LG HOM-BOT LRV590S Owner's Manual page 32

When the voice, "Please check the brush", is announced.
When the Roboking detects that the brush is not functioning properly, you will hear the message
"Please check the brush. "
Lay a smooth cloth on the floor, overturn the Roboking, and place it on the cloth.
The side brush is stuck.
Remove any foreign materials such as cables, thread or hair caught in the side brush or the brush.
Confirm the correct assembly of the brush by checking the separation groove of the brush.
The brush is making a loud, abnormal sound.
Remove the brush from the Roboking and remove any foreign material from the brush.
For a more detailed description of this process, refer to the instructions on page 24.
TROUBLESHOOTING
Separation
groove of brush
Proper assembly assures that the rota-
tion of the brush becomes smooth.
Separation
groove of brush
28