20V max* LITHIUM-ION BATTERY CHARGER - 054-3126-6
11
LED functions of charger (fig 2)
LED Indicator Battery Pack Red LED Green LED Action
Temperature
Hot/Cold battery On Off
Fast charge will begin when
battery returns to between 5-40°C
(41-104°F)
Defective
Defective Flashing Off
Battery pack or charger is
defective
Charging
Charging Off Flashing Charging
Charged
Fully charged Off On Charging is complete
Charging a hot battery pack
If the battery pack is above the normal temperature range, the red LED will illuminate and the green
LED will be off. When the battery pack cools down to approximately 104°F (40°C), the charger will
automatically begin charging.
Charging a cold battery pack
If the battery pack is below the normal temperature range, the red LED will illuminate and the green
LED will be off. When the battery warms to a temperature of more than 41°F (5°C), the charger will
automatically begin charging.
Defective battery
If the charger detects a problem, the red LED will begin flashing and the green LED will be off.
1. If registering as defective, remove and reinsert the battery pack in the charger. If the LED status
reads “defective” a second time, try to charge a different battery pack.
2. If a different battery pack charges normally, dispose of the defective battery pack (see Maintenance
section).
3. If a different battery pack also indicates “defective,” the charger may be defective.
Battery charging
If the battery pack is within the normal temperature range, the green LED will begin flashing and the
red LED will be off.
OPERATING INSTRUCTIONS
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