Cause: Internal Error 22 comes when an error on the embedded Ethernet adapter has been detected. This could be due to various factors, including hardware issues, software glitches, or network-related problems.

"inFM" Internal Error 22 fault in Schneider ATV950 drive indicate "embedded Ethernet adapter error".  This means a problem with the built-in Ethernet communication component within your device. 

1. Ensure the Ethernet cable is securely connected to both the device and the network.
2. Check for and install any available updates for the network adapter driver.
3. Try connecting to a different network to isolate the issue.