Power unit: Switching information not valid

What does F30809 mean?

For 3P gating units, the end ID for the last switching status word in the setpoint telegram was not found. This signifies a communication or data integrity issue with the switching information, which is critical for the correct operation of the gating unit. This can lead to incorrect or no switching action of the power semiconductors.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   If the fault persists, contact the Siemens Hotline for specialized troubleshooting, potentially involving an inspection of the communication bus.