DOWNLOAD LG WF-SA12HD6 Service Manual ↓ Size: 12.82 MB | Pages: 57 in PDF or view online for FREE

Model
WF-SA12HD6
Pages
57
Size
12.82 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
wf-sa12hd6.pdf
Date

LG WF-SA12HD6 Service Manual ▷ View online

37
Water Guide
Fixing Bolt
Hall Sensor
Stator Housing
6) Replacement of Rotor & Stator
① 
 Disassemble rotor nut with boxer(M18) or 
spaner.  
(※ In assembled, the force is over than 200kgf.
cm)
②  
Disassemble rotor, pull out the rotor as shown 
the figure.
③  
Disconnect fixing screw and disassemble the 
water guide.
④  
Before disassemble stator,disconnect the hall 
sensor and stator housing.
38
⑤ 
 Loosen the 6 fixing screws on the stator. 
(Lower upper position screws)
⑥ 
 Check the direction of SNAP RING. 
(The handle of snap ring is toward to rotor and 
stator.)
⑦  
Preventing fallen the stator, tighten with one 
hand and then loosen the last screw.
⑧  
For assembly take care lead wire's state, it 
produce a noise and cut attach the rotor.
7) Replacement of Bearing housing 
asm
④  
Loosen 14 Fixing screws on the Bearing 
Housing ASM and pull up it.
SNAP RING.
Hall Sensor
Stator Housing
Water Guide
39
1. Cautions during the service
■  
Both AC220V and DC power are embedded in the controller assembly output connector, so be careful of the 
electric shock during the disorder diagnosis.(Wear cotton gloves during the work.) 
  When you replace controller in the washer, make sure to check if the power is cut off before the disassembly 
or assembly.
  Always be careful of the static electricity during the handling of the controller assembly, and transport and store 
it in static electricity prevention vinyl bag.
You can check problems of the washer as follows by pressing the start/pause button.
The washer must be empty and the controls must be plugged in and turned off.
2. SVC test mode
■  
How to enter SVC test mode: Power ON, press cold water washing and wash key at the same time to enter 
the test mode.
■  
Every time you press start/pause button, test mode changes, and you can check the operation status.
■  
When you start the test mode, door is locked, and when the test mode ends, door opens.
3. Actions in each test mode
■  
You can check problems of the washer as follows by pressing the start/pause button.
4-3. How to use Test Mode
Step
Mode
Action
Displayed Contents
Remark
t1
Main Version Check
All LEDs are lighted
‘Main VERSION’ and ‘Model 
Option Character’
You can check ‘tE Error’
t2
Display Version check 
and Button check
-
‘Display Version’
-
t3
Water 
Valve 
Check
-
-
Level frequency
(26.7kHz is displayed as 67)
Valve operates until 
23.3kHz, and the power 
is automatically turned 
off at 23.3kHz. (Overflow 
prevention)
A
Cold valve is activated
B
Softener Dispenser and Hot 
Valve are activated
C
Jet Spray Dispenser is activated
t4
Heater 
Check
Heater On
Eye sensor correction group 
value(1~26)
Heating is activated
t5
Alpha 
Check
Carry out alpha
Water discharge starts
Alpha RPM
RPM : 220
On time : 180s
Slope : 30 rpm/sec
t6
Drain 
Check
At water discharge level 
frequency of 26.0kHz, after 50 
sec., it is automatically changed 
to T7.
Before the level frequency 
reaching 26.0kHz, level 
frequency is displayed after 
reaching the longitude data.
-
t7
Load 
sensing
Check
After completing spray 
amount detection 1 time, it is 
automatically changed to t8.
Displays spray amount detection 
result value. 
(Displays Err)
-
t8
Agitate 
Check
Door Lock reset
Pulsator Mode change
Pulsator stirring starts
Displays spray amount detection 
result value. 
(Displays Err)
t9
Spin 
Check
anddE 
Error
Check
Basket Mode change
Spin dry starts
Before 500RPM: current RPM/
500RPM or more: UB value/
Before 500RPM: Max emission 
value/
RSt: UB value
Current RPM is displayed in the 
units of 2 sec.
After reaching the maximum 
RPM, continuous MS 
(40~90rpm) area for 200 sec.
UB No sense
t10
OFF
Power off
-
-
40
Many washing problems involve poor soil and stain removal, residues of lint and scum, and fabric damage. For
satisfactory washing results, follow these instructions.
Use ONLY powdered or liquid HE (High Effificiency) detergents. Do NOT use flakes scraped from a soap 
cake or bar, flakes, soap ribbons (available in some markets,) detergent tablets, plastic pouches, magic 
laundry balls, or anything other than powdered or liquid HE detergent products. Do not use soap of any kind. 
Do not use other types of detergent or soap products, such as hand soap, dishwashng liquid, or any others. 
4-4. TROUBLESHOOTING BY COMMON WASHING PROBLEMS
WASHING PROBLEM
Problems  
Poor soil
removal
Blue Stains
Black or gray
marks on
clothes
Yellow or
brown rust
stains
Lint
Residue or
Detergent
Holes, tears,
or snags
Possible Causes
· 
Insufficient detergent
· 
Wash water temperature too low
· 
Incorrect wash cycle
· 
Laundry missorted
· 
Stains not properly pretreated
· 
Undiluted fabric softener 
dispensed directly onto fabric
· 
A buildup caused by the interaction 
of fabric softener and detergent 
can flake off and mark clothes
· 
Not enough detergent
· 
Iron or manganese in water 
supply, water pipes, or water 
heater
· 
Incorrect sorting
· 
Tissues left in pocket
· 
Overloading the washer
· 
Overloading the washer
· 
Undissolved detergent
· 
Excessive detergent
· 
Incorrect use of chlorine bleach.
· 
Unfastened zippers, hooks, 
buckles
· 
Ribs, tears and broken threads
· 
Overloading the washer
· 
Degradation of fabric
Solutions and Preventive Measures
· 
Use correct amount of detergent for load size, amount of soil and 
water hardness.
· 
Use WARM or HOT water for normal soil. Different water 
temperature may be required according to soil type. (refer to page 10)
·
Reduce load size.
· 
Wash with heavy or soak & heavy wash cycle for heavy soiled 
laundry.
·
Separate heavily soiled items from lightly soiled ones.
· 
Pretreat stain and heavy soil according to directions shown on 
page 15.
·
Pretreat the stain with detergent or a stain removal agent.
· 
Do not overfill fabric softener dispenser and do not pour liquid fabric 
softener directly onto fabric. 
See page 13 for more instructions.
·
Keep the recommendations against scum (waxy buildup).
· 
Use correct amount of detergent for load size, soil level,  
and water hardness.
· 
To restore discolored load of whites, use rust remover safe for 
fabric.
· 
Install nonprecipitating water softener or an iron filter in your 
water supply system for an ongoing problem.
·
Before washing, run water for a few minutes to clear lines.
· 
Wash lint-producing items, like flannel sheets, towels, and the like 
separately from dark fabrics and fabrics that tend to collect lint. 
Remove all items, including tissues and papers, from the pockets of 
items to be washed. See page 9 for sorting information. 
·
Do not overload the washer.
·
Do not overload the washer.
· 
Some detergents need to be pre-dissolved, check the 
detergent instructions. Try pre-dissolving the detergent.
·
Increase water temperature using HOT water safe for fabric.
·
Use proper amount of detergent.
· 
Never pour chlorine bleach directly on fabric. 
See page 11 for adding liquid bleach.
·
Fasten zippers, hooks, and buckles.
·
Remove objects in pockets. See page 9 for caring before loading.
·
Do not overload the washer.
Page of 57
Display

Click on the first or last page to see other WF-SA12HD6 service manuals if exist.