-9-
Poor cord, lead wire
Poor carbon brush rectified
Poor electric connector
or receiver
Exchange cord, lead wire
Exchange the carbon brush
or the motor
Repair the electric connector
or receiver
Poor capacitor
Exchange the capacitor
Bent connection parts
Poor connection
(Caused by foreign matters)
Exchange the parts
Remove the foreign matters
and reconnect
Loose parts
Unbalanced motor assembly
Foreign matters are attached
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
Armature is cut or foreign
matters attached
Exchange motor
Remove foreign matters
5. VIBRATION NOISES
6. RADIO, TV RECEPTION DISTURBANCE
7. IMPROPER TUBE OR NOZZLE CONNECTION