LG V-C3643HT Service Manual ▷ View online
SOLUTION
CAUSE
Check the power source
CHECKING
Poor plug insertion
Power cord cut
Interior lead wire cut
Motor(stator armature) coil cut
or damaged
or damaged
Poor contact carbon brush
defaced
defaced
Motor armature cut
Ball bearing defacement
Impeller hindrance
(Caused by foreign matters)
(Caused by foreign matters)
Insert again
Repair or exchange
Exchange the lead wire
Exchange the motor
Exchange or repair
Poor switch contact point
Exchange the switch
Exchange the motor
Exchange the motor
Remove the foreign matters
Normal
-9-
TROUBLE SHOOTING
1. Switch on but motor does not turn
2. Switch on, motor does not turn but buzzes
Poor connection
Poor switch
Carbon brush defaced
Motor armature cut
Foreign matters attached to
the impeller
the impeller
Low voltage
Hose and extension wands are
clogged with foreign matters
clogged with foreign matters
Filter bag is filled with inhaled
foreign matters
foreign matters
Repair
Exchange the switch
Exchange the carbon brush
or the motor
or the motor
Exchange the motor
Remove the foreign matters
Inquire to the power utility
company
company
Remove the foreign matters
in the hose or extension wands
in the hose or extension wands
Low rotation speed
Motor turns normally,
but suction power is weak
but suction power is weak
Remove the foreign matters
or exchange the filter bag
or exchange the filter bag
-10-
3. Switch off but motor turns
4. Weak suction power
-11-
Poor cord, lead wire
Poor carbon brush rectified
Poor electric connector
or receiver
or receiver
Poor capacitor
Exchange cord, lead wire
Exchange the carbon brush
or the motor
or the motor
Repair the electric connector
or receiver
or receiver
Exchange the capacitor
Bent connection parts
Poor connection
(Caused by foreign matters)
(Caused by foreign matters)
Exchange the parts
Remove the foreign matters
and reconnect
and reconnect
Loose parts
Unbalanced motor assembly
Foreign matters are attached
to the impeller
to the impeller
Poor carbon brush rectification
Secure firmly
Exchange or repair the motor
Remove the foreign matters
Exchange the carbon brush
or the motor
or the motor
Armature is cut or foreign
matters attached
matters attached
Exchange motor
Remove foreign matters
Remove foreign matters
5. VIBRATION NOISES
6. RADIO, TV RECEPTION DISTURBANCE
7. IMPROPER HOSE OR NOZZLE CONNECTION
-11-
Poor cord, lead wire
Poor carbon brush rectified
Poor electric connector
or receiver
or receiver
Poor capacitor
Exchange cord, lead wire
Exchange the carbon brush
or the motor
or the motor
Repair the electric connector
or receiver
or receiver
Exchange the capacitor
Bent connection parts
Poor connection
(Caused by foreign matters)
(Caused by foreign matters)
Exchange the parts
Remove the foreign matters
and reconnect
and reconnect
Loose parts
Unbalanced motor assembly
Foreign matters are attached
to the impeller
to the impeller
Poor carbon brush rectification
Secure firmly
Exchange or repair the motor
Remove the foreign matters
Exchange the carbon brush
or the motor
or the motor
Armature is cut or foreign
matters attached
matters attached
Exchange motor
Remove foreign matters
Remove foreign matters
5. VIBRATION NOISES
6. RADIO, TV RECEPTION DISTURBANCE
7. IMPROPER HOSE OR NOZZLE CONNECTION