LG V-C777S Service Manual page 8

5. VIBRATION NOISES
6. RADIO, TV RECEPTION DISTURBANCE
7. IMPROPER TUBE OR NOZZLE CONNECTION
Loose parts
Unbalanced motor assembly
Foreign matters are attached
to the impeller.
Poor carbon brush rectification
Armature is cut or foreign
matters attached.
Poor cord, lead wire
Poor rectification of
carbon brush
Poor electric connector or
receiver
Poor capacitor
Bent connection parts
Poor connection
(Caused by foreign matters)
-8-
Secure firmly.
Exchange or repair the motor.
Remove the foreign matters.
Exchange the motor.
Exchange the motor
Remove foreign matters.
Exchange cord, lead wire.
Exchange the motor.
Repair the electric connector
or receiver.
Exchange the capacitor.
Exchange the parts.
Remove the foreign matters
and reconnect.