Sign In
Upload
Download
Table of Contents
Contents
Add to my manuals
Delete from my manuals
Share
URL of this page:
HTML Link:
Bookmark this page
Add
Manual will be automatically added to "My Manuals"
Print this page
×
Bookmark added
×
Added to my manuals
Manuals
Brands
LG Manuals
Refrigerator
LRDN22720BQ
Service manual
LG LRDN22720BQ Service Manual
Hide thumbs
Also See for LRDN22720BQ
:
Service manual
(63 pages)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
Table Of Contents
68
page
of
68
Go
/
68
Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Contents
Safety Precautions
Specifications
Parts Identification
Disassembly
Door Switch
Refrigerator Door
Freezer Door
Fan and Fan Motor
Defrost Control Assembly
Lamp
Control Box-Refrigerator
Adjustment
Compressor
PTC-Starter
PTC-Applied Circuit Diagram
Olp
To Remove the Cover PTC
Role of the OLP
Circuit Diagram
Troubleshooting
Compressor and Electric Components
PTC and OLP
Other Electrical Components
Not Cooling at All
Poor Cooling Performance
Service Diagnosis Chart
Refrigeration Cycle
Troubleshooting Chart
Leakage Detection
General Control of Refrigerating Cycle
Operation Principle
Control Method According to Functions
Start Position
Ice Making Mode
Harvest Mode
Fill / Park Position
Water Supply Amount TABLE
Function Test
Defect Diagnosis Function
Error Codes
Water Filter
Water Filter Cartridge Replacement
How to Change the Old Cartridge
Water Dispenser
Description of Function & Circuit of Micom
How to Change the Temperature Mode to F/C
Dispenser Lock
Control of Freezer Fan Motor
Express Freezing
Refrigerator Lamp Auto off
Alarm for Open Door
Buzzer Sound
Defrosting
Filter Replacement Indication
Power Failure Compensation Function
Detect Diagnosis Function
TEST Mode
LED Check Mode
Freezer Fan RPM Variable Check
Demonstration Mode
PCB Function
Power Circuit
Oscillation Circuit
Reset Circuit
Load Drive Condition Check
Fan Motor Driving Circuit
Buzzer Drive Condition Check
Open Door Detection Circuit Check
Temperature Sensor Circuit
Refrigeration Compartment Stepping Motor Damper Circuit
Dispenser Input/Led Output Circuit
Refrigerator Temperature Compensation
Key Button Input & Display Light-On Circuit
Resistance Specification of Sensor
Main PWB Assembly
Replacement Parts List
PWB Assembly, Display and Parts List
PWB Diagram
PWB Main Assembly
Exploded View
Case Parts
Freezer Parts
Refrigerator Parts
Door Parts
Ice Maker Parts
Ice & Water Parts
Advertisement
Quick Links
Download this manual
Table of
Contents
Previous
Page
Next
Page
1
2
3
4
5
Advertisement
Table of Contents
Troubleshooting
Troubleshooting
10
Refrigeration cycle
14
Need help?
Do you have a question about the LRDN22720BQ and is the answer not in the manual?
Ask a question
Questions and answers
Related Manuals for LG LRDN22720BQ
Refrigerator LG LRDC20731ST Service Manual
(63 pages)
Refrigerator LG LRDC22743SW User Manual
Bottom freezer refrigerator (38 pages)
Refrigerator LG LRDC2274 Series User Manual
Bottom freezer refrigerator (38 pages)
Refrigerator LG LRDC22731ST User Manual
Bottom freezer refrigerator (38 pages)
Refrigerator LG LRDC22731SW User Manual
Bottom freezer refrigerator (38 pages)
Refrigerator LG LRBC22544SB Owner's Manual
(36 pages)
Refrigerator LG LRBC22544SB Manual De Usuario
Owner's manual (34 pages)
Refrigerator LG LRDN20724 Specifications
20 cu.ft. total capacity drawer door bottom freezer (2 pages)
Refrigerator LG LRBC22522 User Manual
Lg lrbc22522: user guide (40 pages)
Refrigerator LG LRDN22734 Specifications
22 cu.ft. total capacity tilt-a-drawer door bottom freezer (2 pages)
Refrigerator LG LRBN2051 Series Service Manual
(50 pages)
Refrigerator LG LRDC20731TT User Manual
(38 pages)
Refrigerator LG LRBNC1104S.ASTCNA0 Owner's Manual
(36 pages)
Refrigerator LG LRBNC1104 Series Owner's Manual
Bottom freezer refrigerator (116 pages)
Refrigerator LG LRDNC1004 Series Owner's Manual
Bottom freezer refrigerator (39 pages)
Refrigerator LG LDNS22220 Series Owner's Manual
Bottom freezer refrigerator (56 pages)
Related Products for LG LRDN22720BQ
LG LRDN22712ST
LG LRDN22712SW
LG LRDN22734SB
LG LRDN22734ST
LG LRDN22734TT
LG LRDN22734WW
LG LRDN22734
LG LRDN2272 Series
LG LRDN2271 Series
LG LRDN2273 Series
LG LRDN22720ST
LG LRDN22711TT
LG LRDN22711 Series
LG LRDN22720 Series
LG LRDN22725 Series
LG LRDN22712 Series
This manual is also suitable for:
Lrdn22725st
Lrdn211tt
Lrdn22725tt
Lrdn22711sw
Lrdn22720ww
Lrdn22725sw
...
Show all
Lrdc22743sw
Lrdc22743st
Lrdc22743tt
Lrdc22731ww
Lrdc22731st
Lrdc22731tt
Lrdc22731sw
Lrdn22720bk
Table of Contents
Print
Rename the bookmark
Delete bookmark?
Delete from my manuals?
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL
Need help?
Do you have a question about the LRDN22720BQ and is the answer not in the manual?
Questions and answers