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Refrigerator
GC-P227
LG GC-P227 User Manual
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1-5. Dispenser operation circuit
(1)
GR-P227/L227/P257/L257
1) Check load driving status
2) Lever Switch sensing circuit
EXPLA
TION FOR MICOM CIRCUIT
- 29
-
Measuring part
Lever S/W
IC1(Micom) (No. 16)
On
OFF
5V
0 V
(60 Hz)
5 V
Measuring part
IC7-15
IC7-14
IC7-13
IC7-12
IC7-1
1
Status
ON
Within 1 V
OFF
12 V
T
ype of Load
GEARED
MOTOR
SOLENOID
CUBE
PILOT
VA
LV
E
W
A
TER V
AL
VE
W
A
TER
SOLENOID
DISPENSER
30
32
Table of Contents
Default Chapter
2
Table of Contents
2
Warnings and Precautions for Safety
3
Front View
4
Plane View
4
Specifications
4
Warnings and Precautions for Safety
5
Specifications
6
Parts Identification
8
How to Install the Refrigerator
12
How to Adjust Door Height of the Refrigerator
12
How to Install Water Pipe
13
When Connecting Directly to the Water Tap
13
Connection of Pipe Connector a and B
14
Water Supply
14
When Customer Uses Bottled Water
15
Filter Fixation
15
Filter Cleaning
15
Install Water Filter
16
Before Installing Water Filter
16
How to Control the Amount of Water Supplied to the Icemaker
17
Micom Function
18
Monitor Panel
18
Display Second Function
18
Door Alarm Buzzer Mute Mode
18
Description of Function
19
Exhibition Mode
19
Funnction of Temperature Selection
19
LCD Back Light Control
20
Outside Temperature Display Function
20
Lock Function (Display Button Lock)
20
Filter Condition Display Function
20
Dispenser Use Selection
21
Automatic Ice Maker
21
When Ice Maker Does Not Operate Smoothly
21
Express Freezer
21
Super Freezing
22
Miracle Zone Function
22
Control of Variable Type of Freezing Room Fan
22
Control of M/C Room Fan Motor
23
Door Opening Alarm
23
Ringing of Button Selection Buzzer
23
Ringing of Compulsory Operation, Compulsory Frost Removal Buzzer
23
Sequential Operation of Built-In Product
24
Load Operation Sequence
24
Failure Diagnosis Function
25
Test Function
26
Function of Dispenser and Water Dispenser Built-In
27
Explation for Micom Circuit
28
Explanation for PWB Circuit
28
Power Circuit
28
Oscillation Circuit
29
Reset Circuit
29
Load/Dispenser Operation, Door Opening Circuit
30
Load Driving Circuit
30
Dispenser Operation Circuit
31
Check Load Driving Status
31
Lever Switch Sensing Circuit
31
Door Opening Sensing Circuit
32
Temperature Sensing Circuit
33
Switch Entry Circuit
34
Option Designation Circuit (Model Separation Function)
34
Stepping Motor Operation Circuit
35
Fan Motor Driving Circuit (Freezer, Mechanical Area)
36
Temperature Compensation and Temperature Compensation Circuit
37
Temperature Compensation Table
38
Compensation Circuit for Temperature at Freezer
39
Sensor Resistance Characteristics Table
41
Miracle Zone STEPPING MOTOR / Display
42
Operation Principle
43
Ice Maker and Dispenser Operation Principle and Repair Method
43
Icemaker Functions
44
Start Position
44
Icemaking Mode
44
Harvest Mode
44
Function TEST
45
Defect Diagnosis Function
45
Error Codes
45
Circuit
46
Trouble Diagnosis
47
Trouble Shooting
47
Faulty Start
47
No Cooling
48
Faults
57
Cooling Cycle Heavy Repair
74
The Heavy Repair Standards for Refrigerator with R134A Refrigerant
74
Summary of Heavy Repair
75
Precautions During Heavy Repair
76
Practical Work for Heavy Repair
77
Standard Regulations for Heavy Repair
79
Brazing Reference Drawings
80
Asia / Middle-East Africa
80
Europe & CIS / America
80
How to Deal with Claims
81
Sound
81
Measures for Symptoms on Temperature
83
Odor and Frost
84
How to Disassemble and Assemble
86
Door
86
Handle
87
Shroud, Grille Fan
87
Water Valve Disassembly Method
88
Fan and Fan Motor Disassembly Method
88
Dispenser
89
Exploded View
91
Freezer Compartment
94
Refrigerator Compartment
95
Machine Compartment
96
4
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LG GC-P227 Specifications
General
Brand
LG
Model
GC-P227
Category
Refrigerator
Language
English
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