The F01650 error code in your Siemens Sinamics G120 drive indicates a fault related to the Safety Integrated function. This function ensures safe operation by monitoring various parameters and triggering a controlled shutdown (STOP) if it detects a potential safety risk. The specific details of the error can vary depending on the accompanying fault value.

1. The drive-integrated "Safety Integrated" function on processor 1 requires an acceptance test.
2. Replace the memory card or Control Unit.