Service Manual
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website http://www.lgservice.com LG LG Room Air Conditioner SERVICE MANUAL MODELS: LW1800PR LW1800ER LW1800ERZ3 LW1500PR LW1500PRY3 LWP1830WAL LWP1820PDL LWP1820PEL LWC182PLMM0 LWC183PLMD1 LWC212PLMM0 LW1804ER LW1800PRZ3 HBLG1803R CAUTION • BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. • ONLY FOR AUTHORIZED SERVICE PERSONNEL.
website http://www.lgservice.com LG LG Room Air Conditioner SERVICE MANUAL MODELS: LW1800PR LW1800ER LW1800ERZ3 LW1500PR LW1500PRY3 LWP1830WAL LWP1820PDL LWP1820PEL LWC182PLMM0 LWC183PLMD1 LWC212PLMM0 LW1804ER LW1800PRZ3 HBLG1803R CAUTION • BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. • ONLY FOR AUTHORIZED SERVICE PERSONNEL.
Service Manual
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Dimensions Outside Dimensions D W Cool Energy Saver F1 LOW 'F F2 MED F3 HIGH Fan Dry Timer TEMP MODE TIMER FAN SPEED POWER H Dimension W H D Model mm(inch) mm(inch) mm(inch) ALL MODELS 660(25 31/32) 428(16 27/32) 680(26 27/32) Service Manual 5 Dimensions Symbols Used in this Manual This symbol alerts you to hazards that could cause harm to the risk of electric shock. NOTICE This symbol indicates special notes. This symbol alerts you to the air conditioner.
Dimensions Outside Dimensions D W Cool Energy Saver F1 LOW 'F F2 MED F3 HIGH Fan Dry Timer TEMP MODE TIMER FAN SPEED POWER H Dimension W H D Model mm(inch) mm(inch) mm(inch) ALL MODELS 660(25 31/32) 428(16 27/32) 680(26 27/32) Service Manual 5 Dimensions Symbols Used in this Manual This symbol alerts you to hazards that could cause harm to the risk of electric shock. NOTICE This symbol indicates special notes. This symbol alerts you to the air conditioner.
Service Manual
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E.E.R (BTU/W.h) - 9.5 - Specfications Product Specifications ITEMS POWER SUPPLY MODELS LW1800PR LW1800ER LW1800ERZ3 LWP1830WAL LW1500PR LW1500PRY3 LWP1820PDL LWP1820PEL LWC182PLMM0 LWC212PLMM0 LW1804ER LWC183PLMD1 HBLG1803R LW1800PRZ3 1ø, 208/230V, 60Hz 1ø, 115V, 60Hz 1ø, 220V, 60Hz 1ø, 220V, 60Hz 1ø, 208/230V, 60Hz CAPACITY (BTU/h) 18,000 15,000 18,...
E.E.R (BTU/W.h) - 9.5 - Specfications Product Specifications ITEMS POWER SUPPLY MODELS LW1800PR LW1800ER LW1800ERZ3 LWP1830WAL LW1500PR LW1500PRY3 LWP1820PDL LWP1820PEL LWC182PLMM0 LWC212PLMM0 LW1804ER LWC183PLMD1 HBLG1803R LW1800PRZ3 1ø, 208/230V, 60Hz 1ø, 115V, 60Hz 1ø, 220V, 60Hz 1ø, 220V, 60Hz 1ø, 208/230V, 60Hz CAPACITY (BTU/h) 18,000 15,000 18,...
Service Manual
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..., build an awning to satisfy your own unit. The green wire must be connected to a single-outlet 15A circuit. (or 20A circuit for Electric Heater Model) 3. Install the drain pan over the corner of the cabinet are especially important check points when the installation is finished. 1. Install the unit where the...
..., build an awning to satisfy your own unit. The green wire must be connected to a single-outlet 15A circuit. (or 20A circuit for Electric Heater Model) 3. Install the drain pan over the corner of the cabinet are especially important check points when the installation is finished. 1. Install the unit where the...
Service Manual
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... button is set by 1 hour. 6 SIGNAL RECEIVER 7 AUTO SWING The vertical louver swings horizontally by 2˚C 1 hour later. Cooling Model: 3 steps {High[F3] ➔ Low[F1] ➔ Med[F2]➔ High[F3]... } Heating Model: 2 steps {High [F2] ➔ Low[F1] ➔ High[F2]... } ON/OFF TIMER BUTTON Set the time of 16...
... button is set by 1 hour. 6 SIGNAL RECEIVER 7 AUTO SWING The vertical louver swings horizontally by 2˚C 1 hour later. Cooling Model: 3 steps {High[F3] ➔ Low[F1] ➔ Med[F2]➔ High[F3]... } Heating Model: 2 steps {High [F2] ➔ Low[F1] ➔ High[F2]... } ON/OFF TIMER BUTTON Set the time of 16...
Service Manual
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... 6.2K 1% R02H 12.1K 1% R22H 12.1K 1% OSC01B RT8.00MG R01B 1M 5V C01A 0.01 50V R01A 20K 3 + C02A 1uF 10V 1 3.6V 2 5V IC01A S7136 Model Auto Restart Non Auto Restart EEPROM CAT93C46 1 A0 Vcc 8 2 A1 WP 7 3 A2 SCL 6 4 GND SDA 5 EEPROM R04P O X X O R04P 5V R02P R03P 20K 20K Option2 ... 5V C05D + C06D 220 0.01 10V 50V 11 12V 12 CN-AC/DC 5V 51581-12(YEONHO) 52044-1245(MOLEX) ANGLE RY-COMP G4A-1A-E-LG ZNR01J SVC271D-14A SVC271D-14A FUSE 250V/T2A POWER TRANS 1 7 D02D D05D 2 D03D 4 D04D + C01D D02D~D05D 1000 1N4004 35V 12V IC01D O I 7812 + C02D ...
... 6.2K 1% R02H 12.1K 1% R22H 12.1K 1% OSC01B RT8.00MG R01B 1M 5V C01A 0.01 50V R01A 20K 3 + C02A 1uF 10V 1 3.6V 2 5V IC01A S7136 Model Auto Restart Non Auto Restart EEPROM CAT93C46 1 A0 Vcc 8 2 A1 WP 7 3 A2 SCL 6 4 GND SDA 5 EEPROM R04P O X X O R04P 5V R02P R03P 20K 20K Option2 ... 5V C05D + C06D 220 0.01 10V 50V 11 12V 12 CN-AC/DC 5V 51581-12(YEONHO) 52044-1245(MOLEX) ANGLE RY-COMP G4A-1A-E-LG ZNR01J SVC271D-14A SVC271D-14A FUSE 250V/T2A POWER TRANS 1 7 D02D D05D 2 D03D 4 D04D + C01D D02D~D05D 1000 1N4004 35V 12V IC01D O I 7812 + C02D ...
Service Manual
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... COMPRESSOR 4 OVERLOAD PROTECTOR 5 DC PCB ASSEMBLY 6 AC PCB ASSEMBLY 7 THERMISTOR 8 PLASMA FILTER ASSY Schematic Diagram s MODEL : LW1800ERZ3/LW1800PR, HBLG1803R LW1800ER/LWP1830WAL 1 BK CN-MOTOR GN/YL BL (GN) MOTOR RD YL OR CN-AC/DC CN-AC/DC 5...12V 250V/T2A BK(BR) (Plain) GN/YL (GN) R (115V/T2A) H.V. ASSEMBLY COMP. S C BL AC PCB ASSEMBLY OLP 4 WIRING DIAGRAM 3854AR3563N AIR FILTER ASSEMBLY 8 s MODEL : LW1500PRY3/LW1500PR LW1800PRZ3/LW1804ER LWC182PLMD1 1 5 7 2 6 3 4 8 Q'TY PER SET 1 1 1 1 1 1 1 1 S: Service Parts N: Non Service Parts REMARKS S S...
... COMPRESSOR 4 OVERLOAD PROTECTOR 5 DC PCB ASSEMBLY 6 AC PCB ASSEMBLY 7 THERMISTOR 8 PLASMA FILTER ASSY Schematic Diagram s MODEL : LW1800ERZ3/LW1800PR, HBLG1803R LW1800ER/LWP1830WAL 1 BK CN-MOTOR GN/YL BL (GN) MOTOR RD YL OR CN-AC/DC CN-AC/DC 5...12V 250V/T2A BK(BR) (Plain) GN/YL (GN) R (115V/T2A) H.V. ASSEMBLY COMP. S C BL AC PCB ASSEMBLY OLP 4 WIRING DIAGRAM 3854AR3563N AIR FILTER ASSEMBLY 8 s MODEL : LW1500PRY3/LW1500PR LW1800PRZ3/LW1804ER LWC182PLMD1 1 5 7 2 6 3 4 8 Q'TY PER SET 1 1 1 1 1 1 1 1 S: Service Parts N: Non Service Parts REMARKS S S...
Service Manual
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... TEMP UP C02L C02A BZ01E J21 J22 J23 J2ZD02F ZD01F SW03G POWER J24 26 Room Air Conditioner s MODEL: LWC182PLMM0/LWC212PLMM0 LW1800ERZ3/HBLG1803R Schematic Diagram Components Location s MODEL: LW1800PR/LW1800ER LW1500PR/LWP1830WAL LWP1820PDL/LWP1820PEL LW1800ERZ3/LW1804ER LWC183PLMD1 D02D D03D D04D D05D IC01D J1 CN-AC/DC...:6871A20167 RY-4WAY RY-LOW C05D C04D J2 QIC02DT RY-MED J3 RY-HI Q04T J6 D01T C02T J7 s MODEL: LWC182PLMM0/LWC212PLMM0 LW1500PRY3/LW1800PRZ3 HBLG1803R CN-TELE CN-TH2 POWER TRANS FUSE CN-PWR ZNR01J R01J E03J J8 E04J CN-MOTOR E02J E05J E01J CN-...
... TEMP UP C02L C02A BZ01E J21 J22 J23 J2ZD02F ZD01F SW03G POWER J24 26 Room Air Conditioner s MODEL: LWC182PLMM0/LWC212PLMM0 LW1800ERZ3/HBLG1803R Schematic Diagram Components Location s MODEL: LW1800PR/LW1800ER LW1500PR/LWP1830WAL LWP1820PDL/LWP1820PEL LW1800ERZ3/LW1804ER LWC183PLMD1 D02D D03D D04D D05D IC01D J1 CN-AC/DC...:6871A20167 RY-4WAY RY-LOW C05D C04D J2 QIC02DT RY-MED J3 RY-HI Q04T J6 D01T C02T J7 s MODEL: LWC182PLMM0/LWC212PLMM0 LW1500PRY3/LW1800PRZ3 HBLG1803R CN-TELE CN-TH2 POWER TRANS FUSE CN-PWR ZNR01J R01J E03J J8 E04J CN-MOTOR E02J E05J E01J CN-...
Service Manual
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Troubleshooting Guide Possible Trouble 6 Remote controller does not operate. YES Does the IC03G (Q01G, Q02G, Q03G for Delux Model). YES • Replace the DC PCB Ass'y. 34 Room Air Conditioner • Replace IC01G. • Connect connector to CN-AC/DC exactly. YES •...8226; Replace the battery. • Check the PCB pattern. • Connect connector to CN-AC/DC exactly. • Replace IC03G (Q01G, Q02G, Q03G for Delux Model) NO operate normally on DC PCB Ass'y. YES Is the connection of NO CN-AC/DC OK? Possible Trouble 7 It displays abnormally on DC PCB...
Troubleshooting Guide Possible Trouble 6 Remote controller does not operate. YES Does the IC03G (Q01G, Q02G, Q03G for Delux Model). YES • Replace the DC PCB Ass'y. 34 Room Air Conditioner • Replace IC01G. • Connect connector to CN-AC/DC exactly. YES •...8226; Replace the battery. • Check the PCB pattern. • Connect connector to CN-AC/DC exactly. • Replace IC03G (Q01G, Q02G, Q03G for Delux Model) NO operate normally on DC PCB Ass'y. YES Is the connection of NO CN-AC/DC OK? Possible Trouble 7 It displays abnormally on DC PCB...
Service Manual
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Exploded View s HEATING MODEL 130910 267110 148000 554031 149980 152312 354210 346811 359012 W48602 349480 349600 W48602 559010 147582-1 147581 147582-2 152302 135303 352390-2 135312 130410 349001 268712 268714 238310 COOL FAN DRY INDOOR FAN HEAT DEFROST DESIRED PREUSENARASAEUYVTIRTRFAEOGIRREYTR TIMER SFPAENED MODE TEMP POWER 237200 263230 W0CZZ 135500 352390-1 567502 554160 249950 550140 352115-1 552111 352115-2 264110 352113 35211A 566000 552202 42 Room Air Conditioner
Exploded View s HEATING MODEL 130910 267110 148000 554031 149980 152312 354210 346811 359012 W48602 349480 349600 W48602 559010 147582-1 147581 147582-2 152302 135303 352390-2 135312 130410 349001 268712 268714 238310 COOL FAN DRY INDOOR FAN HEAT DEFROST DESIRED PREUSENARASAEUYVTIRTRFAEOGIRREYTR TIMER SFPAENED MODE TEMP POWER 237200 263230 W0CZZ 135500 352390-1 567502 554160 249950 550140 352115-1 552111 352115-2 264110 352113 35211A 566000 552202 42 Room Air Conditioner