Charge a guard with an single charger. It does not only lights red or green! but also combinations are possible.
Herewith a summary of the explanation of the LED color (combinations)
The guard conditions in a basic operation ( without watch) are followings:
- no LED lights: the guard isn't connected via charger or docking station with USB
- guard is connected wit USB:
*LED=red, if charged under 80%
*LED=green, if charged more as 80%
Standard conditions:
*LED=green: guard is ready for to use
*LED=red: guard is out of order
The LED conditions with watch are following:
- if guard isn't connected with USB- no light's!
- if guard connected with USB and the watch (paired):
*LED= red, when the watch and the guard are not ready for 24 hours
*LED=green, when the watch and the guard are ready for 24 hours