Name: LG Multi V5
Brand: LG
Rating: 5 (1 reviews)

Table of Contents3

Safety Precautions4

Wiring Diagrams9

Refrigerant Flow Diagrams17

Outdoor Unit Functions43

PCB Settings96

Troubleshooting Main Components111

Main Component Errors112
Self Diagnostics Check113
Run Self Diagnostics Check113
Checking the Compressor114
Checking the Outdoor Unit Fan Motor115
Checking the Electronic Expansion Valves116
- Checking the Electronic Expansion Valves118
- Checking the Phase Diode Bridge119
- Checking the Inverter Compressor Phase Diode Bridge119
- Checking the Inverter Insulated-Gate Bipolar Transistor120
- Checking Intelligent Power Module (IPM)120
- Checking the Fan Intelligent Power Module (IPM)121
- Sensors and Outdoor Fan122
Checking the High / Low Pressure Sensors122
Checking the Outdoor Fan122
Checking the Valves123
- Oil Return Solenoid Valve123
- Partial Defrost Solenoid Valve123
- Supercooled Bypass Valve123
- Checking the Four-Way Reverse Valve124
- Checking the Temperature Sensors124
Error Code General Information125
Error Code Tables126
- Error Code Display126
- Nomenclature Definitions126
- Error Nos. 01, 02, 06, and 17136
- Error No. 03137
Error Codes137
- Error No. 04138
- Error No. 05140
- Error No. 09141
- Error No. 10142
- Dismantling/Servicing the Control Box and Inverter PCB143
- Error No. 21144
- Error No. 22146
- Error No. 23148
- Error No. 24149
- Error No. 25150
- Error No. 26151
- Error No. 29153
- Error Nos. 32 and 33155
- Error No. 34156
- Error No. 35157
- Error No. 36158
- Error No. 40159
- Error Nos. 41 and 47160
- Error Nos. 42 and 43161
- Error Nos. 44, 45, 46, 49, 153, and 154162
- Error No. 50163
- Error No. 51(1)164
- Error No. 51(2) (for Heat Recovery Systems Only)165
- Error No. 52166
- Error No. 53168
- Error No. 57170
- Error No. 60171
- Error No. 62172
- Error No. 65173
- Error No. 67174
- Error No. 75176
- Error No. 77177
- Error No. 79178
- Error No. 86180
- Error No. 87181
- Error No. 104182
- Error No. 105185
- Error No. 106187
- Error No. 107189
- Error Nos. 113, 114, and 115190
- Error No. 145191
- Error No. 150192
- Error No. 151193
- Error No. 182196
- Error No. 187197
- Error No. 193198
- Error No. 194199
- Error No. 2001201
- Error Nos. 201C, 202C, 203C202
- Error No. 204 C203
- Error No. 205 C204
- Error No. 206 C205
- Error No. 237206
- Error No. 238207
- Error No. 242208
Replacing the Inverter PCB Heat Sink209
Checking Input Voltage in Case of Power on210
Checking Main PCB DC Voltage in Case of Power on211
Checking Converter DC Link Voltage in Case of Compressor Operating212
Case of Power on213
Checking Inverter PCB in Case of Power off214
Power System Wiring Diagram215
PCB Locations216
- Outdoor Unit Parts217
- Main PCB217
Pcbs217
- External PCB218
- Inverter PCB for 208-230V Outdoor Units (17Kw)219
- Inverter PCB for 208-230V Outdoor Units (12Kw)220
- Inverter PCB for 460V Outdoor Units (17Kw)221
- Inverter PCB for 460V Outdoor Units (12Kw)222
- Fan PCB223
- Noise Filter PCB for 208-230V Outdoor Units (17Kw)224
- Noise Filter PCB for 208-230V Outdoor Units (12Kw)224
- Noise Filter PCB for 460V Outdoor Units (17Kw)225
- Noise Filter PCB for 460V Outdoor Units (12Kw)225
Pcbs - Expanded Internal View226
- Expanded Frame View for 6-Ton (Small Frame) Outdoor Units229
- Expanded Frame View for 8- and 10-Ton (Large Frame) Outdoor Units230
- Expanded Frame View for 12- to 20-Ton (Large Frame) Outdoor Units231
- Expanded Piping View232
- Expanded Piping View for 8- and 10-Ton (Large Frame) Outdoor Units233
- Expanded Piping View for 12- to 20-Ton (Large Frame) Outdoor Units234
- Parts234

Brand	LG
Model	Multi V5
Category	Air Conditioner
Language	English

LG Multi V5 Service Manual

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