Stihl Ar Backpack Battery - Stihl MSA 161 T Instruction Manual

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For troubleshooting information, @ 25.
13.1.3 Charge Status
The LEDs on the battery also show the battery's state of
charge.
To determine the battery's state of charge:
1
► Press the button (1) on the battery.
The LEDs on the battery will glow or flash green for about
5 seconds and indicate the state of charge (see
illustration).
For example:
If four green LEDs glow continuously: full charge.
If one green LED is flashing: less than 20 % charge.

13.2 STIHL AR Backpack Battery

13.2.1 Battery Status
Six LEDs and an acoustic signal indicate the status of the
battery.
32
1
2
3
80-100%
60-80%
40-60%
20-40%
1 A short beep
The acoustic signal works as it should.
0-20%
2 Four long beeps
The battery's charge is low. Recharge the battery.
3 Rapid succession of short beeps
There is a malfunction in the battery. The signal stops
automatically after a few seconds. Do not attempt to
charge, use or store the battery. Replace the battery.
These LEDs can glow or flash green or red.
► Be aware that your ability to hear the acoustic signal may
be reduced when wearing hearing protection.
13.2.2 Power Tool Status
When the battery is connected to the power tool, the same
LEDs on the battery will indicate the status of the power tool.
13 LED Diagnostics and Acoustic Signals
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
temperature of about 50 °F to 68 °F (10 °C to
20 °C).
If the four right side LEDs flash red and a rapid
succession of several short beeps is emitted: the
battery has a malfunction and must be replaced.
Do not attempt to charge, use or store the
battery.
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