LG WF-SA12HD6 Service Manual ▷ View online
50
Where, what & how to check?
Where, what & how to check?
Where, what & how to check?
9) Drain error happens while water drains normally.
Result of Check
Possible Cause
How to repair & settle
Pressure Switch
1. Check generation frequency of the
pressure switch without water.
Less than 26.3 kHz
26.3~27.1 kHz
Defect of the pressure
switch.
Defect of the controller.
Change the pressure switch.
Change the controller.
10) Spining is going on even though the lid is open.
Result of Check
Possible Cause
How to repair & settle
Lid Switch
1. Check resistance between both
terminals of the lid switch with the lid
open.
0~9 Ω
∞ Ω
Contact points of the lid
switch is welded.
Defect of the controller.
Change the lead wire
assembly.
Change the controller.
8) Water drains thought it is not the time of drain.
Result of Check
Possible Cause
How to repair & settle
Drain Hose
1. Check whether the drain hose is
installed properly so that the discharge
hight is about 0.9~1.2m from the floor.
The discharge height
is lower than
recommendation.
Wrong installation of the
drain hose.
Put the outlet of drain hose
between 0.9m and 1.2m
51
11) 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.
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, between the cabinet
and the wash bowl, when it is leveled.)
2. Check whether laundry in the wash bowl
is out of balance that can cause severe
vibration &noise.
3. Check whether the puisator doesnʼt
rotate during spin. (To check that,
remove the front lid and than run the
spin only cycle.)
Suspension
1. Check whether the outer tub cover hit
the top cover without load during spin.
Not leveled.
Laundry is
unbalanced.
The pulsator rotates
initially then the inner
tub rotates.
Hit
It is very important to find out what kinds of noise & where comes from to settle noise during spin and accumulately
service experiance.
Defect of installation
Defect of the clutch
Defect of the Suspension
Level the washer.
Explain that it is not out of
order and it may happen
when big &long laundry is
washed.
Change the clutch spring-B
or the clutch asm.
Change four suspensions
simultaneously.
(In assembling, check the
position to suspension asm)
12) Power is automatically turned off during operation or immediately turning on
the power button.
Where, what & how to check?
Result of Check
Possible Cause
How to repair & settle
Defect in mains
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.)
Mains voltage
1. It is mostly caused by noise from mains
or transient power cut.
52
12) Power is automatically turned off during operation or immediately turning on
the power button.
Where, what & how to check?
Result of Check
Possible Cause
How to repair & settle
Auto Power Relay or Controller
1. Check whether power is automatically
turned off when turning on the power
switch after unplugging the power cord
from the outlet.
2. It would be defect of the controller if
power is automatically tumed off
immediately when turning on the power
switch even though there is no defects
in the power switch.
Automatically tumed
off
Mechanical defect of the
power switch
Change the switch.
Change the controller.
53
5. EXPLODED VIEW
TOP COVER
ASSEMBLY
CABINET
ASSEMBLY
TUB ASSEMBLY
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