LG T8504DE Service Manual ▷ View online
Introduction of each operation button
(T8504DE)
AIR DRY
TIME LEFT, DELAY, ALARM INDICATION
●Use to improve the dehydration performance,
prevent the mold caused by moist air.。
● During "Air Dry", only "START/PAUSE",
prevent the mold caused by moist air.。
● During "Air Dry", only "START/PAUSE",
"PROGRAM" and "POWER" button are
available.
available.
● “AIR DRY” will go on till the power is off
● Time left-During operation, the remaining time is
indicated。
●DELAY START
INDICATION(RESERVATION)-When DELAY
START(RESERVATION) program is selected, it
indicates the finishing time。
●Alarm indication-When an error occurs, an error
indicated。
●DELAY START
INDICATION(RESERVATION)-When DELAY
START(RESERVATION) program is selected, it
indicates the finishing time。
●Alarm indication-When an error occurs, an error
message appears to indicate the abnormality. For
example,
indicates that the lid is open。
STREAM
●The stream strength
can be adjusted
manually with a
cycle of
medium→strong→w
eak according to
requirements.
WATER LEVEL
WASH
RINSE
CHILD LOCK
● According to the weight of laundry, this
machine detects the quantity of laundry
automatically, then sets and displays the
WATER LEVEL and proper amount of
Detergent.
automatically, then sets and displays the
WATER LEVEL and proper amount of
Detergent.
● The water level can be adjusted manually
with a cycle of
[7→8→9→10→1→2→3→4→5→6→
7…] According to requirements as the
button is pressed.
[7→8→9→10→1→2→3→4→5→6→
7…] According to requirements as the
button is pressed.
●Use to adjust washing time.
●Washing time can be adjusted
●Washing time can be adjusted
manually according to
requirements and the time is
increasing with certain
sequence as the button is
pushed.
requirements and the time is
increasing with certain
sequence as the button is
pushed.
●Press "START/PAUSE" button
before adjusting the "WASH"
program.
program.
● Press "RINSE" button to
adjust rinsing times.
● The rinsing times can be
adjusted manually
according to requirements
and are no more than
five.[1→2→3→4→5→off
→1]
according to requirements
and are no more than
five.[1→2→3→4→5→off
→1]
●Use to lock or unlock the
control buttons to prevent
settings from being changed by
a child。
settings from being changed by
a child。
●To lock, push the RINSE and
SPIN buttons simultaneously
for 3 seconds。
for 3 seconds。
●“CHILD LOCK” is activated
with sound “DINGDING” and
screen displays
screen displays
every 2 seconds. During the
“CHILD LOCK”, all the
buttons are locked including
“POWER”.
“CHILD LOCK”, all the
buttons are locked including
“POWER”.
●If you want to unlock during
wash, press both “WASH” and
“SPIN” button simultaneously
again.
“SPIN” button simultaneously
again.
Notice:
4. Because of automatically optimization of the micro-processor, the display time may change. The increase and
decrease of the old time should not exceed 8 minutes and 4 minutes respectively.
5.
The standard that compared with sensor result is set up according to the normal standard, which may not
conform with some specific users.
6.
The detergent amount sensor is designed according to the synthetic detergent. If you add liquid detergent,
soap powder or overdose bleach, sensor sensitivity will degrade.
soap powder or overdose bleach, sensor sensitivity will degrade.
17
(WASHING CONDITION INDICATOR)
(START/PAUSE)
● The program can only be executed when it is under the "STANDARD" or
"INTELLIGENT WASH" mode. It cannot be perceived if "WASH", "RINSE"
or "SPIN" is selected.
or "SPIN" is selected.
● During sensor, the indicator blinks in the order of green-orange-red. When
sensor is over, a specific color will be displayed according to the following
detecting result.
detecting result.
1. If the washing condition(amount of detergent, water temperature and water
quality) is superior to standard condition, the micro-processor will
automatically reduce washing time/strength and the indicator will turn red.。
automatically reduce washing time/strength and the indicator will turn red.。
2. If the washing condition is inferior to standard condition, Micro-processor will
automatically improve washing time/strength and the indicator will turn
orange.
orange.
3. If the washing condition is standard, the program remains unchange and
indicator turns green.
● Use to start or pause the
washing process。
● Repeats start and pause
by pushing the button.
(AUTO OFF)
● Use to turn the power on or off。
● The power goes off
automatically about 10
seconds after the wash is
finished or 10 miniutes under
PAUSE state。
SPIN)
DELAY
(PROGRAM)
●Use to adjust spinning time.
●Spinning time can be adjusted
●Spinning time can be adjusted
manually according to requirements
and the time is increasing with
certain sequence as the button is
pushed.
and the time is increasing with
certain sequence as the button is
pushed.
●Press "START/PAUSE" button before
adjusting the "SPIN" program.
● Use to set a delayed finishing time
before a leave to avoid wrinkling。
● The following settings are indicated as
the button is pushed
3->4->5->….11->12->14->16…46->
48->3 HOUR
3->4->5->….11->12->14->16…46->
48->3 HOUR
●Use for selecting wash program 。
● This button allows you to select 8
● This button allows you to select 8
different programs for different kinds
of laundry and dirtiness 。 Program
selections light up in sequence as
follows:
FUZZY(NORMAL)→POWER
WASH→QUICK
WASH→WOOL→INTELLIGENT
WASH→SILENT→CASUAL
WASH→TUB
CLEAN→FUZZY(NORMAL)]
of laundry and dirtiness 。 Program
selections light up in sequence as
follows:
FUZZY(NORMAL)→POWER
WASH→QUICK
WASH→WOOL→INTELLIGENT
WASH→SILENT→CASUAL
WASH→TUB
CLEAN→FUZZY(NORMAL)]
● To cancel delay time, turn the power
switch off。
4. Sensor sensitivity will decrease after long-time use. Please use "TUB CLEAN" program to clean the inner and
outer tub。
5. Even if the water level or temperature is changed during "STANDARD" program, the sensor is still working.
Inner optimization algorithm varies because of different models。
6. Control panel may differ according to different models.
7. "Three-level" mode is available when the water level is between 3 and 8 beside "WOOL" and "TUB CLEAN"
program.
18
9.
Disassembly guide
● Unplug before repairing and replacing
electronic components.
Electrostatic Cautions
Chart 1
●Earth wire should be connected before
troubleshooting or parts replacement.
● Discharging before working if possible.
Connector
PC board module
9-1. Front panel and PC board
disassembly
①
Remove two screw caps with sharp tools;
Then remove fixed screw on front panel
Then remove fixed screw on front panel
②
Push front panel to the left and fetch out
③
Remove connectors on PC board
④
Unload 4 screws on front panel
⑤
Unload PC board module
19
Back panel
9-2. Back panel, Power
cord, Inlet valve and BP
sensor Disassembly
①
Then remove fixed 2 screws on
back panel.
②
Unload back panel
③
Remove a fixed screw on filter.
④
remove power cord after
unplugging two connectors.
BP sensor
Filter
⑥
Unplug connectors on inlet valve
and then remove fixed screws on
valve.
and then remove fixed screws on
valve.
Sub
PCB
PCB
⑦
Fetch out inlet valve.
⑧
Unplug connector and pressure
tube from BP sensor.
tube from BP sensor.
Power
Inlet
⑨
Fetch out BP sensor.
Trsional spring
Bolt Bolt
20
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