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Troubleshooting Guide

- 100 -

Only for training and service purposes

LGE Internal Use Only

11) Troubleshooting CH40

DC 2.5V

Figure 1.

Figure 2.

C/T

Sensor Error

• Initial current error

•

Malfunction of current detection circuit.

(Open / Short)

•

The voltage of "C01N" Is 4.0Vdc(25A) .

Display

code

Title Cause of error Check point & Normal condition

Check Point

1. Check the input voltage.(200~240V)

2. Check the voltage of C01N at not operating.(0V)

3. Check the voltage of Figure2. red point at not operating.(2.5V)

1 2 ... 91 92 93 94 95 96 97 98 99 100 101 ... 143 144

SVC MANUAL(Exploded View) 1
TABLE OF CONTENTS 2
I. Indoor Units 3
Introduction 4
• Model Number Nomenclature 5
Ceiling Cassette 4-way 6
ONON OFF 8
Child Lock Function 9
Swirl Swing 9
Space Control 9
Weekly Program 10
Auto Restart Operation 10
Two Thermistor Control 10
Group Control 10
Central Control(Accessory) 10
2. List of Functions 11
3. Specifications 12
4. Dimensional Drawings 13
5. Wiring Diagrams 14
6. Piping Diagrams 15
7. Operating Instructions 16
CAUTION: 17
8. Installation 18
Level gauge 19
8.3 Wiring Connection 20
Good example 21
Bad example 21
8.5 Indoor Unit Drain Piping 22
9. Accessories 23
Ceiling suspended 24
1. Features & Benefits 25
Open side cover 34
(3/16"~5/16") 35
8.5 Indoor unit installation 36
8.6 Checking the Drainage 37
8.7 Connecting the Cables 38
Ceiling Concealed Duct 40
Zone Control(Accessory) 42
7. E.S.P. Setting for 48
How to Set E.S.P? 49
Table 7-1 50
Table 7-2 51
8. Operating Instructions 52
■ Optional Function 53
• Wireless Remote Controller 53
9. Installation 54
INDOOR UNIT 57
MAX 700mm 58
Drain Pipe 58
Drain Pump 58
1/50~1/1001/50~1/100 58
10. Accessories 59
II. Outdoor Units 60
Inverter SINGLE A 63
1. Specifications 64
2. Dimensional Drawings 66
AUUW42/48/608C 67
3. Wiring Diagrams 68
4. Piping Diagram 70
5. Electric Characteristics 71
6. Operation Range 72
7. Installation 73
III. Troubleshooting Guide 75
1. Self-diagnosis Function 76
Troubleshooting Guide 77
Trouble analysis 77
Trouble 1 78
Trouble 2 79
Trouble 3 80
Trouble 4 81
Trouble 5 82
4. General Information 83
Troubleshooting CH21 90
Check Point 100
IV. Electronic Control Device 102
Ceiling Cacsette Type 103
Ceiling Duct Type 104
ASM: 6871A10025 105
ASM: 6871A10186 105
Outdoor Unit 106
2) Solder side 107
Schematic Diagram 108
Ceiling Cassette Type 109
Ceiling Suspended 111
Functional Description 113
■ Heating Mode Operation 115
■ Hot-start Control 115
■ Hot-Start Control 118
Ceiling & Floor 119
Outdoor Units 122
1.3 EEV Control 124
1.4 Fan control 125
2. Special control 127
2.2 Low ambient control 128
2.3 Oil return control 128
2.4 Sump heating control 129
3. Protection control 130
3.2.1 Function 132
3.2.2 Operating process 132
3.3.1 Function 133
Exploded View 134
LGE Internal Use Only 136
ABNH-HL, ABNH-GL 137
Ceiling Concealed Duct Type 137
PT-HDA1/C1 143
P/NO : MFL30301501 144
JANUARY, 2008 144

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Elba R410A Guía para resolver problemas Pagina 96

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