LG Electronics M1004R, L8004RY4, HB8004RA4, HB8004RB4, M8004R Possible Trouble FAN does not operate

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Troubleshooting Guide

Possible Trouble 4	FAN does not operate.

Is the voltage NO.1 or 2 or 4		NO

of IC01M DC 12V?
	YES

Is the voltage NO.16 or 15 or 13		NO

of IC01M 0V?

YES

•Check the RY-Hi or RY-Med or RY-Lo.

•Check the wiring diagram.

•Replace IC01M.

•Replace IC01M.

Possible Trouble 5	The function of Energy Saver does not operate.

	Is the mode		NO
	key pushed once more from		NO


	cool mode?
		YES
		YES
	Is the voltage No.3 of		NO
	CN-AC/DC of AC PCB
	Ass'y DC 5V?

YES

•Reference to

OWNER'S MANUAL.

•Set the mode key to Energy Saver mode.

•Check the Energy Saver mode key.

•Check the pattern of AC & DC PCB.

28Room Air Conditioner

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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 Do not clean the air conditioner with water Be cautious not to touch the sharp edges when installingEnsure that the outer case is not damaged by age or wear Do not block the inlet or outletSymbols Used in this Manual DimensionsOutside Dimensions Product Specifications Items ModelsHBLG8004RA4/B4 CL8000ER HBLG1004RInstallation Installation CheckHow to Secure the Drain Pipe Select the Best LocationHow to Install Window RequirementsAttach L Bracket Locating Unit in WindowOutside Install the Sash Seal and Sash Lock Secure the Guide PanelsOperation Precaution The Remote Control unit will notFunction of Controls Disassembly Mechanical PartsFront Grille CabinetAir Handling Parts Air Guide and Turbo FanFAN ShroudElectrical Parts Overload ProtectorCompressor CapacitorPower Cord MotorEvaporator Refrigerating CycleCapillary Tube Disassembly Pulling Vacuum Schematic Electronic ControlWiring Diagram Description QTY RemarksMain P.C.B Assembly Components LocationTroubleshooting Guide Piping SystemUnit runs but poor cooling Troubleshooting GuideIneffective Cooling Fails to Start Electrical Parts Troubleshooting Guide Possible TroubleCompressor does not operate Possible Trouble FAN does not operate Possible Trouble Function of Energy Saver does not operatePossible 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 Replacement Parts List Description RemarkCL8000ER L1004R M1004RM8004RY4 L8004RY4 NO3828A20472A February