LG GR-K18PBS Kimchi Refrigerator Manuals

Manuals and User Guides for LG GR-K18PBS Kimchi Refrigerator. We have 1 LG GR-K18PBS Kimchi Refrigerator manual available for free PDF download: Service Manual

LG GR-K18PBS Service Manual

LG GR-K18PBS Service Manual (58 pages)

Kimchi Refrigerator

Brand: LG | Category: Refrigerator | Size: 12 MB

Table of Contents

Safety Regulations
2
Contents
2
Safety Warnings and Cautions
3
Product Specification
6
Product Installation Method
7
Method to Adjust Height of Refrigerator
7
Grounding Method
7
Circuit Diagram
8
MICOM Function and Circuit Description
9
Display Part
9
When Selecting Power On/Off Function
11
Rhythm Fermenting Control Pattern Diagram
11
Temperature Control Method
12
Buzzer Sound
12
Power Failure Compensation Function
12
Operation in Response to Ambient Temperature
13
Error Diagnosis Function
14
Test Function
15
Circuit Description
16
Power Circuit
16
Oscillation Circuit
16
Reset Circuit
16
Load Driving Circuit
17
Buzzer Driving Circuit
17
Switch Input Circuit
18
Temperature Sensor Circuit
18
Stepping Motor Operation Circuit
19
Power Failure Compensation Circuit
19
Storing Temperature Compensation
20
Over-Cool/Under-Cool Cut Compensation
21
Communication Circuit between Main PCB and Display PCB
22
Button Input and Display Part Illumination Circuit
23
Sensor Resistance Characteristics Table
24
PCB Parts Diagram and Parts List
25
PWB Assembly and Main Parts List
26
PBW Assembly and Display Parts Diagram and Parts List
27
PCB Circuit Diagram
28
Freezing Cycle and Refirgerant
31
Freezing Principle
31
Refrigerant Gas Circulation Diagram
31
Operation Description of each Circulation Circuit
32
Refrigerant
32
General Details about the Product
33
Refrigerator Noise
33
SVC Method for Noise Claim
33
Basic Method of Noise Reduction
33
Details on Power Consumption
34
Major Repair Method for Freezing Cycle
35
Introduction to Major Repair Work
36
Caution During Major Repair
37
Actual Major Repair Work
38
Connecting the Pipe
39
Vacuuming Order
39
Working Order
39
Basic Principle for Major Repair
40
Welding Reference Diagram
41
Caution for Major Repair Service
43
Cycle Clogged and Leaking
43
3-Way Valve Service
43
Characters of each Part
44
Cycle Part Function and Operating Principle
44
Overload Protection Relay Structure and Function
45
Starter Function and Operating Principle
45
Refrigerant Valve
46
Motor Cooling
48
Heater
50
Heater Type and Role
50
Poor Product
50
Capacitor Operating Principle and Temperature Characteristics
51
PWB Assembly
52
Frame Assembly
52
Assembly Diagram and Service Parts List
53

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