LG LD-1415M1 User manual

DISHWASHER
SERVICE MANUAL
BEFORE SERVICING THE UNIT, PLEASE READ THIS MANUAL CAREFULLY
FOR SAFETY AND CORRECT SERVICES.
NOTE
MODEL : LD-1415M1 / LD-1415T1 / LD-1415W1
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지2 001 GateRip_A3

- 3 -
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지3 001 GateRip_A3

- 3 -
1. CAUTION......................................................................................................................... 4
2. SPECIFICATIONS ........................................................................................................... 5
3. PARTS NAME.................................................................................................................. 6
4. FEATURES & TECHNICAL EXPLANATION ................................................................... 7
5. WIRING DIAGRAM...................................................................................................... 14
6. PROGRAM CHART (SCHEMATIC DIAGRAM)............................................................ 15
7. HOW TO DISASSEMBLE ............................................................................................ 19
8. TROUBLE SHOOTING METHODS.............................................................................. 29
A. TROUBLE SHOOTING ACCORDING TO DISPLAYED ERROR MESSAGE.......... 29
B. TROUBLE DIAGNOSES AND REPAIR BY SYMPTOM........................................... 31
9. INSTALLATION INSTRUCTION ................................................................................... 35
10. EXPLODED VIEW .......................................................................................................39
11. REPLACEMENT PART LIST ........................................................................................46
CONTENTS
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지3 001 GateRip_A3

- 4 -
�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 !
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지4 001 GateRip_A3

- 5 -
2. SPECIFICATION
Rated Voltage / Frequency AC 240V/50Hz
Installation Free Standing
Place Settings 14
Product Dimension(mm) 600(W)×600(D)×850(H)
Product Weight(Kg) 52
Door Color Stainless Steel
Tub Material Stainless Steel
Control Electronic
Rated Power(Watt) 2,210
Heater Power(Watt) 2,100
Programs 5
Upper Rack Adjustable, Nylon Coating
Lower Rack 50% Fold down, Removal Rack, Nylon Coating
Water Consumption(ℓ) 14.8 (Eco 50)
Power Consumption (kWh/year) 281 (Eco 50)
Operating Time (min) 114 (Eco 50)
Fan Dry System Yes
Delay Start Function Yes
Auto-Off Power Switch Yes
Process Monitor Yes
Wash Level 5
Operating Water Pressure (Bar) 0.5 ~ 8
ITEM SPECIFICATION
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지5 001 GateRip_A3

- 6 -
3. PARTS NAME
1. Control Panel
2. Door Handle
3. Front Cover
4. Lower Cover
5. Process Monitor
6. Power Switch
7. Drain Hose
8. Inlet Hose
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.
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지6 001 GateRip_A3

- 7 -
4. FEATURES & TECHNICAL EXPLANATION
4-1 New Technology Introduction
• During the high temp. Rinse course, water
temperature in an dishwasher reaches 80°C,
considerably higher than the average rinse
temperature in conventional
dishwashers(65°C). This is how Rinse 80°C
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
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지7 001 GateRip_A3

4-2 Display Panel
- 8 -
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.
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지8 001 GateRip_A3

- 9 -
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 20 and follow the guide.
※“ ” : No error message (See page 17)
DELAY START
• If you want to delay the
start of selected program,
press this button before
pressing program button.
• Pressing this button will
increase time by 1 hour.
• The delay start time can be
adjusted from 1 hour to 19
hours.
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
Eco 70° button for a few
seconds simultaneously.
PROGRAM
• When you want to
select program, press
each button.
INDICATOR
• Refill with
rinse aid
• Child Lock
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지9 001 GateRip_A3

- 10 -
4.3 TEST MODE
CHECK PROGRAM(START IN THE STATE OF THE CLOSED DOOR)
※ CHECK MODE
BUTTON
BUTTON OPERATION
Intensive +Pre-wash
Eco 50 +Pre-wash
Quick +Pre-wash
Delay start Key +Pre-wash
Buzz On/O
Display Inner Temperature
Display Water Supply Frequency
Display Soil Index
The number of
pushing button DISPLAY Load and hecking points
Micro S/W must be ON to operate HEATER
Quick + Pre-wash
+ POWER S/W
(Hal Load) KEY
Intensive KEY
Eco 70 KEY
Eco 50 KEY
Quick KEY
Pre-wash KEY
Delay start KEY
1 TIME
1 TIME
1 TIME
1 TIME
1 TIME
1 TIME
1 TIME
1 TIME
2 TIME
3 TIME
4 TIME
5 TIME
6 TIME
7 TIME
8 TIME
9 TIME
10 TIME
11 TIME
n : 0H
2 : 22
3 : 33
4 : 44
5 : 55
6 : 66
7 : 77
8 : 88
n : 02
n : 04
Frequency
n : 05
n : 06
Temperature
n : 08
n : 09
n : 0A
n : 0b
All LEDs are lighting
All LEDs are lighting
All LEDs are lighting
All LEDs are lighting
All LEDs are lighting
All LEDs are lighting
All LEDs are lighting
All LEDs are lighting
Washing Motor
Drain Pump
Inlet Valve
Dispenser
Heater( or 10 sec.)
Fan Motor
None
Lower Nozzle
Upper Nozzle
Operate C1 mode( or 1 min.) →Drain( or 42 Sec.)
→Supply water →Push Delay start KEY (Auto O )
Extra Hot, Rinse+
Intensive
Eco 70
Eco 50
Quick
Pre-wash
Lower, Child-Lock
Wash, Rinse, Dry
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지10 001 GateRip_A3

- 11 -
5. WIRING DIAGRAM
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지11 001 GateRip_A3

- 12 -
6. PROGRAM CHART(SCHEMATIC DIAGRAM)
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지12 001 GateRip_A3

- 13 -
BEFORE DISASSEMBLING THE DISHWASHER ;
1) Remove the plug from electric outlet to avoid electric shock.
2) Close the Water Tap(faucet).
3) Remove all dishes and items in the dishwasher.
4) Remove the Lower Rack and the Upper Rack.
5) In case of the water softner assembly model, open the water softner cap to flow out the
water to sump and drain to avoid the floor wet.
6) If necessary, remove the inlet hose and drain hose to avoid the hose damages.
7) Prepare some towels to avoid floor wet by the water left in the dishwasher.
7. HOW TO DISASSEMBLE
7-1. FULL DISASSEMBLE
1. Top Table
1) Remove the rear 2 screws.
2) Pull and lift the top table.
2. Low Cover
3. Cabinet-R/L
1) Cabinet-R
①Remove front 4 screws.
②Remove rear 3 screws.
2) Cabinet-L
①Remove front 4 screws.
②Remove rear 3 screws.
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지13 001 GateRip_A3

- 14 -
4. Balance weight
1) Remove side 4 screws.
2) Lift the balance weight.
Option Display Part Main Display Part
Controller
LatchAssembly
5. Door Assembly
1) Front Cover
①Open the door.
②Remove 6 screws(stainless).
③Close the door slowly and remove front
cover downwards.
2) Control Panel Assembly
①Open the door.
②Remove 8 screws(stainless).
③Remove wire connection.
Be sure the wiring should not be
changed in reassembling.
④Remove 5 screws for Controller.
⑤Remove 3 screws for LED Supporter.
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지14 001 GateRip_A3

- 15 -
3) Fan
①Open the door.
②Remove the air duct.
③Remove the wire connections.
④Remove the outer cover by removing 1
screw.
⑤Remove 2 fixing screws inside and turn
the Inner Cover counterclockwise.
4) Detergent Dispenser
①Close the door.
②Remove the wire connections.
③Remove 6 screws with brackets.
Detergent
Dispenser
Door Liner
Door Bracket
Inner
Cover
Air Duct
Out
Cover
Fan
Door Liner Assembly
Hinge supporter
②
①
5) Door Spring (Right & Left)
①Push the Spring upwards and take it off
from the Frame.
Be careful not to be injured by the sharp
edge of Tub.
②Take the Hinge Link off from the Hinge.
6) Door Liner
①Open the door.
②Pull the Door Liner and take it off from
the Hinge Supporter.
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지15 001 GateRip_A3

- 16 -
6. Base spacer
①Remove 4 screws.
②Lift the front side of dishwasher and pull
the base spacer forward.
7. Tub assembly
1) Nozzle
①Pull up the nozzle.
3) Nozzle Holder
①Disconnect the water guide
②Remove 4screws and lift it up
Main filter
Inner filter
Middle filter
Micro filter
2) Filter Assembly
①Turn inner filter counterclockwise and lift
inner filter and middle filter.
You can disassemble inner filter and
middle filter by pulling opposite direction.
②Lift up main filter.
③Lift up micro filter.
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지16 001 GateRip_A3

- 17 -
4) Tub
①Turn the air guide nut counter-clockwise.
(Special tool might be needed.)
Be careful the rubber packing of air
guide assembly should not be lost.
②Remove 4 screws for sump holder .
③Remove side 8 screws.
④Remove 2 Earth screw of right side.
⑤Lift tub assembly upward.
Be careful not to be injured or scratch
floor by the sharp edge of tub.
8. Air Guide Assembly
①Disconnect the wiring connection.
②Remove 3 hoses assembly.
Be careful the o-ring should not be lost.
9. C-Base Assembly
1) Remove the screw which tighten washing
motor and base.
2) Lift them upward.
Be careful not to wet the floor by the
water left in the sump.
3) Pull out the float switch with pressing
downward softly.(not on all models)
4) Detach the washing motor and heater
assembly by pulling opposite direction
to sump.
5) Remove the 3 screw for drain motor.
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지17 001 GateRip_A3

- 18 -
10. C-Base Assembly
1) synchronous motor
①Remove the 2 screws.
②Lift the cam upward.
※Be careful not to install upside down.
(part number on the cam should face the
motor.)
2) Vario valve
①Remove 4 screws and lift the cover
upward.
②Lift the vario valve upward.
3) Capacitor
①Remove 1 screw.
4) Power cord assembly
①Turn the power cord assembly 90ºand
take it off.
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지18 001 GateRip_A3

- 19 -
5) Aquastop(Not on all models)
①Press the holder hook as shown in
figure.
②Pull the hose assembly.
6) Drain Hose
①Press the rear side hook.
②Pull the holder forward.
③Pull the holder upward.
③
①
①
②
②
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지19 001 GateRip_A3

- 20 -
1. Top Plate
�See 7-1. 1. (Page 17)
2. Low Cover
�See 7-1. 2. (Page 17)
3. Cabinet-R/L
�See 7-1. 3. (Page 17)
4. Air Guide
①Disconnect 3 hoses assembly.
※You need not to unscrew the air guide
nut.
5. Put the Dishwasher upside down.
7-2. DISASSEMBLE C-BASE ASSEMBLY
Be careful not to be injured by the sharp edge of tub.
3828DD3007H(S/M) 2008.2.18 4:25 PM 페이지20 001 GateRip_A3