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3. SWITCH OFF BUT MOTOR TURNS
4. WEAK SUCTION POWER
Low rotation speed
Motor turns normally,
but suction power is weak.
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Poor connection
Poor switch
(V-C7760NT/NE/NTV)
Carbon brush defaced
Motor armature cut
Foreign matters attached to
the impeller
Low voltage
Hose and extension wands
are clogged with foreign
matters.
The slide knob on the handle is
opened or the control knob is
located on weak position.
The motor filter is clogged.
The exhaust filter is clogged.
-8-
Repair the slide volume of hose
or triac of PWB assembly
Exchange the switch.
Exchange the carbon brush
or the motor.
Exchange the motor.
Remove the foreign matters.
Inquire to the power utility
company.
Remove the foreign matters
in the hose or extension
wands.
Close the slide knob by sliding it.
Regulate the knob.
Clean the motor filter.
Exchange the exhaust filter.
LGE Internal Use Only
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