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LG
Air Conditioner
AUUQ54GH1
Svc Manual
Page 63
LG AUUQ54GH1 - Page 63
100 pages
Manual
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Copyright ©2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Part 4 T
rouble Shooting
<CT Sensing Check Point>
< Inv
er
ter PCB>
1
2
3
Vdc
GND
GND
GND
I_CT
I_CT
I_CT
<CT Sensing Check Point>
Black
Red
Vdc
* AUUQ36GH1 / A
TNQ36GMLE3
ABNQ36GGLA0 / A
VNQ36GKLA0
* AUUQ42GH1/ AUUQ48GH1/ AUUQ54GH1
(A
TUQ42GMLE3/ A
TUQ48GMLE3/ A
TUQ54GMLE3)
(A
VUQ42GLLA0/ A
VUQ48GLLA0/ A
VUQ54GLLA0)
(ABUQ42GRLA0/ ABUQ48GRLA0/ ABUQ54GRLA0)
62
64
Table of Contents
Main Page
Air Conditioner Svc Manual(General)
2
Table of Contents
2
Part 1 General Information
3
Safety Precautions
4
Model Line up
7
Nomenclature
9
Part 2 Functions & Controls
10
1 List of Functions & Accessory
11
2 Air Flow
15
Auto Swing (Left & Right)
15
Auto Swing (up & Down)
15
Chaos Swing (Up/Down)
15
Air Flow Step
16
Chaos Wind (Auto Wind)
16
Jet Cool Mode Operation
16
Swirl Wind Swing
16
3 Air Purifying
17
PLASMA Air Purifying System
17
4 Installation Functions
18
External Static Pressure) Setting
18
High Ceiling Operation
23
5 Reliability
24
Hot Start
24
Self-Diagnosis Function
24
6 Convenience Functions & Controls
25
Cooling Operations
25
Auto Cleaning Operation
26
Auto Changeover Operation
26
Child Lock Function
27
Group Control
28
Sleep Timer Operation
29
Timer(On/Off)
29
Weekly Program
30
Two Thermistor Control
32
7 Special Function & KIT
33
Low Ambient Control
33
Space Control
33
Auto Elevation Grille
33
Part 3 Basic Control
36
Normal Operation
37
Compressor Control
37
EEV( Electronic Expansion Valve) Control
37
4. Trouble Shooting
38
Default Chapter
38
Part 4 Trouble Shooting Guide
38
1 Self-Diagnosis Function
39
Error Indicator (Indoor)
39
Error Indicator (Outdoor)
40
2 Pump down
41
3 Evacuation
42
Gas Charging (after Evacuation)
43
Evacuation (All Amount of Refrigerant Leaked)
42
4 Gas Charging
43
5 Cycle Part
44
6 Electronic Parts
45
The Product Doesn T Operate at All
45
The Product Doesn't Operate with the Remote Controller
46
The Compressor/Outdoor Fan Are Don't Operate
47
When Indoor Fan Does Not Operate
48
When the Louver Does Not Operate
49
Troubleshooting Indoor Error
50
Troubleshooting Outdoor Error
56
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