Troubleshooting Charger; Specifications - Stihl Rma 248.3 Gebrauchsanleitung

20 Specifications

Fault LEDs on the
battery
The lawn mower
vibrates excessi‐
vely during ope‐
ration.
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.
19.2

Troubleshooting Charger

If the battery is not being charged and the LED
on the charger flashes red: There is no contact
between the charger and battery.
► Remove the battery.
► Clean contacts on charger.
► Fit the battery.
► If the battery is still not being charged and the
LED on the charger flashes red: Do not use
the charger and contact your STIHL servicing
dealer.
Malfunction in charger.
0478-131-9800-B
Cause
The blade is blocked. ► Remove the battery.
There is an electrical
fault.
The blade fastening
screw is loose.
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 Specifications
20.1
– Permissible battery: STIHL AK
– Weight with grass catcher box and without
battery:
– RMA 243.3: 26 kg
– RMA 248.3: 27 kg
– RMA 253.3: 28 kg
– Weight (m) with Grass catcher box and batter‐
ies STIHL AK 30 S:
Remedy
► Set a higher cutting height.
► Mow shorter grass.
► Clean the lawn mower.
► Remove the battery and fit it again.
► Switch the lawn mower on.
► Tighten the screw.
► Sharpen and balance the blade.
► Charge the battery fully as described in
the instruction manual for STIHL char‐
gers AL 101, 301, 500.
► 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.
Lawn mower STIHL
RMA 243.3, RMA 248.3,
RMA 253.3
English
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