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SXS
LG SXS Service Manual
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CAUTION
PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS BOOK
BEFORE CHECKING OR OPERATING THE REFRIGERATOR.
REFRIGERATOR
SERVICE MANUAL
Ref No :
GW-L227
Ref No :
GW-C227
Ref No :
GW-B227
Ref No :
GW-P227
http://biz.lgservice.com
2
Table of Contents
Default Chapter
2
Table of Contents
2
Warnings and Precautions for Safety
3
Specifications
4
Parts Identification
5
How to Install the Refrigerator
8
How to Adjust Door Height of the Refrigerator
8
How to Install Water Pipe
9
When Connecting Directly to the Water Tap
9
Connection of Pipe Connector a and B
10
Water Supply
10
When Customer Uses Bottled Water
11
Outternal Filter
11
Filter Cleaning
11
Before Installing Water Filter
12
Installing Water Filter
12
After Installing Water Filter
12
How to Control the Amount of Water Supplied to the Icemaker
13
Control the Amount of Water Supplied to the Icemaker
14
Water Supplying Time Control Option
14
Micom Function
15
Monitor Panel
15
Display Second Function
16
Buzzer Sound Mute Mode
16
Display Power Saving Mode
16
Exhibition Mode
16
Description of Function
17
Funnction of Temperature Selection
17
Automatic Ice Maker
18
When Ice Maker Does Not Operate Smoothly
18
Express Freezing
18
Control of Variable Type of Freezing Room Fan
19
Control of M/C Room Fan Motor
19
Door Opening Alarm
19
Ringing of Button Selection Buzzer
19
Frost Removal Function
20
Sequential Operation of Built-In Product
20
Function of Trouble Diagnosis(88-LED)
21
Function of Trouble Diagnosis(Bar-LED)
22
Test Function
23
Function of Trouble Diagnosis(88LED)
23
Function of Trouble Diagnosis(BAR LED)
24
Functions of Ice Dispenser and Water Dispenser
25
Explation for Micom Circuit
26
Explanation for PWB Circuit
26
Power Circuit
26
Oscillation Circuit
28
Reset Circuit
28
Load/Dispenser Operation, Buzzer Driving, Door Opening Circuit
29
Load Driving Circuit
29
Door Opening Sensing Circuit
35
Temperature Sensing Circuit
37
Switch Entry Circuit
41
Option Designation Circuit (Model Separation Function)
41
Stepping Motor Operation Circuit
42
Fan Motor Driving Circuit
44
Temperature Compensation and Over-Cool/Weak-Cool Compensation Circuit
47
Display Circuit
50
Key Button Input and Display Lighting Circuit
52
Compensation Circuit for Weak-Cold, Over-Cold at Freezing Room
54
PWB Parts Drawings and List
55
PWB Assembly Main Parts Drawings
55
Parts List
59
Ice Maker and Dispenser Working Principles and Repair
67
Working Principles
67
Function of Ice Maker
67
Function of Ice Maker
68
Initial Control Function
68
Water Supply Control Function
68
Ice Making Control Function
68
Ice Ejection Control Function
69
Other Functions Relating to Freezer Compartment Door Opening
70
Ice Maker Troubleshooting
71
Circuit Diagram
73
Trouble Shooting
75
Faulty Start
75
Trouble Diagnosis
75
No Cooling
76
Refrigeration Is Weak
77
Dew and Ice Formation
81
Sounds
82
Faulty Lamp
83
Structure, Appearance and Others.
84
Faults
85
Cooling Cycle Heavy Repair
102
The Heavy Repair Standards for Refrigerator with R134A Refrigerant
102
Summary of Heavy Repair
103
Precautions During Heavy Repair
104
Practical Work for Heavy Repair
105
Vacuum Degassing
106
Brazing Reference Drawings
108
How to Deal with Claims
109
Sound
109
Measures for Symptoms on Temperature
111
Odor and Frost
112
How to Disassemble and Assemble
114
Door
114
Handle
115
Shroud, Grille Fan
115
Icemaker Assembly
115
Aluminum Short Handle Model
115
Water Valve Disassembly Method
116
Fan and Fan Motor Disassembly Method
116
Dispenser
117
Dispenser Related Parts
118
Home Bar
119
Home Bar Related Parts
119
Display Cover Assembly
119
Home Bar Parts Disassembly and Assembly
119
Exploded View
120
Other manuals for LG SXS
Owner's Manual
40 pages
User Guide
38 pages
Specifications
2 pages
5
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LG SXS Specifications
General
Type
Side-by-Side
Ice Maker
Yes
Water Dispenser
Yes
Energy Star Certified
Yes
Width
35.75 inches
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