Read LG WD1252RWA Service Manual online
WASHING MACHINE
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLES
CORRECTLY BEFORE OFFERING SERVICE.
CORRECTLY BEFORE OFFERING SERVICE.
MODEL : WD1252R*A
FOR LG TECHNICIAN
2
CONTENTS
1. SPECIFICATIONS ................................................................................................................................ 3
2. FEATURES & TECHNICAL EXPLANATION ...................................................................................... 4
3. PARTS IDENTIFICATION .................................................................................................................... 7
4. INSTALLATION .................................................................................................................................... 8
5. WIRING DIAGRAM / PROGRAM CHART ...........................................................................................11
6. OPERATION ........................................................................................................................................12
7. TROUBLE SHOOTING .......................................................................................................................14
7-1. BEFORE SVC CHECKING ..........................................................................................................14
7-2. QC TEST MODE ..........................................................................................................................14
7-3. HOW TO KNOW THE WATER LEVEL FREQUENCY ...............................................................14
7-4. HOW TO KNOW TO TEMPERATURE OF EACH THERMISTOR AT OPERATING CONDITION ...........14
7-5. ERROR DISPLAY ........................................................................................................................15
7-6. SMART DIAGNOSIS
TM
..............................................................................................................17
8. ERROR DIAGNOSIS AND CHECK LIST ............................................................................................18
8-1. DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION ................................................18
8-2. FAULT DIAGNOSIS AND TROUBLE SHOOTING ......................................................................21
9. DISASSEMBLY INSTRUCTIONS ........................................................................................................31
10. EXPLODED VIEW AND PARTS LIST ...............................................................................................39
10-1. THE EXPLODED VIEW OF CABINET & CONTROL ASSEMBLY ...........................................39
10-2. THE EXPLODED VIEW OF DRUM AND TUB ASSEMBLY ......................................................40
10-3. THE EXPLODED VIEW OF DISPENSER ASSEMBLY..............................................................41
10-4. THE EXPLODED VIEW OF DRYER ..........................................................................................42
FOR LG TECHNICIAN
3
1.SPECIFICATION
ITEM
WD1252R*A
WASHING
SPIN
FAN MOTOR
DRAIN MOTOR
WASH HEATER
DRY HEATER
WASH
SPIN
ELECTRICITY
CONSUMPTION
REVOLUTION
SPEED
POWER SUPPLY
PRODUCT WEIGHT
OPERATION WATER PRESSURE
CONTROL TYPE
WASH CAPACITY
DRY CAPACITY
DIMENSION
220V~, 60Hz
86 kg
200W
300W
13W
30W
2200W
2200W
46rpm
No Spin / 400 / 800 / 1000 / 1200
0.3-10kgf/cm
2
(30-1000kPa)
Electronic
12kg
7kg
640 * 770 * 940
FOR LG TECHNICIAN
4
2. FEATURES & TECHNICAL EXPLANATION
2-1.FEATURES
Direct Drive System
The advanced Brushless DC motor directly drives the drum without
belt and pulley.
belt and pulley.
Water Circulation
Sprays detergent solution and water onto the load over and over.
Clothes are soaked more quickly and thoroughly during wash cycle.
The detergent suds can be removed more easily by the water shower during rinse
cycle. The water circulation system uses both water and detergent more efficiently.
Clothes are soaked more quickly and thoroughly during wash cycle.
The detergent suds can be removed more easily by the water shower during rinse
cycle. The water circulation system uses both water and detergent more efficiently.
Tilted Drum and Extra Large Door Opening
Tilted drum and extra large opening make it possible to load
and unload clothing more easily.
and unload clothing more easily.
Embossing drum & waved lifter
Embossing drum enhances the washing performance and reduces clothes
damage.The waved lifter spray and help clothes to enhance washing performance
during the washing cycle.
damage.The waved lifter spray and help clothes to enhance washing performance
during the washing cycle.
Automatic Wash Load Detection
Automatically detects the load and optimizes the washing time.
Built-in Heater
Child Lock
The Child lock prevents children from pressing any button to change the settings
during operation.
during operation.
FOR LG TECHNICIAN