How to Troubleshoot a Malfunctioning 'LOWFOOD' Indicator on the Air Automatic Feeder?

1. Follow the video guide below to disassemble the food tank and its base.

2. Use a clean towel to wipe the food tank base and detector light.

3. Assemble the food tank and base, and power the feeder with the adapter and cable, but DO NOT add food. Next, check if the light flashes red and the "LOWFOOD" indicator shows up on the screen.