Stihl RMA 443 C User Manual

Fault LEDs on the
battery
Cause Remedy
► If 3 LEDs still flash red: do not use the
lawn mower and consult a STIHL spe‐
cialist dealer.
3 LEDs illumi‐
nate red.
The lawn mower is
too warm.
► Pull out the activation key.
► Remove the battery.
► Allow the lawn mower to cool down.
4 LEDs flash
red.
There is a fault in the
battery.
► 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.
The electrical connec‐
tion between the lawn
mower and battery
has been interrupted.
► Pull out the activation key.
► Remove the battery.
► Clean the electric contacts in the battery
compartment.
► Insert the activation key.
► Fit the battery.
The lawn mower or
battery are damp.
► Pull out the activation key.
► Remove the battery.
► Clean the lawn mower.
► Allow the lawn mower or battery to dry.
The resistance at the
blade is too great.
► Set a higher cutting height.
► Switch the lawn mower on in lower
grass.
The area around the
blade is blocked.
► Clean the lawn mower.
The lawn mower
stops during ope‐
ration.
3 LEDs illumi‐
nate red.
The lawn mower is
too warm.
► Pull out the activation key.
► Remove the battery.
► Allow the lawn mower to cool down.
► Clean the lawn mower.
► Do not switch the lawn mower on too fre‐
quently within a short time.
► Set a higher cutting height.
► Mow shorter grass.
The blade is blocked. ► Pull out the activation key.
► Remove the battery.
► Clean the lawn mower.
There is an electrical
fault.
► Remove the battery and fit it again.
► Switch the lawn mower on.
The lawn mower
vibrates excessi‐
vely during ope‐
ration.
The blade fastening
screw is loose.
► Tighten the screw.
The blade is not cor‐
rectly balanced.
► Sharpen and balance the blade.
The lawn mower
operating time is
too short.
The battery is not fully
charged.
► Fully charge the battery.
The battery service
life has been excee‐
ded.
► Replace the battery.
The area around the
blade is blocked.
► Clean the lawn mower.
English 20 Troubleshooting
38 0478-131-9946-D

Stihl RMA 443 C Specifications

General

Type	Walk behind lawn mower
Cutting width	41 mm
Grass catcher	Yes
Product color	Black, Grey, Orange
Uncertainty K	0.7 m/s²
Number of wheels	4 wheel(s)
Rotational speed	3150 RPM
Maximum lawn area	- m²
Mulching function	-
Sound power level	92 dB
Handle(s) features	Adjustable, Foldable
Vibration emission	1.4 m/s²
Rear wheels diameter	200 mm
Sound pressure level	91.2 dB
Front wheels diameter	180 mm
Maximum cutting height	75 mm
Minimum cutting height	25 mm
Grass collecting volume	55 L
Suitable for slope up to	25 °
Power source	Battery
Battery voltage	36 V

Weight and Dimensions

Depth	1380 mm
Width	490 mm
Height	1080 mm
Weight	21000 g