Product(WX820L) 20V POWER SHARE SANDECK 5-IN-1 MULTI-SANDERContinuous flashing light on the battery charger indicator
(WX820L) 20V POWER SHARE SANDECK 5-IN-1 MULTI-SANDER

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.