LG VK8710H Service Manual page 8

4. SWITCH OFF BUT MOTOR TURNS
5. WEAK SUCTION POWER
Low rotation speed
Motor turns normally,
but suction power is weak.
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Only for training and service purposes
Poor connection
Motor armature cut
Foreign matters attached to
the impeller
Low voltage
Hose and extension wands
are clogged with foreign
matters.
Filter bag or cloth bag is filled
with inhaled foreign matters.
The slide knob on the handle
is opened.
-8-
Repair.
Exchange the motor
Remove the foreign matters
Inquire to the power utility
company
Remove the foreign matters
in the hose or extension
wands.
Remove the foreign matters
or exchange the filter bag
or clean the cloth bag.
Close the slide knob by
sliding it.
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