Specifications - Stihl RMA 239.1 C Instruction Manual

English
Fault LEDs on the
battery
The lawn mower
operating time is
too short.
The battery gets
stuck when fitting
it into the battery
compartment.
Charging fails to 1 LED illumina‐
start after fitting tes red.
the battery into
the charger.
The grass has
not been cut
cleanly or the
lawn is yellow.

20 Specifications

20.1 STIHL RMA 239.1 C Lawn
Mower
– Permissible battery: STIHL AK
– Weight with grass catcher box and without
battery: 15 kg
– Weight (m) with grass catcher box and
STIHL AK 30 battery: 16 kg
– Maximum grass catcher box capacity: 40 l
– Cutting width: 37 cm
– Speed (n): 3350 rpm
– Electrical type of protection: IPX1
For information on the battery life see
www.stihl.com/battery-life.
40
Cause
The blade is not cor‐
rectly balanced.
The battery is not fully
charged.
The battery service
life has been excee‐
ded.
The area around the
blade is blocked.
The blade is blunt or
worn.
The resistance at the
blade is too great.
The guides or electri‐
cal contacts in the
battery compartment
are dirty.
The battery is too
warm or too cold.
The blade is blunt or
worn.
The resistance at the
blade is too great.
20.2
– Minimum thickness a: 1.6 mm
– Maximum grinding limit b: 5 mm
– Sharpening angle c: 30°
20.3
– 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
Remedy
► Sharpen and balance the blade.
► Charge the battery fully as described in
the instruction manual for the
STIHL AL 101, 301, 500 charger.
► Replace the battery.
► Clean the lawn mower.
► Sharpen and balance the blade.
► Set a higher cutting height.
► Mow shorter grass.
► Clean the lawn mower.
► Remove the battery.
► Allow the battery to cool down or warm
up.
► Sharpen and balance the blade.
► Set a higher cutting height.
► Mow shorter grass.
Blade
STIHL AK Battery
20 Specifications
0478-131-9630-A