Please try the following troubleshooting steps:

1. Verify if your device can charge without the adapter.

2. Use a different wall charger and USB-C to USB-C cable with this adapter.

3. Try this adapter with a different device.

4. Unplug the adapter from your device and disconnect all devices for at least 5 minutes. Reboot your device and reconnect the adapter to see if it resolves the issue.