LG HB1003R Service Manual
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LG HB1003R Service Manual

LG HB1003R Service Manual

Service manual
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LG Room
Air Conditioner

SERVICE MANUAL

MODEL: HBLG8003R,LB8000ER,LW8000ER,HBLG1003R,LWHD1006R,L1006R
LWHD1006RY6,L1006RY6
CAUTION
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
LG

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  • Page 1: Service Manual

    LG Room Air Conditioner SERVICE MANUAL MODEL: HBLG8003R,LB8000ER,LW8000ER,HBLG1003R,LWHD1006R,L1006R LWHD1006RY6,L1006RY6 CAUTION • BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. • ONLY FOR AUTHORIZED SERVICE PERSONNEL.

  • Page 2: Table Of Contents

    Air Conditioner Service Manual TABLE OF CONTENTS Safety Precautions............................3 Dimensions ..............................5 Outside Dimensions ...........................5 Product Specifications ..........................6 Installation ...............................7 Select the Best Location ..........................7 Installation Check ............................7 How to Secure the Drain Pipe ........................7 How to Install..............................8 Operation ..............................12 Function of Controls ..........................12 Disassembly ..............................14 Mechanical Parts............................14 Air handling Parts.............................15...

  • Page 3: Safety Precautions

    Safety Precautions Safety Precautions Precautions To prevent injury and property damage, follow these instructions. Incorrect operation due to ignoring instructions might cause harm or damage, the seriousness of which is indicated by the following symbols. WARNING This symbol shows the possibility of death or serious injury. CAUTION This symbol indicates the possibility of injury or damage to property.
  • Page 4 Safety Precautions WARNING WARNING Ventilate before operating air conditioner Do not disassemble or modify products when gas goes out. randomly. • Operating the air conditioner in the presence of gas • Doing so may cause failure or electric shock. vapors can lead to explosions and fire. CAUTION CAUTION Never touch the metal parts...

  • Page 5: Dimensions

    Dimensions Dimensions Symbols Used in this Manual This symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that could cause harm to the air conditioner. This symbol indicates special notes. NOTICE Outside Dimensions unit: mm(inch) 490(19 / ) 8"...

  • Page 6: Product Specifications

    Specfications Product Specifications Pr P r o duct Specifications Product Specifications oduct Specifications HBLG1003R MODELS HBLG8003R LB8000ER LW8000ER LWHD1006R(Y6) ITEMS L1006R(Y6) 1ø, 115, 60Hz POWER SUPPLY COOLING CAPACITY (Btu/h) 8,000 8,200 INPUT ,020 RUNNING CURRENT (BTU/W . h) E.E.R 10 . OPERATING INDOOR (°C) 26.7(DB)*...

  • Page 7: Installation

    Installation Installation Select the Best Location 1.To prevent vibration and noise, make sure the unit FENCE is installed securely and firmly. AWNING 2.Install the unit where the sunlight does not shine COOLED AIR directly on the unit. HEAT RADIATION 3.The outside of the cabinet must extend outward for at least 12"...

  • Page 8: How To Install

    Installation How to Install 1. WHEN USING GASKET COOL HEAT DEFROST COOL HEAT DEFROST ENERGY SAVER ENERGY SAVER RIGHT SIDE INDOOR DESIRED INDOOR DESIRED PURYFIER PURYFIER AUTO RESTART AUTO RESTART HORIZONTAL LINE 1. WINDOW (WIDTH-A, HEIGHT-B) 4. DETAILS 5.1 x 30 ROUND HEAD WOOD SCREWS 2.

  • Page 9: Before Installation

    Installation BEFORE INSTALLATION 1. Remove the screws which fasten the cabinet at both sides and at the back. 2. Slide the unit out from the cabinet by gripping the Shipping base pan handle and pulling forward while Screws bracing the cabinet. 3.
  • Page 10 Installation 3. Loosely assemble the sill support using the parts INDOOR OUTDOOR Figure Sill Support Bolt Figure 6 4. Select the position that will place the sill support near the outer most point on sill (See Figure Frame Guide Screw(Type A) Be careful when you install the cabinet (frame NOTICE guides...
  • Page 11 Installation 10. Slide the unit into the cabinet.(See Fig. 10) CAUTION: For security purpose, reinstall screws (Type A) at cabinet's sides. Power cord Screw(Type A) Screw(Type A) Figure 10 11. Cut the Foam-Strip to the proper length and insert between the upper and lower window sash. Foam-Strip (See Fig.

  • Page 12: Operation

    Installation Operation • Designed for COOLING ONLY. • Built-in adjustable Thermistor • Powerful and quiet cooling. • Washable one-touch filter • Slide-in and slide-out chassis for the simple • Compact size installation and service. • Reliable and efficient rotary compressor is •...

  • Page 13: How To Insert Batteries

    Operation POWER Operation starts when this button is pressed and stops when you press the button again. TEMPERATURE CONTROL The thermostat monitors room temperature to maintain the desired temperature. The thermostat can be set between 60°F~86°F (16°C~30°C). The unit takes an average of 30 minutes to adjust the room temperature by 1°F. OPERATION MODE SELECTOR Select cooling mode to cool the room.

  • Page 14: Disassembly

    Disassembly Disassembly — Before the following disassembly, POWER SWITCH set to OFF and disconnect the power cord. Mechanical Parts 1. FRONT GRILLE 1. Open the lnlet grille downward and remove the air filter. 2. Remove the screw which fastens the front grille.(See Figure 16) 3.

  • Page 15: Air Handling Parts

    Disassembly Air Handling Parts 4. AIR GUIDE AND TURBO FAN 1. Remove the front grille. 2. Remove the cabinet. 3. Remove the control box. 4. Remove the 4 screws which fasten the brace. 5. Remove the brace. 6. Remove the 2 screws which fasten the air guide upper.

  • Page 16: Electrical Parts

    Disassembly 6. SHROUD 1. Remove the fan. 2. Remove the shroud. (See Figure 23) 3. Re-install the components by referring to the removal procedure, above. Figure 23 Electrical Parts 1. OVERLOAD PROTECTOR 1. Remove the cabinet. 2. Remove the nut which fastens the terminal cover. 3.

  • Page 17: Power Cord

    Disassembly 3. CAPACITOR 1. Remove the control box. 2. Open the top cover from the control box. (See Figure 26) 3. Pull out the capacitor from the control box. 4. Disconnect all the leads of capacitor terminals. 5. Re-install the components by referring to the removal procedure, above.

  • Page 18: Refrigerating Cycle

    Disassembly 5. MOTOR 1. Remove the cabinet. 2. Remove the turbo fan. 3. Remove the fan. 4. Remove the 4 screws which fasten the motor from the air guide. (See Figure 28) 5. Remove the motor. 6. Re-install the components by referring to the removal procedure, above.(See Figure 28) Figure 28 Refrigerating Cycle...
  • Page 19 Disassembly 3. CAPILLARY TUBE 3. Remove the capillary tube. 1. Remove the cabinet. 4. Re-install the components by referring to notes. 2. After discharging the refrigerant completely, unbraze the interconnecting tube at the capillary tube.(See caution above) NOTES — Replacement of the refrigeration cycle. 6.
  • Page 20 Disassembly Equipment needed: Vacuum pump, Charging cylinder, Manifold gauge, Brazing equipment. Pin-off tool capable of making a vapor-proof seal, Leak detector, Tubing cutter, Hand Tools to remove components, Service valve. Figure 31B-Charging Figure 31A-Pulling Vacuum 20 Room Air Conditioner...

  • Page 21: Schematic Diagram

    Schematic Diagram Schematic Diagram Electronic Control Device SEG-d TEST SEG-e /Reset SEG-f SEG-g SLIDE VAref KEY0 Room KEY1 out0 Pipe Option1 out1 Option2 out2 Service Manual 21...
  • Page 22 Schematic Diagram Wiring Diagram CN-AC/DC CN-AC/DC CN-MOTOR GN/YL MOTOR DC PCB ASSEMBLY CAPACITOR CN-TH1 POWER TRANS THERMISTOR CN-PWR SWITCH DC12V FUSE CN-12V Ribbed 250V/T2A H.V. CN-HVB Plain ASSEMBLY GN/YL RY-COMP COMP. AC PCB ASSEMBLY AIR FILTER WIRING DIAGRAM ASSEMBLY S: Service Parts N: Non Service Parts LOCATION Q'TY...

  • Page 23: Components Location

    Schematic Diagram Components Location 1. MAIN P.C.B ASSEMBLY R01T Q01T CN-MOTOR CN-HVB CN-TELE CN-TH2 Q03T C03T Q04T CN-PWR QIC02DT CN-4WAY ZNR01J C01J R01J C02D C04D C05D E03J E02J E01J C01D E04J E05J POWER TRANS RY-COMP FUSE 250V/T3.15A ASSEMBLY:6871A20417C 2. DISPLAY P.C.B. ASSEMBLY PCB:6870A90067C ASSEMBLY:6871A20418A Service Manual 23...

  • Page 24: Troubleshooting Guide

    Troubleshooting Guide Troubleshooting Guide Piping System CONDENSER COIL CAPILLARY TUBE MOTOR COMPRESSOR TURBO FAN EVAPORATOR COIL Figure 32 is a brief description of the important components and their function in what is called the refrigeration system. This will help you to understand the refrigeration cycle and the flow of the refrigerant in the cooling cycle. ROOM AIR CONITIONER CYCLE OF REFRIGERATION EVAPORATOR COILS...

  • Page 25: Troubleshooting Guide

    Troubleshooting Guide Troubleshooting Guide In general, possible trouble is classified in two kinds. The one is called Starting Failure which is caused from an electrical defect, and the other is ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper application. Unit runs but poor cooling.
  • Page 26 Troubleshooting Guide Fails to Start Check of power source. Check circuit breaker and fuse. Check of control switch Gas leakage of feeler bulb setting. of thermostat Check of control switch. Compressor only fails to Fan only fails to start. start. Improper wiring.

  • Page 27: Electrical Parts Troubleshooting Guide

    Troubleshooting Guide Electrical Parts Troubleshooting Guide The unit does not operate. Possible Trouble 1 Is the • Check the Fuse. • Check the Fuse. Trans input power AC 115V? • Check the wiring diagram. • Check the wiring diagram. • Check the Main Is the Trans output power Is shorted the Trans.
  • Page 28 Troubleshooting Guide The compressor does not operate. Possible Trouble 2 Is setting • Select the setting Temp. to lower Number. Temp. set lower than Room Temp.-0.5 C? Is the voltage No.10 Is the voltage N0.9 of Does the Unit delay of IC01M 0V? IC01M DC 12V? for 3 minutes?
  • Page 29 Troubleshooting Guide FAN does not operate. Possible Trouble 4 Is the voltage NO.1 or 2 or 4 • Replace IC01M. of IC01M DC 12V? Is the voltage NO.16 or 15 or 13 • Replace IC01M. of IC01M 0V? • Check the RY-Hi or RY-Med or RY-Lo.
  • Page 30 Troubleshooting Guide Remote controller does not operate. Possible Trouble 6 Is the voltage of Battery • Replace the battery. over 2.3V? Is the voltage No.10 • Check the PCB pattern. of CN-AC/DC on DC PCB • Check the PCB pattern. Ass'y DC 5V? •...

  • Page 31: Electrical Parts

    Troubleshooting Guide Electrical Parts The unit does not operate. Possible Trouble 1 Is the • Check the Fuse. • Check the Fuse. Trans input power AC 115V? • Check the wiring diagram. • Check the wiring diagram. • Check the AC Is the Trans output power Is shorted the Trans.
  • Page 32 Troubleshooting Guide The compressor does not operate. Possible Trouble 2 Is desired • Select the desired Temp. to lower Number. Temp. set lower than Room Temp.-0.5 C? Is the voltage No.10 Is the voltage N0.9 of Is the Unit for 3 minutes of IC01M 0V? IC01M DC 12V? delay?
  • Page 33 Troubleshooting Guide FAN does not operate. Possible Trouble 4 Is the voltage NO.1 or 2 or 4 • Replace IC01M. of IC01M DC 5V? Is the voltage NO.16 or 15 or 13 • Replace IC01M. of IC01M 0V? • Check the RY-Hi or RY-Med or RY-Lo.
  • Page 34 Troubleshooting Guide It displays abnormally on DC PCB Ass’y. Possible Trouble 6 • Replace IC01G, Are IC01G and IC02G IC02G. • Connect connector Is the connection of to CN-AC/DC exactly. CN-AC/DC OK? Does the IC03G • Replace IC03G. operate normally on AC PCB Ass'y? •...
  • Page 35 Troubleshooting Guide COMPLAINT CAUSE REMEDY Fan motor will not run. No power Check voltage at outlet. Correct if none. Power supply cord Check voltage to Control Box. If none, check power supply cord. Replace cord if circuit is open. Wire disconnected or con- Connect wire.
  • Page 36 Troubleshooting Guide COMPLAINT CAUSE REMEDY Compressor will not run, Thermistor Check the TEMP control. If not at the lowest number, but fan motor runs. set TEMP control to this setting and restart the unit. Check the continuity of the thermistor. Replace the thermistor if the circuit is open.

  • Page 37: Exploded View

    Exploded View Exploded View 554030 130910 267110 149980 148000 346811 359012 559011 W48602 249950 354210 352390-2 352390-1 263230 268711-2 268711-1 135500 W0CZZ 238310 349001 567502 349480 264110 130410 237200 554160 135312 147582-1 147581 550140 552102 731273 352115 552113 147582-2 152302 352113 35211A 135303...

  • Page 38: Replacement Parts List

    Replacement Parts List Replacement Parts List PART NO. LOCATION REMARK DESCRIPTION HBLG8003R LB8000ER LW8000ER HBLG1003R 130410 BASE ASSEMBLY,SINGLE 3041A20021V 3041A20021N 130910 CABINET ASSEMBLY,SINGLE 3091AR2317N 3091AR2317M 3091AR2317M 135312 3531A20097A GRILLE ASSEMBLY,FRONT(SINGLE) 3531A20160A 3531A20160A 135313 3530A20038A GRILLE ASSEMBLY,INLET 3530A20075A 3530A20075A 135500 COVER,CONTROL(INDOOR) 3550A30114A 147581 4758A20019A...
  • Page 39 Replacement Parts List Replacement Parts List PART NO. LOCATION REMARK DESCRIPTION LWHD1006R L1006R LWHD1006RY6 130410 BASE ASSEMBLY,WELD[SINGLE] 3041A20021N 3041A20021V 3041A20021V 130910 CABINET ASSEMBLY,SINGLE 3091AR2317M 3091AR2317M 3091AR2317M 135312 GRILLE ASSEMBLY,FRONT(SINGLE) 3531A20160C 3531A20097A 3531A20160A 135313 GRILLE,INLET 3530A20075B 3530A10238A 3530A20075A 135500 COVER 3550A30226A 3550A30226A 3550A30226A 147581...
  • Page 40 Replacement Parts List Replacement Parts List PART NO. LOCATION REMARK DESCRIPTION L1006RY6 130410 BASE ASSEMBLY,WELD[SINGLE] 3041A20021V 130910 CABINET ASSEMBLY,SINGLE 3091AR2317M 135312 GRILLE ASSEMBLY,FRONT(SINGLE) 3531A20097A 135313 GRILLE,INLET 3530A20038A 135500 COVER 3550A30226A 147581 LOUVER,HORIZONTAL 4758A20019A 147582-1 LOUVER,VERTICAL 4758A20040A 147582-2 LOUVER,VERTICAL 4758A20040B 148000 BRACE 4800A30002C 159980...
  • Page 41 March, 2007 P/NO:3828A29003C Printed in China...

This manual is also suitable for:

Hblg8003rLw8000erHblg1003rLb8000erLwhd1006rL1006r ... Show all

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