TrioVino 3-in-1 Aerator, Dispenser, & Vacuum Preserver

Turn the device on and off (press and hold the Start Button) when you see the Err code.

Turn the device on and off, and make sure to fully charge the device before use if you see EO1.

Charge the device if you see the low battery indicator

Press and hold the - Button for 5 seconds if device crashes