Stihl RMA 339 - STIHL AK Battery; STIHL Charger al; Troubleshooting

0478 131 8327 B - EN
32
18.1 STIHL AK 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.
18.2 STIHL charger AL 101
Protection class II. The charger
housing features double
insulation to the connected
mains.
Please refer to www.stihl.com/charging-
times for charging times.
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
– Lawn mower is too warm – 3 LEDs
illuminate red on battery
– Lawn mower fault – 3 LEDs flash red on
battery
– ON button not pressed
– Safety plug is not inserted
– Electrical connection interrupted
between lawn mower and battery
– Motor is overloaded because grass is
too tall or too wet
– Humidity in machine and/or battery
– Mower housing is blocked
– Fuse in safety plug is 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 (#)
– 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 9.2)
– 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 9.2)
– Adapt cutting height and mowing speed
to mowing conditions (Ö 9.6)
– Repair lawn mower (#)
Fault:
Excessive vibration during operation
Possible cause:
– Blade fastening screw is loose
– Blade is not balanced
Remedy:
– Tighten blade fastening screw (Ö 13.7)
– Re-sharpen (balance) or replace blade
(Ö 13.8)
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 75 W
Charge current 1.5 A
Permissible tempera-
ture range +5°C to +40°C
RMA 339.0 C
19. Troubleshooting
# If necessary, contact a specialist
dealer; STIHL recommends STIHL
specialist dealers.