Find helpful information about your LG Product through our Help Library. Find helpful information about your LG Product through our Help Library.

Help library

Find helpful information about your LG product

[LG CordZero Roboking] The noise is louder than usual

Troubleshooting

Driving noises are mostly generated by foreign objects.
Check the side rotating brush, the rotating brush, the front caster, the wheel and the dust bin.
Noise will be louder when in turbo mode.
On a carpet or rough floor, the floor master function operates in turbo mode.
Noises are generated when the robot vacuum cleaner rotates.
There is a spring on the wheel, so when it rotates, the spring absorbs shocks and the sounds are generated.

Try this

How to disassemble, assemble or clean the front caster

Robot King vacuum cleaner bottom product structure Front caster, side rotating brush, rotating brush, wheels

① Insert a flat headed screw driver below the front wheel.

Use a flat-blade screwdriver to insert it under the front wheel.

② Lift up a flat headed screw driver to separate the wheel.

Lift the flat screwdriver upward.

③ After separating it, remove foreign objects.

Remove foreign substances after removing the wheels

④ Strongly press the top of wheel to reassemble it.

Assemble by pressing the front wheel firmly

How to clean the rotating brush on the side and the main rotating brush

① Using a cross headed screw driver, separate the center screws off the rotating brush on the side.


Remove the side rotating brush screw using a cross headed screwdriver.

② Pull the rotating brush on the side to separate it from the main body.

Pull and remove the side rotating brush

③ Using a cleaning brush, remove foreign objects.

Remove foreign substances with a cleaning brush

④ Press and pull the hook to separate the rotating brush cover.

Press and pull the hook on the rotating brush cover to separate it.

⑤ Grab the rotating brush and push it toward the yellow protrusion.

Push the rotating brush toward the yellow protrusion.

⑥ Lift the rotating brush to separate it.

Lift the white protrusions of the rotating brush to separate the rotating brush.

⑦ Use a vacuum cleaner to clean the rotating brush.

Clean the rotating brush using a vacuum cleaner
If hairs are intertangled, use a scissor to cut them and then remove them.
Remove hair from the rotating brush using a cleaning brush.

⑧ Remove foreign objects from the rotating brush fixing unit.

Removal of foreign substances from the rotating brush fixture of the product body

If the smart diagnosis result is ok, then reset the roboking for use.

How to reset the product

※ Keep the roboking about 50cm away from the charging station.


① While the roboking is turned on, press and hold down the Turbo/HOME button for 3 to 5 seconds.

Press the turbo button and the home button

② Check if all the LED lamps are lit.

All product LED indicators are turned on

③ Press the [Start/Stop] button and the LED lamp to reset.

Pressing the start/stop button

This guide was created for all models, so the images or content may be different from your product.

*Required question