LG Electronics LF300CP(LP-C303R20), LF480CE(LP-C483TA0) Airflow Direction does not operate

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3) Airflow Direction does not operate.

	Is the unit operating?		NO
		YES
		YES
			NO
	Is the Auto Swing S/W "ON"?		NO


		YES
		YES
			NO
	Is the DC5V at 16 terminal?		NO
	Is the DC5V at 16 terminal?
	(MICOM)
		YES
		YES

	Is the DC12V		NO
	at each terminal?
	at each terminal?
	(RY-Sync COIL)
		YES
		YES

	Is the AC220V(240V)		NO
	at each terminal		NO
	(SYN. MOTOR CONNECTOR)?
		YES
		YES


	Check the synchronous
	motor winding.

The power ON/OFF S/W ON

Press the Auto Swing S/W

Replacement MICOM

Replacement ICO2M

Replacement RY-Sync

Check synchronous connector contact point.

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Image 36

Contents Floor Standing Type Air Conditioner Model LF300CPLP-C303R20 LF480CELP-C483TA0Contents Safety Precautions InstallationDo not install, remove, or re Do not install the product on aDefective installation stand OperationalBe cautious that water could not enter the product Keep level even when installing the product Use two or more people to lift and transport the productDo not step on or put anyting on the product. outdoor units Functions Indoor UnitRemote Control Timer ControlFan Operation Airflow Direction ControlOutdoor Unit Deice ControlOutdoor Fan Speed Control Product Specifications CapacityDimensions Indoor Unit LPNC303R20 LF300CPOutdoor Unit LPUC303R20 LF300CP Indoor Unit Outdoor UnitIndoor Unit LPNC483TA0 LF480CE Door Unit LPUC483TA0 LF480CEItems Air Outlet Vent Air Inlet Vent Control display Wiring Diagram OutdoorLF480CELP-C483TA0 Outdoor Time Delay Safety Control Cooling Mode OperationOff Timer Function Operation DetailsHeating Mode Operation Hot-Start Control Defrost ControlSoft Dry Operation Mode Protection of the evaporator pipe from frostingAir Purifying OperationAP-Z286RC0, AP-Z286R20, AP-Z488TC0 Child Lock functionAlarm mode display / only displayed while operating Energy SavingOperation or Cancel Function for test operationOutline of Operation FunctionInstallation of Indoor, Outdoor Unit Selection of the best locationCooling Only Model Indoor Unit installation Outdoor unit InstallationRefrigerant amount Connection of power supply Test runningEvaluation of the performance Operate the unit for fifteen minutes or moreHand Over Troubleshooting Guide Failures to StartNo cooling and heating operation performed Only blowers do not workOnly outdoor fan does not work Only compressor does not workUnits discontinue after the operation started Unit is working, but not cooling and heating sufficiently Both blower and compressor are workingFault Cause Check/Correcitve Action Trouble checking by protection devicesCause for frequent stop and start operation Electronic Parts Troubleshooting Guide No cooling operation performedIndoor fan does not operate Airflow Direction does not operate Remote control does not operate Timer control does not operate. Replacement Micom Unit does not operateNo heating operation works No heater operation works Exploded View and Replacement Parts List Model LF300CPLP-C303R20W1WE Model LF480CELP-C483TA0 W0CZZ 435512 559010 546810 554030 Model LF480CELP-C483TA0 December No A20156T