Service Guide
Page 79
... pack, do the following actions one at a time to correct the problem. If the charge indicator still does not light up , replace the DC/DC charger board. If the battery status indicator does not light up, remove the battery pack and let it return to room temperature.
... pack, do the following actions one at a time to correct the problem. If the charge indicator still does not light up , replace the DC/DC charger board. If the battery status indicator does not light up, remove the battery pack and let it return to room temperature.