0478 131 9940 B - EN
62
19.1 STIHL AP battery
This symbol indicates the
number of cells and the energy
content according to the cell
manufacturer's specifications.
The available energy content is
lower in practice.
19.2 STIHL charger AL
Protection class II. The charger
housing features double
insulation to the mains supply.
For charging times, please refer to
www.stihl.com/charging-times.
19.3 REACH
REACH is an EC Directive for the
registration, evaluation, authorisation and
restriction of chemicals.
Information on compliance with the
REACH Directive (EC) No. 1907/2006 is
available from www.stihl.com/reach.
Fault:
Motor not starting
Possible cause:
– Battery charge state too low – 1 LED
flashes green on battery
– Battery too cold/too warm – 1 LED
illuminates red on battery
– Battery fault – 4 LEDs flash red on
battery
– RMA 443 PC, RMA 448 PC: No battery
inserted in battery compartment 1
– Lawn mower too warm – 3 LEDs
illuminate red on battery
– Lawn mower fault – 3 LEDs flash red on
battery
– ON button not pressed
– Safety plug not inserted
– Electrical connection interrupted
between lawn mower and battery
– Motor overloaded because the grass is
too tall or too wet
– Humidity in machine and/or battery
– Mower housing blocked
– Fuse in safety plug defective
Remedy:
– Recharge battery (Ö 8.4)
– Warm up battery or allow it to cool down
– Remove and re-insert battery; consult
specialist dealer if necessary (#)
– RMA 443 PC, RMA 448 PC: Insert
battery in battery compartment 1
– Allow lawn mower to cool down
– Clean electric contacts in battery
compartment (Ö 13.2); consult
specialist dealer if necessary (#)
– Press ON button (Ö 12.2)
– Insert safety plug (Ö 9.1)
– Insert battery correctly (Ö 8.3); clean
electric contacts in battery
compartment (Ö 13.2)
– Do not switch on motor in high grass,
adapt cutting height (Ö 9.6)
– Remove battery and dry; clean and/or
dry battery compartment (Ö 8.3)
– Clean mower housing (Ö 13.2)
– Replace safety plug (#)
Fault:
Motor stops during operation
Possible cause:
– lawn mower overheated – 3 LEDs
illuminate red on battery
– Electrical fault
– Safety plug incorrectly inserted
– Machine overloaded due to mowing
grass that is too long or too wet
– Lawn mower fault
Remedy:
– Allow lawn mower to cool down
– Remove and re-insert battery (Ö 8.3)
– Insert safety plug (Ö 9.1)
– Adapt cutting height and mowing speed
to mowing conditions (Ö 9.6)
– Repair lawn mower (#)
Measured value a
hw
1,40 m/sec
2
Uncertainty K
hw
0,70 m/sec
2
Measurement in accordance with
EN 20643
Battery technology Lithium ion
Voltage 36 V
Capacity in Ah See rating plate
Energy content in
Wh See rating plate
Weight in kg See rating plate
Permissible tempera-
ture range -10°C to +50°C
Rated voltage 220 - 240 V,
50-60 Hz
Nominal output See rating plate
Charge current See rating plate
Permissible tempera-
ture range See rating plate
RMA 448.0 TC
20. Troubleshooting
# If necessary, contact a specialist
dealer; STIHL recommends STIHL
specialist dealers.
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