Product(WG160) 20V 12" GT 2.0 STRING TRIMMER/EDGER/MINI-MOWER (DISCONTINUED)Continuous flashing light on the battery charger indicator
(WG160) 20V 12" GT 2.0 STRING TRIMMER/EDGER/MINI-MOWER (DISCONTINUED)

Continuous flashing light on the battery charger indicator

Try this solution

Reinsert the battery

Try reinserting the battery into the charger.

Possible Cause:
The battery may not be properly seated.