1.Fully charged: The bule light is always on.
2.Stall protection: The blue light flshes quickly for 5s
3.Smart magnet induction detects that the magnet is removed :The red and blue light flash altemately for 2s
4.Smart magnet induction detects a magnet: The red and bule lights flash alternately for 2s
5.Start when the smart magnet induction does not detect the magnet: The red and blue lights flash alternately for 2s
6.Battery low voltage protection: Blue light off, red light on for 6s
7.Normal work: The bule light on
8.Working with one grid remaining: The blue light is off,and the red light flashes slowly
9.After work for 40s: The red and blue lights flash together for 3s