Instruction Manual

Fault LEDs on the
battery
Cause Remedy
Saw cuts out dur‐
ing operation.
3 LEDs light
up red.LEDs
light up red.
Chainsaw is too hot. ► Engage chain brake and remove battery.
► Allow the chainsaw to cool down.
There is an electrical
fault.
► Engage the chain brake, remove and refit
the battery.
► Switch on the saw.
Chainsaw run‐
time is too short.
The battery is not fully
charged.
► Fully charge the battery.
The battery service
life has been excee‐
ded.
► Replace battery.
Charging does
not start when
the battery is
inserted into the
charger.
1 LED emits
red light.
The battery is too
warm or too cold.
► Leave battery inserted in charger.
Charging starts automatically as soon as
the permitted temperature range is
reached.
19.2 Troubleshooting Charger
Condition LED on
Charger
Cause Remedy
Battery not being
charged.
LED flashes
red.
No electrical contact
between charger and
battery.
► Remove the battery.
► Clean contacts on charger.
► Fit the battery.
Malfunction in
charger.
► Do not use the charger and contact your
STIHL servicing dealer.
20 Specifications
20.1 STIHL MSA 120 C, MSA 140 C
Chainsaws
MSA 120 C
–
Approved battery: STIHL AK
–
Weight without battery, guide bar and saw
chain 2.3 kg
–
Max. oil tank capacity: 110 cc (0.11 l)
MSA 140 C
–
Approved battery: STIHL AK
–
Weight without battery, guide bar and saw
chain 2.3 kg
–
Max. oil tank capacity: 110 cc (0.11 l)
For battery life see www.stihl.com/battery-life.
20.2 Chain Sprockets and Chain
Speeds
MSA 120 C
The following chain sprockets may be used:
6-tooth for 1/4” P
–
Maximum chain speed according to
ISO 11681: 14.0 m/s
MSA 140 C
The following chain sprockets may be used:
6-tooth for 1/4” P
–
Maximum chain speed according to
ISO 11681: 14.0 m/s
20.3 Minimum groove depth of guide
bars
The mininum groove depth depends on the pitch
of the guide bar.
–
1/4" P 4 mm
20.4 STIHL AK 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
20.5 Charger STIHL AL 101
–
Rated voltage: see rating plate
–
Frequency: see rating plate
–
Rated power: see rating plate
–
Charging current: see rating plate
English 20 Specifications
26 0458-716-0121-D