Led Diagnostics And Acoustic Signals - Stihl SGA 85 Instruction Manual

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► Insert the plug (3) into a properly installed
electrical outlet (4) matching the voltage and
electrical frequency stated on the charger's
rating plate.
The charger runs a self-test immediately after it
is plugged in. The charger LED (1) will glow
green for about 1 second, then it will glow red
briefly before going out. Once the LED goes out,
the self-test is complete and the charger is ready
to charge the battery.
► Position the power supply cord (2) so that it
will not be stepped on, tripped over, come in
contact with sharp objects or moving parts or
otherwise be subjected to damage or stress.
10.2 Charging
WARNING
■ STIHL batteries contain safety features and
devices which, if damaged, may allow the bat‐
tery to generate heat, rupture, leak, ignite or
explode. Never charge a malfunctioning, dam‐
aged, cracked, leaking or deformed battery or
use a charger that has been damaged. Never
insert a wet battery or adapter. Never use a
wet charger. Follow all product-specific warn‐
ings and instructions accompanying your bat‐
tery and charger.
A battery is not fully charged when it ships from
the factory. STIHL recommends that you fully
charge the battery before using it the first time.
Read and follow the warnings and instructions in
your charger's manual. For optimum perform‐
ance, observe the recommended ambient tem‐
perature ranges, 23.5.
The battery heats up during operation of the
power tool. If a hot battery is connected to the
charger, it may be necessary for it to cool down
before charging starts. The charging process
begins only after the battery has cooled down
sufficiently.
Charging time depends on a number of factors,
including battery condition and the ambient tem‐
perature. For a complete list of approximate
charging times, see www.stihl.com/charging-
times.
To charge an AP battery:
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11 LED Diagnostics and Acoustic Signals

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► Push the battery (2) into the charger (3) until it
stops.
The LED on the charger glows green when the
battery is charging.
The LEDs (1) on the battery glow green and
show the state of charge.
When the LEDs on the battery go out, the
charging process is complete and the charger
will shut itself off. The battery can be removed
from the charger.
► Disconnect the power supply cord from the
electrical outlet when the charger is not in use
for extended periods of time.
► Charge STIHL AP series batteries only with
genuine STIHL AL 101, AL 301, AL 301-4 or
AL 500 series chargers.
11 LED Diagnostics and
Acoustic Signals
11.1 STIHL AP Battery
11.1.1 Battery Status
Four LEDs show the status of the battery. These
LEDs can glow or flash green or red.
If one LED glows red continuously: the
battery is either too hot or too cold.
Allow the battery to warm up or cool
down gradually at an ambient tempera‐
ture of about 50 °F to 68 °F (10 °C to
20 °C).
If all 4 LEDs flash red: the battery has
a malfunction and must be replaced.
Do not attempt to charge, use or store
the battery.
11.1.2 Power Tool Status
The same LEDs on the battery will indicate the
status of the power tool.
If three LEDs glow red continuously: the power
tool motor is too hot. Allow the motor to cool
down.
If three LEDs flash red when you activate the
trigger switch: the power tool has an electrical
malfunction. Do not operate the power tool. Have
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0458-600-8221-B