Fault
LEDs on the
battery
Cause
Remedy
Chainsaw run‐
time is too short.
The battery is not fully
charged.
► Recharge the battery fully as described in
the User Manual for the STIHL AL 101,
301, 301-4, 500 chargers.
The battery life has
been exceeded.
► Replace battery.
Smell of smoke
or burning in the
cutting area.
The saw chain has
not been correctly
sharpened.
► Sharpen chain as specified.
Insufficient saw chain
oil in the oil tank.
► Fill up with saw chain oil.
The chain lubrication
system is supplying
insufficient saw chain
oil.
► Do not use the chainsaw and contact
your STIHL servicing dealer.
The saw chain is
over-tensioned.
► Tension the saw chain as specified.
The chainsaw is not
being used properly.
► Have correct use explained, then prac‐
tice.
STIHL connected
app is unable to
find the battery
with .
Bluetooth
®
radio inter‐
face on the battery or
mobile device is deac‐
tivated.
► Activate Bluetooth
®
radio interface on the
battery or mobile device.
Distance between bat‐
tery and mobile
device is too long.
► Reduce distance, 21.4.
► If the battery still cannot be found with
the STIHL connected app: Contact a
STIHL authorized dealer for assistance.
20.2
Product Support and Assis‐
tance on Use
Product support and assistance on use are avail‐
able from STIHL servicing dealers.
For contacts and other information, please visit
https://support.stihl.com or www.stihl.com.
21 Specifications
21.1
STIHL MSA 161 T Chainsaw
–
Permitted batteries:
–
STIHL AP
–
STIHL AR
–
Weight without battery, guide bar and saw
chain: 2.1 kg
–
Max. oil tank capacity: 105 cm³ (0.105 l)
–
Degree of electrical protection: IPX4 (protec‐
tion against splash water from any direction)
For runtime, see www.stihl.com/battery-life.
21.2
Chain Sprockets and Chain
Speeds
The following chain sprockets may be used:
–
10-tooth for 1/4” P
–
Maximum chain speed: 16.1 m/s
21.3
Minimum groove depth of guide
bars
The mininum groove depth depends on the pitch
of the guide bar.
–
1/4" P 4 mm
21.4
STIHL AP battery
–
Battery technology: lithium-ion
–
Voltage: 36 V
–
Capacity in Ah: see rating label
–
Energy content in Wh: see rating label
–
Weight in kg: see rating label
–
Permissible temperature range for operation
and storage: + 10 °C to + 50 °C
–
Bluetooth
®
radio interface (only for batteries
with ):
English
21 Specifications
48
0458-791-9621-C