Hog Slat Inc. Newton Grove, NC USA MAY 2022 REV A5 9 GROW-FLEX™ Feed Systems 8. OPERATION - SCREENS: FILL AUGER RUNNING: Upon power up, the HS820 will run initial diagnostic test. It will briefly show each screen. Once initial test is complete the HS820 will turn on auger motor and sense for feed. Screen will turn GREEN and indicate FILL AUGER RUNNING (if during enabled time of day. See below section on programming Time of Day to operate). FEED DETECTED: Once feed has been detected by the infrared sensors, the HS820 will turn off the auger motor and screen will change colors to PURPLE and indicate FEED DETECTED.