F7815 fault in Siemens V70 Drive

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F7815 fault in Siemens V70 Drive indicates the Power unit has been changed. This means the control unit recognizes that it is connected to a different physical power module than the one previously saved in its configuration. Cause: The code number of the actual power unit does not match the saved number.

Remedy: Connect the original power unit and power up the Control Unit again (POWER ON).

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