LG V-K8701HTU, Service Manual

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3. SWITCH OFF BUT MOTOR TURNS
4. WEAK SUCTION POWER
Poor connection Repair.
Motor armature cut Exchange the motor.
Foreign matters attached to
the impeller
Low rotation speed Remove the foreign matters.
Low voltage
Inquire to the power utility
company.
Hose and extension wands
are clogged with foreign
matters. Remove the foreign matters
in the hose or extension
wands.
Filter bag or cloth bag is filled
with inhaled foreign matters.
Motor turns normally,
but suction power is weak.
Remove the foreign matters
or exchange the filter bag
or clean the cloth bag.
The slide knob on the handle
is opened. Close the slide knob by
sliding it.