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• If the charging light flashes alternately in green and red
color, charging is not possible. The terminals on the
charger or battery cartridge are clogged with dust or the
battery cartridge is worn out or damaged.
Cooling system (DC24SA only)
• This charger is equipped with cooling fan for heated
battery in order to enable the battery to prove its own
performance. Sound of cooling air comes out during
cooling, which means no trouble on the charger.
• Yellow light will flash for warning in the following cases.
- Trouble on cooling fan
- Incomplete cool down of battery, such as, being
clogged with dust
The battery can be charged in spite of the yellow
warning light. But the charging time will be longer than
usual in this case.
• Check the sound of cooling fan, vent on the charger and
battery, which can be sometime clogged with dust.
• The cooling system is in order although no sound of
cooling fan comes out, if the yellow warning light will not
flash.
• Always keep clean the vent on charger and battery for
cooling.
• The products should be sent to repair or maintenance, if
the yellow warning light will frequently flash.
Conditioning charge (DC24SA only)
Conditioning charge can extend the life of battery by auto-
matically searching the optimum charging condition for the
batteries in every situations.
The battery employed in the following conditions repeatedly,
will be worn out shortly, and yellow warning light may flash.
1. Recharge of battery with its high temperature
2. Recharge of battery with its low temperature
3. Recharge of full charged battery
4. Over-discharge of battery (continue to discharge battery
in spite of down of power.)
The charging time of such battery is longer than usual.