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LG Electronics HB8004RA4, L8004RY4, HB8004RB4, M1004R, M8004R service manual LG Room Air Conditioner

Models: HB8004RB4 HB8004R HB1004R HB8004RA4 M8004RY4 L8004RY4 M8004R M1004R

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LG

LG Room

Air Conditioner

SERVICE MANUAL

MODEL: HBLG8004R,HBLG8004RA4,HBLG8004RB4, HBLG1004R, CL8000ER, M8004R,M8004RY4, M1004R,L8004R,L8004RY4,L1004R

CAUTION

•BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

•ONLY FOR AUTHORIZED SERVICE PERSONNEL.

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LG Electronics HB8004RA4, L8004RY4, HB8004RB4, M1004R, M8004RY4, HB1004R service manual LG Room Air Conditioner

Contents

LG Room Air Conditioner Table of Contents Do not place the power cord near a heater Safety PrecautionsDo not disassemble or modify products Do not modify power cord length Plug in the power plug properlyUse the air conditioner on a single outlet circuit Be cautious not to touch the sharp edges when installing Do not clean the air conditioner with waterEnsure that the outer case is not damaged by age or wear Do not block the inlet or outlet Symbols Used in this Manual DimensionsOutside Dimensions Items Models Product SpecificationsHBLG8004RA4/B4 CL8000ER HBLG1004R Installation Check InstallationHow to Secure the Drain Pipe Select the Best Location Window Requirements How to Install Attach L Bracket Locating Unit in WindowOutside Secure the Guide Panels Install the Sash Seal and Sash Lock Operation Precaution The Remote Control unit will notFunction of Controls Mechanical Parts DisassemblyFront Grille Cabinet Air Guide and Turbo Fan Air Handling PartsFAN Shroud Overload Protector Electrical PartsCompressor Capacitor Motor Power Cord Evaporator Refrigerating CycleCapillary Tube Disassembly Pulling Vacuum Electronic Control Schematic Description QTY Remarks Wiring Diagram Components Location Main P.C.B Assembly Piping System Troubleshooting Guide Unit runs but poor cooling Troubleshooting GuideIneffective Cooling Fails to Start Possible Trouble Electrical Parts Troubleshooting Guide Compressor does not operate Possible Trouble Function of Energy Saver does not operate Possible Trouble FAN does not operate Possible Trouble Remote controller does not operate Is the reset circuit OK? Select the desired Temp. to lower Number CN-AC/DC OK? YES Connect connector Complaint Cause Remedy Troubleshooting Guide Exploded View Replacement Parts List Description Remark Replacement Parts ListCL8000ER L1004R M1004R M8004RY4 L8004RY4 NO3828A20472A February