Operation – RIDGID R844 User Manual

Page 11

OPERATION

Ready to charge battery pack

When battery pack reaches cooled
temperature, charger begins fast
charge mode

When battery pack reaches
warmed temperature, charger
begins fast charge mode

Charger pre-charges battery until
normal voltage is reached, then
begins fast charge mode

If red LED continues flashing for
more than 90 minutes, and green
LED remains off, this may
indicate a damaged battery

Fast charges in 30 minutes

Fast charging is complete.
Charger maintains charge mode.

LED FUNCTION OF CHARGER

See Figure 4.

Fig. 4

POWER

INDICATOR

EVALUATE

INDICATOR

CHARGING

INDICATOR

FULL

INDICATOR

LED

INDICATOR

BATTERY

PACK

RED

LED

GREEN

LED

ACTION

Power

Evaluate

Charging

Full

Without battery pack

Hot battery pack

Cold battery pack

Deeply discharged

Thermistor shorted
or open

Fast charging

Slow charging

Flashing

OFF

Flashing

NOTE: The 9.6 volt, 12 volt and 14.4
volt battery packs will not slide all the
way down onto the charger port. Insert
9.6 volt, 12 volt, and 14.4 volt battery
packs until they click into place and
are aligned with the line on the charger,
shown at left.
Allow up to 5 seconds for the “charge”
light to come on after the battery pack
is inserted.