OPERATION

LED FUNCTION OF CHARGER

See Figure 3.

LED

BATTERY

RED

GREEN

ACTION

INDICATOR

PACK

LED

LED

 

 

 

 

 

 

Power

Without battery pack

ON

OFF

Ready to charge battery pack

Evaluate

Hot battery pack

Flashing

OFF

When battery pack reaches

 

 

 

 

cooled temperature, charger

 

 

 

 

begins fast charge mode

Evaluate

Cold battery pack

Flashing

OFF

When battery pack reaches

 

 

 

 

warmed temperature, charger

 

 

 

 

begins fast charge mode

Evaluate

Deeply discharged

Flashing

OFF

Charger pre-charges battery

 

 

 

 

until normal voltage is reached,

 

 

 

 

then begins fast charge mode

Evaluate

Thermistor shorted

Flashing

OFF

If red LED continues flashing for

 

or open

 

 

more than 90 minutes, and

 

 

 

 

green LED remains off, this may

 

 

 

 

indicate a damaged battery

Charging

Fast charging

ON

Flashing

Fast charges in 30 minutes

Full

Slow charging

OFF

ON

Fast charging is complete. Charger maintains charge mode.

POWER

INDICATOR

EVALUATE INDICATOR

30 min

?

30 min

CHARGING INDICATOR

FULL

INDICATOR

Fig. 3

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RIDGID R841151 manual LED Function of Charger, Off, Power Indicator, Full Indicator