LG WF-S150S, Service Manual

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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 - -