Craftsman 315.CH2021, Operator'S Manual, Page: 9 / 16

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Fig. 3
LED FUNCTIONS
BATTERY
PACK
RED
LED
GREEN
LED
ACTION
Power On
Without battery pack ON OFF Ready to charge battery pack.
Testing
Hot battery pack Flashing OFF
When battery pack reaches cooled temperature, charger begins
fast charge mode.
Cold battery pack Flashing OFF
When battery pack reaches warmed temperature, charger begins
fast charge mode.
Deeply discharged Flashing OFF
Charger pre-charges battery until normal voltage is reached, then
begins fast charge mode.
Defective
Defective Fading OFF Battery pack or charger is defective.
• If defective, try to repeat the conditions a second time by removing and reinstalling the battery pack. If the LED status
repeats a second time, try charging a different battery.
• If a different battery charges normally, dispose of the defective pack (see Maintenance section).
• If a different battery also indicates “Defective,” the charger may be defective.
Charging
Fast charging ON Flashing Battery is being charged.
Charged
Battery full OFF ON Fast charging is complete; charger maintains charge mode.
Energy Save Mode
Battery full /
Energy Save mode
OFF Fading Battery pack is fully charged and charger is in Energy Save mode.