LG CordZero A9 Series, Руководство по обслуживанию

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Symptoms of malfunctions and measures
Symptoms of
malfunction
Pressing the
power button
does not start
the inlet motor.
If motor is
malfunctioning
If the inlet
motor is
malfunctioning
Pressing the
power button
does not start
the motor of the
product.
Product is
malfunctioning
Bad connection
Make sure
that all parts
are connected
correctly.
Product is not
malfunctioning
Inspection result
Cause
Battery has run out.
Bad harness connection
Bad harness connection
Battery is defective.
Inner lead cable is broken.
Motor coil is broken or burnt.
PCB assembly part is damaged/burnt.
Power button is damaged.
Main PCB is defective.
Power switch is malfunctioning.
Motor is defective.
Motor is defective.
Main PCB is defective.
Measures
Charge the battery.
Replace the harness.
Replace the harness.
Replace the battery.
Replace the lead cable.
Replace the motor.
Replace or repair the part.
Replace or repair the button.
Replace the main PCB.
Replace the switch.
Replace the motor.
Replace the motor.
Replace the main PCB.
Cause Measures
Pressing the
turbo button
does not stop
the motor.
Pressing the
power button
does not stop
the motor.
Ball bearing has worn out too much.
Lead cable is broken.
MICOM is malfunctioning.
Impeller is interfered
(by a foreign object).
Suction mode button does not work.
Battery protection mode
Replace the motor.
Replace or repair the cable.
Replace or repair the cable.
Remove the foreign object.
Replace or repair the cable.
Connect/disconnect the charging cable.