How to Troubleshoot Abnormal Screen Display on the Air Automatic Feeder?

1. Check to see if the feeder is being powered by the adapter and power cable properly, then check if the screen displays normally.

2. Use another adapter, power cable, and power outlet to turn on the feeder, then check if the screen displays normally.

3. Use brand new batteries to power the feeder, then press the buttons to see if the screen displays normally.