LG LD-1426T User manual

DISHWASHER
SERVICE MANUAL
BEFORE SERVICING THE UNIT, PLEASE READ THIS MANUAL CAREFULLY
FOR SAFETY AND CORRECT SERVICES.
NOTE
Model : LD-1426T
LD-1416T
LD-1415M
LD-1403W
LD-1204W/LD-1204M
Website : http://www.LGEservice.com
http://blz.lgservice.com
E-mail : http://LGEservice.com/techsup.html

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1. CAUTION......................................................................................................................... 4
2. SPECIFICATIONS ........................................................................................................... 5
3. PARTS NAME.................................................................................................................. 6
4. FEATURES & TECHNICAL EXPLANATION ................................................................... 7
5. WIRING DIAGRAM...................................................................................................... 17
6. PROGRAM CHART (SCHEMATIC DIAGRAM)............................................................ 19
7. HOW TO DISASSEMBLE ............................................................................................ 24
8. TROUBLE SHOOTING METHODS.............................................................................. 35
A. TROUBLE SHOOTING ACCORDING TO DISPLAYED ERROR MESSAGE.......... 35
B. TROUBLE DIAGNOSES AND REPAIR BY SYMPTOM........................................... 37
9. INSTALLATION INSTRUCTION ................................................................................... 41
10. EXPLODED VIEW .......................................................................................................45
11. REPLACEMENT PART LIST ........................................................................................60
CONTENTS

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DISCONNECT POWER CORD BEFORE SERVICING
RECONNECT ALL GROUNDING DEVICES
IMPORTANT SAFETY NOTICE !
This service information is intended for individuals
possessing adequate backgrounds of electrical,
electronic and mechanical experience.
Any attempt to repair this appliance may result in
personal injury and property damage.
The manufacturer or seller can not be responsible
for the interpretation of this information, nor can it
assume any liability in connection with its use.
CAUTION !

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2. SPECIFICATION
ITEM
Model
Rated Voltage / Frequency
Installation
Place Settings
Product Dimension(mm)
Product Weight(Kg)
Door Color
Tub Material
Control
Rated Power(Watt)
Heater Power(Watt)
Programs
Racks
Power Consumption (kWh)
Water Consumption
Operating Time (min)
Fan Dry System
Delay Start Function
Auto-Off Power Switch
Process Monitor
Wash Level
Operating Water Pressure (Bar)
Lower Rack
Upper Rack Position
LD-1426T LD-1416T
AC 240V/50Hz
Free Standing
Stainless Steel
Electronic
2210
2100
Nylon Coating
Yes
Yes
Yes
Yes
5
0.5~8
600(W) 600(D) 850(H)
52
LD-1415M LD-1403W LD-1204W/M
SPECIFICATION
14
56
Stainless
Steel
Adjustable Siding
Adjustable
50% Fold down
Removal Rack 50% Fold down 100% Fold down 50% Fold down
Stainless
Steel Titanium White White / Titanium
14 14 14 12
65567
1.05 1.05 1.05 0.7 0.7
20
(Eco+Rinse) 20 (Eco) 20 (Eco) 18 (Eco+Rinse) 20 (Eco)
116
(Except drying)
145
(Except drying)
145
(Except drying)
84 84

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3. PARTS NAME
1. Control Panel
2. Door Handle(with Handle Deco)
3. Front Cover
4. Lower Cover
5. Process Monitor
6. Power Switch
7. Drain Hose
8. Inlet Valve(or Aqua Stop)
9. Power Cord
10. Adjust Leg
11. Upper Rack
12. Cutlery Basket
13. Detergent & Rinse Aid Dispenser
14. Vapor Vent Cover
15. Upper Spray Arm
16. Lower Spray Arm
17. Filter ASM
18. Lower Rack
The appearance and specifications may vary without notice.
LD-1426T LD-1416T/1415M
LD-1403W/1204W/1204M
LD-1403W/1204W/1204M
The racks are different each other by model
Inlet Hose

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4. FEATURES & TECHNICAL EXPLANATION
Over 77 ~80
4-1 New Technology Introduction
• During the high temp. Rinse course, water
temperature in a dishwasher reaches ◉,
considerably higher than the average rinse
temperature in conventional
dishwashers(65°C). This is how Rinse course
can eliminate some bacteria such as
salmonella.
4-1-1. High Temperature Rinsing (Extra Hot function)
• Turbo Spray System is elaborately designed to
achieve a more powerful and efficient wash.
You can see the excellent 3 rotating spray arm
with 5 directional waterjet.
4-1-2. Turbo Spray System
Extra Hot
Temperature Model
77°C
80°C
LD-1426T
LD-1403W
LD-1204W/M
LD-1416T
LD-1415M

4-2 Display Panel
4-2-1. LD-1426T
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PROGRAM
• When you want to
select program, press
each button.
BEEP ON / OFF
• The dishwasher must be switched
off.
• The beep on/off function can be
set by pressing the Half Load and
Power button simultaneously for
seconds, then a “on” will appear
in the time display.
• To change the setting, press the
Half Load button.
• The beep on/off function is
automatically canceled when
power failure occur.
CHILD
LOCK
• Used to lock or
unlock the
control buttons
to prevent all
the setting from
being changed
by a child.
• For locking /
unlocking, press
Auto and Quick
button
simultaneously.
EXTRA HOT
/ RINSE+
• With each press,
77℃extra hot,
Rinse+, 77℃
extra hot & Rinse+
is repeated.
TIME DELAY
• If you want to delay the start
of selected program, press
this button before start.
• Pressing the delay time will
increase time by 1 hour.
• The delay start time can be
adjusted from 1 hour to 19
hours.
SPRAY
INTENSITY
• With each press, the
level of water jet is
changed to “Strong”,
“Medium”, and
“Soft”.
HALF LOAD
• In case of small load, use
upper or lower rack only
to save energy.
• With each press, can
select upper or lower rack
only.
• In case you don’t select
this button, the machine
always works vario
washing, which operate
upper and lower spray
arm alternately.
POWER
• For operating, press
this button first for
power on.
• After operating, this
button automatically
switches off for safety
and energy saving.
• In case of irregular
surge disturbances to
the machine, the power
may be automatically
turned off for safety.

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TIME LEFT
• Before starting, the display window shows the running time of
the selected program.
• After starting, the display window shows the remaining time.
• If the dishwasher has a trouble, the trouble type is displayed.
If this error letters are displayed, please refer to the trouble
shooting guide page 35 and follow the guide.
※“ ” : No error message.
DELAY START
• If you want to delay the
start of selected program,
press this button before
pressing program button.
• Pressing the Delay Start
will increase time by 1
hour.
• The delay start time can be
adjusted from 1 hour to 19
hours.
INDICATOR
• Refill with
rinse aid
• Child Lock
: Drainage trouble
: Problem of overfilling water
: Water inlet trouble
: Water leakage trouble
: Heater trouble
POWER
•For operating, press this
button first for power on.
•After operating, this
button automatically
switches off for safety and
energy saving.
•In case of irregular surge
disturbance to the
machine, the power may
be automatically turned off
for safety.
BEEP ON/OFF
•The dishwasher must be
switched on.
•The beep on/off function
can be set by pressing the
Intensive and Pre-wash
button simultaneously for
a few seconds. Then, a
“on”will appear in the
time display.
•The beep on/off function
is automatically canceled
when power failure occur.
CHILD LOCK
•Used to lock or unlock the
control buttons to prevent
all the setting from being
changed by a child.
•This function is
automatically canceled
when power failure occur.
•For locking/ unlocking,
press Intensive and
Normal button for a few
seconds simultaneously.
PROGRAM
•When you want to
select program, press
each button.
RINSE
•Repeated pressing of the
Rinse button will select
Extra Hot, Rinse+.
•If you select the Extra
Hot function, the
operationg temperature
will be up to 80℃.
(Intensive, Normal, Eco)
•When you select Rinse+,
an additional rinse cycle is
added.
TRIPLE
SPRAY
•With each press, the level
of water jet is changed to
Strong, Normal and Soft
in a sequence.
4-2-2. LD-1416T

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TIME LEFT
•Before starting, the display window shows the running time of
the selected program.
•After starting, the display window shows the remaining time.
•If the dishwasher has a trouble, the trouble type is displayed.
If this error letters are displayed, please refer to the trouble
shooting guide page 35 and follow the guide.
※“”: No error message.
DELAY START
•If you want to delay the
start of selected program,
press this button before
pressing program button.
•Pressing the Delay Start
will increase time by 1
hour.
•The delay start time can be
adjusted from 1 hour to 19
hours.
INDICATOR
•Refill with
rinse aid
•Child Lock
: Drainage trouble
: Problem of overfilling water
: Water inlet trouble
: Water leakage trouble
: Heater trouble
POWER
•For operating, press this
button first for power on.
•After operating, this
button automatically
switches off for safety and
energy saving.
•In case of irregular surge
disturbance to the
machine, the power may
be automatically turned off
for safety.
BEEP ON/OFF
•The dishwasher must be
switched on.
•The beep on/off function
can be set by pressing the
Intensive and Pre-wash
button simultaneously for
a few seconds. Then, a
“on”will appear in the
time display.
•The beep on/off function
is automatically canceled
when power failure occur.
CHILD LOCK
•Used to lock or unlock the
control buttons to prevent
all the setting from being
changed by a child.
•This function is
automatically canceled
when power failure occur.
•For locking/ unlocking,
press Intensive and
Normal button for a few
seconds simultaneously.
PROGRAM
•When you want to
select program, press
each button.
RINSE
•Repeated pressing of the
Rinse button will select
Extra Hot, Rinse+.
•If you select the Extra
Hot function, the
operationg temperature
will be up to 80℃.
(Intensive, Normal, Eco)
•When you select Rinse+,
an additional rinse cycle is
added.
4-2-3. LD-1415M