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GC-P207
LG GC-P207 User Manual
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1) Check load driving status
2) Lever S/W sensing circuit
EXPLA
TION FOR MICOM CIRCUIT
- 39
-
<GC-P/L207: Dot-LED>
Measuring part
Lever S/W
IC1(Micom) No.15 (16)
On(Press)
OFF
5V
0 V
(60 Hz)
5 V
Measuring part
IC6-No.1
1
IC6-No.10
IC7-No.16
IC7-No.15
IC7-No.13
IC7-No.12
IC7-No.14
Status
ON
Within 1 V
OFF
12 V
T
ype of Load
GEARED
MOTOR
SOLENOID
CUBE
W
A
TER V
AL
VE
ICE
W
A
TER
SOLENOID
DISPENSER
HOME BAR
HEA
TER
SOLENOID
PILOT
38
40
Table of Contents
Default Chapter
2
Table of Contents
2
Warnings and Precautions for Safety
3
Specifications
4
Front View
4
Plane View
4
Parts Identification
8
Ref No. : GC-P207(Internal Filter)
8
Ref No. : GC-P207(External Filter)
9
Ref No. : GC-L207(Internal Filter)
10
Ref No. : GC-L207(External Filter)
11
Ref No. : GC-C207
12
Ref No.: GC-B207
13
How to Install the Refrigerator
14
How to Adjust Door Height of the Refrigerator
14
How to Install Water Pipe
15
When Connecting Directly to the Water Tap
15
Before Installation
15
Connection of Pipe Connector a and B.
16
Water Supply
16
When Customer Uses Bottled Water
17
Filter Fixation
17
Filter Cleaning
17
Install Water Filter
18
Before Installing Water Filter
18
After Installing Water Filter
18
Replacement of Water Filter
18
Apply Electricity after Connecting Water Pipe
19
How to Control the Amount of Water Supplied to the Icemaker
19
Control the Amount of Water Supplied to the Icemaker
20
Water Supplying Time Control Option
20
Micom Function
21
Gc-C207, B207
21
Gc-P207, Gc-L207
21
Monitor Panel
21
Buzzer Sound Mute Mode
22
Display Power Saving Mode
22
Display Second Function
22
Exhibition Mode
22
Description of Function
23
Funnction of Temperature Selection
23
Automatic Ice Maker
24
Express Freezing
24
When Ice Maker Does Not Operate Smoothly
24
Control of M/C Room Fan Motor
25
Control of Variable Type of Freezing Room Fan
25
Door Opening Alarm
25
Ringing of Button Selection Buzzer
25
Frost Removal Function
26
Load Operation Sequence
26
Sequential Operation of Built-In Product
26
Function of Trouble Diagnosis(88-LED)
27
Function of Trouble Diagnosis(Bar-LED, Dot-LED)
28
Test Function
29
Functions of Ice Dispenser and Water Dispenser
30
Explanation for Micom Circuit
31
Explanation for Pwb Circuit
31
Power Circuit
31
Oscillation Circuit
33
Reset Circuit
33
Load/Dispenser Operation, Buzzer Driving, Door Opening Circuit
34
Dispenser Operation Circuit
38
Check Load Driving Status
39
Door Opening Sensing Circuit
40
Temperature Sensing Circuit
42
Option Designation Circuit (Model Separation Function)
46
Switch Entry Circuit
46
Stepping Motor Operation Circuit
47
Explation for Micom Circuit
48
Fan Motor Driving Circuit
49
Temperature Compensation and Over-Cool/Weak-Cool Compensation Circuit
52
Temperature Compensation at Freezing Room, Cold Storage Room
52
Display Circuit
55
Key Button Input and Display Lighting Circuit
57
Compensation Circuit for Weak-Cold, Over-Cold at Freezing Room
60
PWB Assembly Main Parts Drawings
61
PWB Parts Drawings and List
61
Parts List
66
PWB Circuit Diagram
76
Ice Maker and Dispenser Working Principles and Repair
86
Dispenser Working Principles
86
Ice Maker Working Principles
86
Function of Ice Maker
87
Ice Making Control Function
87
Initial Control Function
87
Water Supply Control Function
87
Ice Ejection Control Function
88
Timing Chart During Ice Ejection
88
Other Functions Relating to Freezer Compartment Door Opening
89
Ice Maker Troubleshooting
90
Ice Maker Circuits
91
Circuit
93
Trouble Shooting
95
Faulty Start
95
Trouble Diagnosis
95
No Cooling
96
Refrigeration Is Weak
97
Dew and Ice Formation
101
Sounds
102
Faulty Internal Voltage(Short)
103
Faulty Lamp
103
Faults
105
Cooling Cycle Heavy Repair
122
Features of Refrigerant(R600A)
122
Features of the R600A Refrigerator
122
Installation Place
122
Installed with a Scharader Valve by Using the Lokring
123
Practical Work for Heavy Repair
123
Removal of Residual Refrigerant
123
Vacuum Process
123
Cycle Check
124
Leakage Test
124
Recharging
124
Trouble Diagnosis
124
Brazing Reference Drawings
125
How to Deal with Claims
126
Measures for Symptoms on Temperature
128
Odor and Frost
129
Others
130
How to Disassemble and Assemble
131
Door
131
Remove a Freezer Door
131
Handle
132
Shroud, Grille Fan
132
Icemaker Assembly
132
Dispenser
133
Dispenser Related Parts
134
Home Bar
135
Home Bar Related Parts
135
Home Bar Parts Disassembly and Assembly
135
Exploded View
136
Refrigerator Door Part
138
Freezer Compartment
140
Ice & Water Part
142
Machine Compartment
143
Dispenser Part
144
Replacement Parts List
145
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LG GC-P207 Specifications
General
Brand
LG
Model
GC-P207
Category
Refrigerator
Language
English
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