Installation Instructions

Page 10
OPERATION
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, 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 .
LED FUNCTIONS OF CHARGER (FIG. 4)
LED INDICATOR
BATTERY 
PACK
RED 
LED
GREEN 
LED
ACTION
HI / LO TEMP.
Hot/Cold 
battery
On Off
Fast charge will begin 
when battery returns 
to between 41°F (5°C) 
and 104°F (40°C)
DEFECTI VE
BATTERY
Defective Flashing Off
Battery pack or 
charger is defective
BATTERY
CHARGING
Charging Off Flashing Charging
BATTERY
FULL
Fully 
charged
Off On
Charging is 
complete
DEFECTIVE BATTERY
If the charger detects a problem, the red LED 
will begin ashing 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 indicates “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.
FIG. 4










