Stihl FSA 90 R Instruction Manual - Page 20
NLEDs on Battery
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English AL 100 Charger The AL 100 charger has no fan and waits for the battery to cool down before starting the charging process. The battery is cooled by heat dissipation in the ambient air. End of Charge The charger switches itself off automatically when the battery is fully charged: - LEDs on the battery go off. - The LED on the charger goes off. - The charger's fan is switched off (if charger is so equipped). Remove the fully charged battery from the charger. LEDs on Battery Four LEDs show the battery's state of charge and any problems that occur on the battery or power tool. 1 N Press button (1) to activate the display - the display goes off automatically after 5 seconds. The LEDs can glow or flash green or red. LED glows continuously green. LED flashes green. LED glows continuously red. LED flashes red. 3901BA010 KN 3901BA018 KN During Charging Process The LEDs glow continuously or flash to indicate the progress of charge. A green flashing LED indicates the capacity that is currently being charged. 0 - 20 % 20 - 40 % 40 - 60 % 60 - 80 % 80 - 100 % The LEDs on the battery go off automatically when the charge process is completed. If the LEDs on the battery flash or glow red - see "If the red LEDs glow continuously / flash". 18 FSA 90 R
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