LG HB1004R User Manual

LG RoomAir ConditionerSERVICE MANUALLGCAUTIONwebsite http://www.lgservice.com• BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.•

10 Room Air ConditionerInstallationBEFORE INSTALLATION1. Insert the guide panels into the guides of the air conditioner.Fasten the curtains to the uni

Service Manual 11Installation4. SECURE THE GUIDE PANELSExtend the guide panels (TYPE F) to fill the windowopening using 4 screws (TYPE B) to secure t

12 Room Air ConditionerOperationOperation• Designed for COOLING ONLY.• Powerful and quiet cooling.• Top-down chassis for the simple instal-lation and

Service Manual 13DisassemblyDisassemblyMechanical Parts— Before the following disassembly, set the CONTROL BOX to OFF and disconnect the power cord.1

14 Room Air ConditionerDisassemblyFigure 15Figure 16Figure 17Figure 184. Air Guide and Turbo Fan1. Remove the front grille. (Refer to section 1)2. Rem

7. Overload Protector1. Remove the cabinet. (Refer to section 2)2. Remove the nut that fastens the terminal cover.3. Remove the terminal cover. (See F

16 Room Air ConditionerDisassembly10. Power Cord1. Remove the control box. (Refer to section 3)2. Open the top cover from the control box.(Refer to se

Service Manual 17Disassembly12. CondenserCAUTION: Discharge the refrigerantsystem using a FreonTMRecoverySystem. If there is no valve to attach there

18 Room Air ConditionerDisassembly— Replacement of the refrigeration cycle.1. When replacing the refrigeration cycle, be sure toDischarge the refriger

Service Manual 19DisassemblyEquipment needed: Vacuum pump, Charging cylinder, Manifold gauge, Brazing equipment. Pin-off tool capableof making a vap

2 Room Air ConditionerAir Conditioner Service ManualTABLE OF CONTENTSSafety Precautions...

20 Room Air ConditionerSchematic Diagram332211HVB5VbcR04PXOOX5VR04P8EEPROMModel1EEPROMA05VS7136IC01A3.6V21R01A20K3+10V1uFC02ACAT93C46VccAuto RestartNo

Service Manual 21Schematic DiagramWiring DiagramMOTOR ASSYCAPACITORCOMPRESSOROVERLOAD PROTECTORDC PCB ASSEMBLYAC PCB ASSEMBLYTHERMISTORPLASMA FILTER

22 Room Air ConditionerSchematic DiagramComponents Location1. MAIN P.C.B ASSEMBLYR01TCN-HVBC03TQ03TQ04TC04DC05DC01DC02DD02DD03DD04DD05DIC01DHEAT SINKQ

Service Manual 23Troubleshooting Guide Troubleshooting GuidePiping SystemFigure 26 is a brief description of the important components and their funct

24 Room Air ConditionerTroubleshooting Guide Troubleshooting GuideIn general, possible trouble is classified in two kinds.The one is called Starting F

Service Manual 25Troubleshooting Guide Fails to StartCheck circuit breakerand fuse.Gas leakage of feeler bulbof thermostatCheck of control switch.Fan

26 Room Air ConditionerTroubleshooting Guide • Check the Fuse.• Check the wiring diagram.Is the Trans input power AC 115V?Is the Trans output powerabo

Service Manual 27Troubleshooting Guide Possible Trouble 2 The compressor does not operate.Possible Trouble 3 The compressor always operate.Is setting

28 Room Air ConditionerTroubleshooting Guide Possible Trouble 4 FAN does not operate.Possible Trouble 5The function of Energy Saver does not operate.

Service Manual 29Troubleshooting Guide Possible Trouble 6 Remote controller does not operate.Possible Trouble 7 It displays abnormally on DC PCB Ass’

Service Manual 3Safety Precautions Safety PrecautionsTo prevent injury to the user or other people and property damage, the following instructions m

30 Room Air ConditionerTroubleshooting Guide • Check the Fuse.• Check the wiring diagram.Is the Trans input power AC 115V?Is the Trans output powerabo

Service Manual 31Troubleshooting Guide Possible Trouble 2 The compressor does not operate.Possible Trouble 3 The compressor always operate.Is desired

32 Room Air ConditionerTroubleshooting Guide Possible Trouble 4 FAN does not operate.Possible Trouble 5Remote controller does not operate.• Replace I

Service Manual 33Troubleshooting Guide Possible Trouble 6 It displays abnormally on DC PCB Ass’y.NONONONOYESYESYESAre IC01G and IC02GOK?Is the connec

34 Room Air ConditionerTroubleshooting Guide COMPLAINT CAUSE REMEDYCheck voltage at outlet. Correct if none.Check voltage to Control Box. If none, che

Service Manual 35Troubleshooting Guide COMPLAINT CAUSE REMEDYCheck the TEMP control. If not at the lowest number,set TEMP control to this setting and

Room Air ConditionerExploded View Exploded View 130910149980346811359012W48602349001-2268711-2268711-1238310W0CZZ 135500249950147581147582-15590113494

Service Manual 37Replacement Parts ListReplacement Parts ListL8004R HBLG8004R M8004R130410 BASE ASSEMBLY,WELD[SINGLE] 3041A10041H 3041A10041H 3041A10

Replacement Parts ListRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRDESCRIPTIONPART NO.REMARKLOCATIONNO.130410130910135312135313135500147581147582-1147582-2148

Replacement Parts ListRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRDESCRIPTIONPART NO.REMARKLOCATIONNO.130410130910135312135313135500147581147582-1147582-2148

4 Room Air ConditionerSafety Precautions Plug in the power plugproperly.• Otherwise, it will causeelectric shock or fire.Do not operate or stop theu

P/NO:3828A20472AFebruary, 2004Printed in China

Service Manual 5If water enters the product, turn off the the powerswitch of the main body of appliance. Contact ser-vice center after taking the pow

6 Room Air ConditionerDimensionsDimensionsOutside DimensionsThis symbol alerts you to the risk of electric shock. This symbol alerts you to hazards th

SpecficationsProduct SpecificationsPOWER SUPPLYCAPACITYPOWER SUPPLYPOWER SUPPLY(BTU/h)CAPACITYCAPACITYINPUT(BTU/h)(BTU/h)POWER SUPPLY(W)INPUTINPUTCAPA

8 Room Air ConditionerInstallationInstallationSelect the Best LocationInstallation CheckHow to Secure the Drain Pipe1. To prevent vibration and noise,

Service Manual 9InstallationHow to InstallWindow RequirementsAll supporting parts should be secured tofirm wood, masonry, or metal.1. This unit is de