Troubleshooting - Stihl RMA 248.3 T Instruction Manual

English
► If the lawn mower or blade is damaged: do not
use the lawn mower or blade and consult a
STIHL specialist dealer.
► If warning signs are illegible or damaged: have
the warning signs replaced by a STIHL spe‐
cialist dealer.
18.2 Servicing and Repairing the
Charger
The charger does not need servicing and it can‐
not be repaired.

19 Troubleshooting

19.1 Remedying Lawn Mower or Battery Faults
Fault LEDs on the
battery
The lawn mower 1 LED flashes
does not start green.
when switched
on.
1 LED illumina‐
tes red.
3 LEDs flashing
red.
3 LEDs illumi‐
nate red.
4 LEDs flash
red.
52
► If the charger has a malfunction or is dam‐
aged: Replace the charger.
► If the connecting cable has a malfunction or is
damaged: Do not use the charger and have
the connecting cable replaced by a STIHL
servicing dealer.
Cause
The battery charge
state is too low.
The battery is too
warm or too cold.
There is a fault in the
lawn mower.
The lawn mower is
too warm.
There is a fault in the
battery.
The electrical connec‐
tion between the lawn
mower and battery
has been interrupted.
The lawn mower or
battery is damp.
The resistance at the
blade is too great.
The area around the
blade is blocked.
Remedy
► Charge the battery as described in the
instruction manual for
STIHL AL 101, 301, 500 chargers.
► Remove the battery.
► Allow the battery to cool down or warm
up.
► Remove the battery.
► Clean the electrical contacts in the bat‐
tery compartment.
► Fit the battery.
► Switch the lawn mower on.
► If 3 LEDs still flash red: do not use the
lawn mower and consult a STIHL spe‐
cialist dealer.
► Remove the battery.
► Allow the lawn mower to cool down.
► Remove the battery and fit it again.
► Switch the lawn mower on.
► If 4 LEDs still flash red: do not use the
battery and consult a STIHL specialist
dealer.
► Remove the battery.
► Clean the electrical contacts in the bat‐
tery compartment.
► Fit the battery.
► Remove the battery.
► Clean the lawn mower.
► Allow the lawn mower or battery to dry,
20.7.
► If working with self-propulsion engaged:
disengage self-propulsion.
► If working with self-propulsion disenga‐
ged: go forwards slower.
► Set a higher cutting height.
► Switch the lawn mower on in lower
grass.
► Clean the lawn mower.
19 Troubleshooting
0478-131-9605-B