Repairing; Troubleshooting - Stihl RMA 443.3 PV Instruction Manual

19 Repairing

► Block blade (2) using a piece of wood (3).
► Tighten screw with washer (1) to 60 Nm.
18.2 Sharpening and Balancing the
Blade
Sharpening and balancing the blade correctly
requires a lot of practice.
STIHL recommends having the blade sharpened
and balanced by a STIHL specialist dealer.
The current addresses of the specialist dealers
can be found under the respective STIHL country
representative at www.stihl.com.
WARNING
■ The cutting edges of the blade are sharp. This
may result in the user cutting themselves.
► Wear protective gloves.
► Switch the lawn mower off and remove the
battery.

20 Troubleshooting

20.1 Remedying Lawn Mower or Battery Faults
Fault LEDs on the ope‐
rating unit
The lawn Overheating indi‐
mower does cator lights up
not reach the yellow.
usual power.
Overheating indi‐
cator lights up
red.
The lawn AUTO-BOOST
mower loses mode indicator
power in flashes green.
AUTO-
BOOST
mode.
The lawn 1 LED on the
mower does charge state indi‐
not start when cator flashes
switched on. green.
1 LED on the
charge state indi‐
cator illuminates
red.
0478-131-9670-B
► Upend the lawn mower.
► Remove the blade.
► Sharpen the blade. Observe the sharpening
angle and cool the blade,
Bluing of the blade during sharpening is not
permitted.
► Attach the blade.
► If anything is unclear: consult a STIHL special‐
ist dealer.
19 Repairing
19.1
The user should not repair the lawn mower or
blade themselves.
► 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.
LEDs on the Cause
battery
The temperatures
of the electronics
or of the motor
are too high.
The lawn mower
is too warm.
The batteries are
too warm.
1 LED fla‐ The battery
shes green. charge state is
too low.
1 LED illumi‐ The battery is too
nates red. warm or too cold.
Repairing the Lawn Mower
Remedy
► Allow the lawn mower to cool
down.
► Do not switch the lawn mower
on too frequently within a short
time.
► If working with self-propulsion
engaged: disengage self-pro‐
pulsion.
► If working with self-propulsion
disengaged: go forwards slo‐
wer.
► Set a higher cutting height.
► Mow shorter grass.
► The lawn mower switches off
automatically.
► Allow the lawn mower to cool
down.
► The lawn mower automatically
switches to Standard mode.
Charge the battery.
► Remove the battery.
► Allow the battery to cool down
or warm up.
English
21.2.
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