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LMX25964 Series
LG LMX25964 Series Service Manual
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B5.
LED
blinks
seven
times,
then
repeats
(IPM
Fault:
A
&
E
Inverters)
Protection
Logic
Blink
Blink
Blink
Blink
Blink
Blink
Blink
OFF
-
Purpose:
Prevent
high
current
due
to
IPM
Short
-
Cause:
Damaged
IPM
(Dead
Short)
-
Test
for
a
dead
short
at
Point
A
with
a
VOM.
-
Logic:
Compressor
is
forced
off
and
tries
to
restart
in
20
minutes.
I
Protection
_[
logic
Check
B
-
56
-
55
57
Table of Contents
Default Chapter
2
Table of Contents
2
Safety Precautions
2
1 Specifications
3
Dimensions
3
2 Parts Identification
4
3 Disassembly
5
Removing and Replacing Refrigerator Doors
5
Door
6
Door Gasket Removal
6
Door Gasket Replacement
6
Door Alignment
7
Fan and Fan Motor
7
Lamp
8
Refrigerator Compartment Lamp
8
Defrost Control Assembly
8
Ice Fan Scroll Assembly Replacement
8
Multi Duct
9
Main Pwb
9
Dispenser
9
Display Pwb Replacement
9
Funnel Replacement
10
Sub Pwb for Working Dispenser
10
Duct Door Replacement
10
Ice Corner Door Replacement
10
Auger Motor Cover
11
How to Remove a Door Ice bin
12
How to Insert a Door Ice bin
12
How to Remove and Reinstall the Pullout Drawer
13
Water Valve Disassembly Method
16
Fan and Fan Motor Disassembly Method
16
Top Drawer
17
Bottom Drawer
17
4 Adjustment
18
Compressor
18
To Remove the Cover Ptc
18
Circuit Diagram
19
6 Troubleshooting
20
Main PCB
21
PCB Picture
21
Display PCB & Sub PCB
22
Freezer Sensor Error (er FS)
23
Troubleshooting with Error Display
23
Refrigerator Sensor Error (er Rs)
24
Icing Sensor Error (er IS)
25
Defrost Sensor Error
26
Defrost Heater Error (er Dh)
27
Freezer Fan Error (er FF)
28
Icing Fan Error (er IF)
29
Condenser Fan Error (er CF)
30
Communication Error (er CO)
31
Cube Mode Doesn't Work
32
Water Mode Doesn't Work
33
Freezer Room AC Bulb Lamp Doesn't Work
34
Refrigerator Room Lamp Doesn't Work
35
Poor Cooling in Fresh Food Section
36
Poor Cooling in Freezer Compratment
38
Over Cooling in Fresh Food Compartment
39
TEST MODE and Removing TPA
40
How to Check the Fan-Error
43
Component Testing Information
44
Defrost Controller Assembly
44
Sheath Heater
45
Door Heater Assembly
46
Door Switch
47
Solenoid
48
AC Motor ASSEMBLY (Geared Motor & Solenoid)
49
Damper
50
Light Bulb Socket
51
Led Troubleshooting
52
PCB Check (Simplify)
52
Compressor Troubleshooting
59
Service Diagnosis Chart
61
Refrigeration Cycle
62
Sealed System Diagnosis
63
7 Operation Principle & Repair Method of Icemaker
64
Ice Maker Functions
65
Icemaking Mode
65
Harvest Mode
65
Fill/Park Position
65
Function TEST
66
Defect Diagnosis Function
66
Description of Function & Circuit of Micom
67
How to Toggle the Display between
67
Lock Function
67
Filter Condition Display Function
67
ICE PLUS Selection
68
Dispenser Use Selection
68
Control of Freezer Fan Motor
68
Cooling Fan Motor
68
Ice Plus
69
Alarm for Open Door
69
How to Set the Display Mode and Cancel It
69
Defrosting (Removing Frost)
70
Exploded View & Replacement Parts List
71
Case Parts
71
Freezer Parts
72
Refrigerator Parts
73
Door Parts
74
Dispenser Parts
75
Ice & Maker Parts
76
Ice Bank Parts
77
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LG LMX25964 Series Specifications
General
Brand
LG
Model
LMX25964 Series
Category
Refrigerator
Language
English
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