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19 Troubleshooting
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 
operation.
3 LEDs illuminate 
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 frequently 
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 excessively 
during operation.
The blade fastening screw 
is loose.
► Tighten the screw.
The blade is not correctly 
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 exceeded.
► Replace the battery.
The area around the blade 
is blocked.
► Clean the lawn mower.
Fault LEDs on the 
battery
Cause Remedy