LG Electronics M8004RY4, L8004RY4, HB8004RA4, HB8004RB4 Wiring Diagram, Description QTY Remarks

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Schematic Diagram

Wiring Diagram

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2

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4

		BK	CN-MOTOR		CN-AC/DC		CN-AC/DC
GN/YL		BK
GN/YL		BL
(GN)	MOTOR	RD					DC PCB
	MOTOR	YL		RY-LOW	RY-MED		DC PCB
		OR				RY-HI	ASSEMBLY
	CAPACITOR					RY-HI	CN-TH1
	CAPACITOR						CN-TH1
	F	YL
	F
	C			POWER
	C	OR(BR)			TRANS		THERMISTOR
		BK	CN-PWR				THERMISTOR
		RD	CN-PWR
	H	RD		ZNR01J			SWITCH
	H					DC12V
						DC12V
	WH(BL)		FUSE		CN-12V
	(Ribbed)		FUSE		CN-12V
		250V/T3.15A
	BK(BR)				CN-HVB		H.V.
	(Plain)		3		CN-HVB		ASSEMBLY
GN/YL							ASSEMBLY
GN/YL
(GN)	R		4	RY-COMP			BK	RD
	R		4				BK	RD
COMP. S		BL		AC PCB
	C			AC PCB
				ASSEMBLY
		OLP		ASSEMBLY
		OLP					AIR FILTER
WIRING DIAGRAM							AIR FILTER
WIRING DIAGRAM							ASSEMBLY

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7

6

8

			S: Service Parts
			N: Non Service Parts
LOCATION	DESCRIPTION	Q'TY		REMARKS
NO.	DESCRIPTION	PER SET		REMARKS
NO.		PER SET

1	MOTOR ASSY	1		S

2	CAPACITOR	1		S

3	COMPRESSOR	1		S

4	OVERLOAD PROTECTOR	1		S

5	DC PCB ASSEMBLY	1		S

6	AC PCB ASSEMBLY	1		S

7	THERMISTOR	1		S

8	PLASMA FILTER ASSY	1		S

Service Manual 21

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Contents LG Room Air Conditioner Table of Contents Safety Precautions Do not place the power cord near a heaterDo not disassemble or modify products Plug in the power plug properly Do not modify power cord lengthUse 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 outletDimensions Symbols Used in this ManualOutside Dimensions Items Models Product SpecificationsHBLG8004RA4/B4 CL8000ER HBLG1004RInstallation Check InstallationHow to Secure the Drain Pipe Select the Best LocationWindow Requirements How to InstallLocating Unit in Window Attach L BracketOutside Secure the Guide Panels Install the Sash Seal and Sash LockPrecaution The Remote Control unit will not OperationFunction of Controls Mechanical Parts DisassemblyFront Grille CabinetAir Guide and Turbo Fan Air Handling PartsFAN ShroudOverload Protector Electrical PartsCompressor CapacitorMotor Power CordRefrigerating Cycle EvaporatorCapillary Tube Disassembly Pulling Vacuum Electronic Control SchematicDescription QTY Remarks Wiring DiagramComponents Location Main P.C.B AssemblyPiping System Troubleshooting GuideTroubleshooting Guide Unit runs but poor coolingIneffective Cooling Fails to Start Possible Trouble Electrical Parts Troubleshooting GuideCompressor does not operate Possible Trouble Function of Energy Saver does not operate Possible Trouble FAN 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 Description Remark Replacement Parts ListCL8000ER L1004R M1004RM8004RY4 L8004RY4 NO3828A20472A February