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32
SMART DIAGNOSIS™
Refer to the following table to resolve error messages encountered during Smart Diagnosis.
Voice message Solution
Robot Cleaner Smart Diagnosis will be started. Please step
away and clear around 1 meter around the home station.

ft.m)radius around Home
Station, and stay back until the diagnosis is complete.
Smart Diagnosis can start when it is being charged. Please
dock Robot Cleaner to the home station to charge.
Move Robot Cleaner to the Home Station to recharge it.
No defect found during diagnosis.
Diagnosis mode cannot be operated due to a low battery.
Please try again after the battery is charged.
Try the Smart Diagnosis again after recharging the
battery.
Please check if the dust bin is installed with the filter. Open the Dust Bin Cover and examine the bin.
Charging cannot be done due to a problem in infrared
sensor.
Run Smart Diagnosis again and, if the same message is

Charging cannot be done due to a problem in ultrasonic
sensor.
Run Smart Diagnosis again and, if the same message is

Charging cannot be done due to a problem in the cliff
detection sensors on the bottom. Please clean the sensors.
Clean the three Cliff Sensors on the bottom at the front
of the unit.
Please wipe the lower camera sensor on the right bottom
of the Robot Cleaner.
Clean the lens of Camera Sensor on the bottom-right.
Please wipe the obstacle detecting sensor window on the
left and right side of the Robot Cleaner.
Clean the lens of the Obstacle Sensors on both the left
and right hand sides.
A problem has been found on the Gyro Sensor. Run Smart Diagnosis again and, if the same message is

Please check for dirt on the left wheel. Check for foreign materials on the left wheel.
Please check for dirt on the right wheel. Check for foreign materials on the right wheel.
A problem has been found on the left wheel sensor. Run Smart Diagnosis again and, if the same message is

A problem has been found on the right wheel sensor. Run Smart Diagnosis again and, if the same message is

Please check the brushes for obstructions. Check for any foreign material stuck in the Brush.
A problem has been found in the suction motor. Run Smart Diagnosis again and, if the same message is

A problem has been found in the acceleration sensor. Run Smart Diagnosis again and, if the same message is

In order to listen to the Smart Diagnosis result again, please
press the charging button. To stop, please press the stop
button.
If you need to repeat the diagnosis result, press the
Home button, or press
button to finish the diagnosis.
Smart Diagnosis mode will be turned off.
Please try Smart Diagnosis again after turning the main
power switch off and on from the back of Robot Cleaner.
If the problem continues, please contact LG Electronics
customer care.
Smart Diagnosis mode cannot be operated with mop plate
being attached. Please try again after removing it.
Run Smart Diagnosis again after removing the Mop
Plate.
Smart Diagnosis has failed to operate. Please try it again
after turning off and on the main power switch on the back
of the Robot Cleaner.
Turn the main power switch OFF and then ON again
to resume the diagnosis. Do NOT touch the robot or
disturb its operation until the diagnosis is complete.
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