Stihl RMA 443 PC Instruction Manual page 61

20 Troubleshooting
Fault LEDs on the
battery
Self-propulsion is not
working.
The lawn mower 3 LEDs illuminate
stops during red.
operation.
The lawn mower
vibrates excessively
during operation.
The lawn mower
operating time is too
short.
0478-131-9959-A
Cause
The lawn mower or battery
are damp.
The resistance at the blade
is too great.
The area around the blade
is blocked.
There is a fault in the self-
propulsion mechanism.
The lawn mower is too
warm.
The blade is blocked.
There is an electrical fault. ► Remove the battery and fit it again.
The blade fastening screw
is loose.
The blade is not correctly
balanced.
The battery is not fully
charged.
Remedy
► Pull out the activation key.
► Remove the battery.
► Clean the lawn mower.
► Allow the lawn mower or battery to dry.
► Set a higher cutting height.
► Switch the lawn mower on in lower grass.
► Clean the lawn mower.
► Consult a STIHL specialist dealer.
► 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 frequently
within a short time.
► If working with self-propulsion engaged: switch off
self-propulsion.
► If working with self-propulsion disengaged: go
forwards slower.
► Set a higher cutting height.
► Mow shorter grass.
► Pull out the activation key.
► Remove the battery.
► Clean the lawn mower.
► Switch the lawn mower on.
► Tighten the screw.
► Sharpen and balance the blade.
► Fully charge the battery.
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