Ryobi C122D Operator's Manual page 21

Fig. 3
LED FUNCTION
LED
INDICATOR
BATTERY
PACK
Without
Power
battery pack
Hot battery
Evaluate
pack
Cold
Evaluate
battery pack
Deeply
Evaluate
discharged
Defective 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.
Fast
Charging
charging
Full Ready
RED GREEN
LED LED
ON OFF
Flashing OFF
Flashing OFF
Flashing OFF
Flashing Flashing
ON Flashing
OFF ON
9
ACTION
Ready to charge battery pack.
When battery pack reaches cooled
temperature, charger begins fast
charge mode.
When battery pack reaches
warmed temperature, charger be-
gins fast charge mode.
Charger pre-charges battery until
normal voltage is reached, then
begins fast charge mode.
Battery pack or charger is
defective.
—
Fast charging is complete;
charger maintains charge mode.