-43-
Copyright ©
LG Electronics Inc. All rights reserved.
Only training and service purposes
Failures and measures
Failures
The product and
nozzle motor
won’t rotate even
though the Power
button has been
pressed.
If the product
motor is faulty
If the nozzle
motor is faulty
The motor won’t
rotate even
though the Power
button has been
pressed.
There is an
abnormality.
The connection is
faulty.
Connect properly.
There is no
abnormality.
Check
Result
Cause
The battery is dead.
The harness is connected incorrectly.
The harness is connected incorrectly.
The battery is faulty.
The internal lead wire is disconnected.
The motor coil is disconnected or burnt.
The PCB assembly part is burnt.
The Power button is burnt.
The main PCB is faulty.
The power switch is faulty.
The motor is faulty.
The motor is faulty.
The main PCB is faulty.
Repairs and measures
Charge the battery.
Replace the harness.
Replace the harness.
Replace the battery.
Replace the lead wire.
Replace the motor.
Replace or repair the part.
Replace or repair.
Replace the main PCB.
Replace the switch.
Replace the motor.
Replace the motor.
Replace the main PCB.
Cause
Repairs and
measures
The motor won’t
operate even
though the Turbo
button has been
pressed.
The motor won’t
stop even
though the
Power button
has been
pressed.
The ball bearing is worn abnormally.
The lead wire is short-circuited.
Micom runaway occurred.
The impeller is constrained (a foreign object was inserted).
The Suction Power Control button is faulty.
The battery is in the protect mode.
Replace the motor.
Repair or replace.
Repair or replace.
Remove the foreign object.
Repair or replace.
Connect/Disconnect the charging cable.
Failures
Check
Cause
Repairs and measures
The
rotation is
slow.
The
rotation is
normal but
the suction
power is
weak.
Check the
connection of
the connector.
Foreign objects are attached
to the impeller.
The adjustable extension tube
and nozzle are blocked by
dust and foreign objects.
The Suction Power Control
Button is in Low mode or
faulty.
The exhaust filter is clogged.
The battery level is low.
The free filter is clogged.
Air is leaking from the low
path of the dust bin.
Remove the foreign object.
Remove dust and foreign objects from
the adjustable extension tube and
nozzle.
Switch the Suction Power Control
button to Turbo and repair or replace
the PCB assembly.
Dust the exhaust filter before use or
replace it.
Charge the battery.
Wash the free filter before use.
Make sure the dust bin is closed.
The suction
power
is low.
There is no water
coming out of
the mop nozzle.
The product is
noisy or vibrates.
Each connection is loose.
Foreign objects are attached
to the impeller.
The tube inside the product
is broken, torn or blocked.
Motor assembly is
unbalanced.
Foreign objects are attached
to the motor.
The pump is faulty.
The connector is not
connected.
Fully plug in each connection.
Remove the foreign object.
Replace the motor.
Replace the motor and remove the
foreign object.
Disassemble and rearrange the tube.
Replace the pump.
Plug the connector in.
Check if the Wi-Fi
icon on the
display is on.
Wi-Fi connection
cannot be made.
The icon is flashing.
The icon is on.
The icon is off.
Wi-Fi connection is made.
Connect to Wi-Fi. Wait a moment to
check if the icon is on.
Turn off the Wi-Fi function and turn it on
again, or replace the PCB.
The compressor
lever won’t
operate or move.
If the compressor
is faulty
It is covered with dust.
Dust it before use or replace it.