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