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TROUBLE SHOOTING
1. Switch on but motor does not turn

CHECKING CAUSE SOLUTION


Check the power source




Poor plug insertion Insert again




Power cord cut Repair or exchange




Interior lead wire cut Exchange the lead wire
Normal

Motor(stator armature) coil cut Exchange the motor
or damaged



Poor contact carbon brush
Exchange or repair
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
(Caused by foreign matters) Remove the foreign matters




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3. Switch off but motor turns

Poor connection Repair




Poor switch Exchange the switch




4. Weak suction power

Exchange the carbon brush
Carbon brush defaced
or the motor



Motor armature cut Exchange the motor

Low rotation speed

Foreign matters attached to Remove the foreign matters
the impeller



Inquire to the power utility
Low voltage
company




Hose and extension wands are Remove the foreign matters
clogged with foreign matters in the hose or extension wands



Filter bag or cloth bag is filled Remove the foreign matters
Motor turns normally, or exchange the filter bag or
but suction power is weak with inhaled foreign matters
clean the cloth bag



The slide knob on the handle Close the slide knob by
is opened sliding it




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5. VIBRATION NOISES

Loose parts Secure firmly




Unbalanced motor assembly Exchange or repair the motor



Foreign matters are attached Remove the foreign matters
to the impeller



Exchange the carbon brush
Poor carbon brush rectification
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 brush
Poor carbon brush rectified
or the motor



Poor electric connector Repair the electric connector
or receiver 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




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