47
EN
Problem
Probable Cause
Remedy
Appliance does not oper-
ate or appliance does not
charge
Battery is empty /
Appliance is switched off.
Charge battery /
Switch on appliance.
No electricity at wall
socket.
Use other wall socket.
Appliance does not vacu-
um dust
Dust container is full.
Empty dust container.
Filter is dirty.
Clean or replace filter.
Problem
Probable Cause
Remedy
Appliance operates
unusually loud
Sucked-in particles clog-
ging in the air path.
Remove particles. If
necessary, use a wooden
stick with a proper length
to do this.
Flashing red light 2 x
Failure of left
wheel.
Check if there are twis-
ters on the left wheel.
Flashing red light 3 x
Failure of right
wheel.
Check if there are twis-
ters on the right wheel.
Flashing red light 4 x
The device takes off and
stops after 1 second.
Take the device back to
the floor. Don’t let it stay
suspended in the air.
Flashing red light 5 x
Failure of front wheel.
Check if there are twis-
ters on the front wheel.
Flashing red light 6 x
Failure of ground
inspection.
Check if the sensing
window at the bottom of
the device is abnormally
shielded.
Flashing red light 7 x
Very low battery.
Return the device to the
docking station.
Flashing red light 8 x
Failure of front bumper.
Check if the device im-
pact buffer is ok.
Flashing red light 9 x
Failure of main brush.
Check if there are foreign
matters on the main
brush.