is not activated automatically, so you may need to press the [Feed Start] button manually.

    • Once in service mode, press [Jog] and [Ref. Point] on the MCP.

    • On the left-hand side, press the [◀] key to reveal more options.

    • Press [T Ref] to reference the turret.

Finish Line

Ryan Levrini

Member since: 6/10/24

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Siemens Internal Member of Siemens Internal

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