LG WF-DS1100 Service Manual ▷ View online
48
10) Spin extraction is not proceeded.
Where, what & how to check?
Result of Check
Possible Cause How to repair & settle
There is motor
working sound.
working sound.
Less than
26.3
The lid is open
Defect of
connection part.
connection part.
The lid is open.
Defect of magnetic in
LID-B
LID-B
Contact defect of
the Ball Pressure
Sensor(Safety
Switch)
the Ball Pressure
Sensor(Safety
Switch)
Resistance is
normal
normal
Defect of the
capacitor or
Mechanically
capacitor or
Mechanically
locked.
Defect of the
Ball Pressure
Sensor(Pressure
Switch).
Sensor(Pressure
Switch).
Mistake in use.
Mistake in use.
Coil is open.
Coil is open.
Defect of
connection part or
defect of the
controller.
Defect of
connection part or
defect of the
controller.
Change the capacitor
after checking defect of
capacitor.
Check whether the
after checking defect of
capacitor.
Check whether the
washing clutch or the
washing tub is blocked
Change the Ball Pressure
Sensor(Pressure Switch).
Sensor(Pressure Switch).
Explain “The lid is close
during operation”
during operation”
Reconnect the conncetors.
Explain“The lid is close
during operation”
during operation”
Change the Lid-B
Change the Ball Pressure
Sensor(Safety Switch).
Sensor(Safety Switch).
Change the Clutch Housing Asm.
Change the drain motor.
Change the controller after
checking connection parts.
checking connection parts.
Motor
1. In the case that the wash motor does not
spin during spin extraction;
1) Check there is motor working
sound,or
2) If there is no motor-working
sound;
Check frequency of the
Ball Pressure Sensor
(Pressure Switch), under no load,
or
(Pressure Switch), under no load,
or
Check contact defect of the safety
switch, defect of connection parts
and whether the lid is open if door
error is displayed.
switch, defect of connection parts
and whether the lid is open if door
error is displayed.
Is placed the magnetic in Lid-B.
Check resistance of the motor.
Drain Motor/Clutch
1. In the case the motor rotates but the
inner tub does not rotates;
Check resistance of the drain
motor if the drain motor doesn’t
motor if the drain motor doesn’t
work,or
49
11) Spining is going on even though the lid is open.
Where, what & how to check?
Result of Check
Possible Cause How to repair & settle
Ball Pressure Sensor
1. Is placed the magnetic on the wash? Yes
No
Reed S/W is short
by magnetic on
the washer.
by magnetic on
the washer.
Reed Switch.
Keep magnet away from
the washer.
the washer.
Change the controller.
12) Spin basket doesn’t reach to full speed(normal rpm)
Where, what & how to check?
Result of Check
Possible Cause How to repair & settle
Main voltage
1. Check voltage at the power outlet
where the washer is plugged into.
Starting Capacitor
1. Check the capacitance of the
starting capacitor.
Blocked by foreign objects
1. Check whether the PV asm, the
drain pump & the drain hose are
blocked by foreign objects so that it
makes water-splashing noise in the
tub.
blocked by foreign objects so that it
makes water-splashing noise in the
tub.
Less than
85% of rating
85% of rating
Lack of
capacitance
capacitance
Tool low voltage
Defect of
capacitor
capacitor
Explain the cause and
recommend using a
transfomerformer if
necessary.
recommend using a
transfomerformer if
necessary.
Change the capacitor
Remove the foreign
objects.
objects.
50
13) Vibration, Noise or Unbalance Error happens during spin.
Where, what & how to check?
Result of Check
Possible Cause How to repair & settle
Using conditions such as
installation etc.
installation etc.
1. Check whether the washer is
leveled. (Check clearance with out
tub and out case the left gap is the
same as the right and the rear gap is
1.5~2 time bigger than the front gap,
same as the right and the rear gap is
1.5~2 time bigger than the front gap,
between the cabinet and the wash
bowl, when it is leveled.)
bowl, when it is leveled.)
2. Check whether laundry in the wash
bowl is out of balance that can
cause severe vibration & noise.
cause severe vibration & noise.
3. Check whether the pulsator doesn’t
rotate during spin.(To check that,
remove the front lid and than run the
spin only cycle.)
remove the front lid and than run the
spin only cycle.)
Safety Switch
1. Check whether the lever of the
safety switch touchs the outer tub if
touching noise happens.
touching noise happens.
Damper
1. Check whether the outer tub cover
hit the top cover without load
during spin.
during spin.
Not leveled.
Laundry is
unbalanced.
The pulsator
rotates initially
then the inner tub
rotates.
rotates initially
then the inner tub
rotates.
The lever is
bented
bented
Hit
Defect of
installation
installation
Defect of the
clutch
Defect of the
safety switch
safety switch
Defect of the
damper
damper
Level the washer.
Explain that it is not out
of order and it may
happen when big & long
laundry is washed.
of order and it may
happen when big & long
laundry is washed.
Change the clutch
spring-B or the clutch
asm.
spring-B or the clutch
asm.
Change the safety
switch.
Don’t repair and reuse it
because it creates
another problem if it is
wrongly repaired.
switch.
Don’t repair and reuse it
because it creates
another problem if it is
wrongly repaired.
Change four dampers
simultaneously.
(In assembling, check
the position to damper
asm)
simultaneously.
(In assembling, check
the position to damper
asm)
It is very important to find out what kinds of noise & where comes from to settle
noise during spin and accumulately service experiance.
51
14) Power is automatically turned off during operation or immediately
turning on the power switch.
Where, what & how to check?
Result of Check
Possible Cause How to repair & settle
Main voltage
1. It is mostly caused by noise from
mains or transfomerient power cut.
mains or transfomerient power cut.
AUTO OFF switch or
Controller
Controller
1. Check whether power is
automatically turned off when
turning on the AUTO OFF switch
after unplugging the power cord
from the outlet
turning on the AUTO OFF switch
after unplugging the power cord
from the outlet
2. It would be defect of the controller if
power is automatically turned off
immediately when turning on the
power switch even though there is
no defects in the AUTO OFF switch.
immediately when turning on the
power switch even though there is
no defects in the AUTO OFF switch.
Automatically
turned off
turned off
Defect in main.
Mechanical defect
of the AUTO OFF
switch.
of the AUTO OFF
switch.
Explain the cause.
(It happens specially
when a high frequency
equipment is a used
around the washer or in
the case voltage
fluctuation is big)
(It happens specially
when a high frequency
equipment is a used
around the washer or in
the case voltage
fluctuation is big)
Change the AUTO OFF
switch.
switch.
Change the controller.
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