Service Manuals, User Guides, Schematic Diagrams or docs for : LG Vacuum Cleaner V-3947TV TROUBLE_SHOOTING
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TROUBLE SHOOTING
1. SWITCH ON BUT MOTOR DOES NOT TURN
Checking Cause Solution
Check the power Abnormal The fuse is melt down in
source Exchange the fuse
the coverknife switch
Poor plug insertion Insert again
Power cord cut Repair or exchange
Interior lead wire cut Exchange the lead wire
Normal
Motor(stator armature)
Exchange the motor
coil cut or damaged
Poor contact carbon
Exchange or repair
brush defaced
Poor switch contact point Exchange the switch
2. SWITCH ON, MOTOR DOES NOT TURN BUT BUZZES
Motor armature cut Exchange the motor
Ball bearing defacement Exchange the motor
Impeller hindrance Remove the foreign
(Caused by foreign matters) matters
-7-
3. SWITCH OFF BUT MOTOR TURNS
Poor connection Repair
Poor switch Exchange the switch
4. WEAK SUCTION POWER
Exchange the carbon
Carbon brush defaced
brush or the motor
Motor armature cut Exchange the motor
Low rotation speed
Foreign matters attached Remove the foreign
to the impeller matters
Inquire to the Power utility
Low voltage
company
Hose and extension wands Remove the foreign
are clogged with foreign matters in the hose or
matters extension wands
Motor turns normally, Remove the foreign
Filter bag or cloth bag is filled matters or exchange the
but suction power is
with inhaled foreign matters filter bag or clean the cloth
weak bag
The slide knob on the handle Close the slide knob by
is opened sliding it
-8-
5. VIBRATION NOISES
Loose parts Secure firmly
Unbalanced motor assembly Exchange or repair the motor
Foreign matters are attach
Remove the foreign matters
to the impeller
Poor carbon brush Exchange the carbon
rectification brush or the motor
Armature is cut or foreign Exchange motor
matters attached Remove foreign matters
6. RADIO, TV RECEPTION DISTURBANCE
Poor cord, lead wire Exchange cord, lead wire
Exchange the carbon
Poor carbon brush rectified
brush or the motor
Poor electric connector or Repair the electric
receiver connector or receiver
Poor capacitor Exchange the capacitor
7. IMPROPER HOSE OR NOZZLE CONNECTION
Bent connection parts Exchange the parts
Poor connection Remove the foreign matters
(Caused by foreign matters) and reconnect
-9-
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