Stihl RMA 443.3 V Instruction Manual page 54

English
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.
20.2 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.
54
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.
► 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.
Remedy
► 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 AL 101, 301, 500 chargers.
► Replace the battery.
► Clean the lawn mower.
► Sharpen and balance the blade.
► If working with self-propulsion engaged:
disengage self-propulsion.
► If working with self-propulsion disenga‐
ged: go forwards slower.
► 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.
► If working with self-propulsion engaged:
disengage self-propulsion.
► If working with self-propulsion disenga‐
ged: go forwards slower.
► Set a higher cutting height.
► Mow shorter grass.
20 Troubleshooting
0478-131-9671-B