LG Electronics LSC183VMA service manual When Indoor Fan does not operate

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5. When Indoor Fan does not operate.

Does the voltage of each terminals of CN-MOTOR CONNECTOR in

Indoor unit corresponds to values in the Table of page 51?

Does the voltage of terminal of CN-DC/DC CONNECTOR in Indoor unit corresponds to the values in the table of page 51?

Check connecting condition of the CN-MOTOR CONNECTOR

Do the voltage of terminal of CN-DC/DC CONNECTOR in Outdoor unit corresponds to the values in the table of page 51?

NO

Check the pattern and the condition of Indoor unit PWB Ass'y.

Check the interference of Indoor Fan.

Check the patterns and the conditions of outdoor unit PWB Assy's.

Check the connecting condition and disconnection of connecting wires between Indoor and Outdoor unit.

Check the motor of Indoor Fan

Indoor Fan may be stopped in the Soft Dry Mode(change to the Cooling Operation Mode).

Indoor Fan is to be stopped when Indoor pipe(coil) termperature is lower than 79°F. (At that times, Defrost indicator is turned on)

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Contents Room Air Conditioner Contents Details of 2003 LG Model Name Code Type Code of Model MeaningFunctions Indoor UnitTemperature Setting Operation ON/OFF Operation Mode SelectionRoom, Temperature Checking Setting the Time or Timer Timer SelectionProduct References LSC183VMAIndoor Unit DimensionsIndoor Unit Outdoor Unit 18K Gas sideRefrigeration Cycle Diagram Cooling Only ModelsWiring Diagram 18K Cooling Only ModelsHealthy Dehumidification Mode Cooling Mode OperationOperation Details Heating Mode Operation Defrost ControlFuzzy Operation H/P Model Fuzzy Operation C/O ModelFuzzy Operation for Cooling Fuzzy Operation for Dehumidification On-Timer OperationAirflow Speed Selection Fuzzy Operation for HeatingSleep Timer Operation Off-Timer OperationOff-Timer ↔ On-Timer Operation Chaos Swing ModeForced Operation Jet Cool Mode Operation H/P ModelRemote Control Operation Mode Test operationSelf-diagnosis Function Compressor on IndicatorDisplay Function Heating ModelSelect the best location InstallationInstallation of indoor, Outdoor unit Piping length and elevationCover pipe and cover side remove Preparing work for InstallationOpen panel front Drain hose junctionHow to fix installation plate Flaring work Flaring Work and Connection of PipingConnection of piping Indoor Indoor unit installation Wrap the insulation material around the connecting portionConnection of the pipes-Outdoor Installation Information For right piping Good caseBad case For right piping. Follow the instruction belowConnecting The Cable Between Indoor Unit and Outdoor Unit Connection of the cableConnection method of the connecting cableExample For strand wiringForm the piping Checking the Drainage and forming the pipingsChecking the drainage To check the drainageCircuit Breaker Use a circuit breaker or time delay fuse Connect the cable to the indoor unitAir purging with vacuum pump Air PurgingAir purging PreparationEvacuation Finishing the jobPanel Front Assembly Drive three screwsTest Running Prepare remote controlPump Down Procedure Settlement of outdoor unitName and Function-Remote Control OperationTo remove the Grille from the Chassis To remove the Control BoxBefore removing the Turbo Fan To remove the EvaporatorTo remove the Motor Way, 3-way Valve Way Valve Liquid SideCheck for gas leakage ProcedureAir purging Purge the air from the systemAir purging of the charge hose Pumping downSet the 2-way valve to the closed position Re-air purging Balance refrigerant of the 2-way, 3-way valves Gas leakageEvacuation All amount of refrigerant leakedConnect the charge hose to the charging cylinder Gas ChargingAfter Evacuation Purge the air from the charge hoseCycle Troubleshooting Guide Trouble analysisYES Product is not operate with the remote controller Compressor/Outdoor Fan are unable to drive When Indoor Fan does not operate Check connecting condition of the CN-MOTOR ConnectorWhen Vertical Louver does not operate When a comunication error occurs Phenomena in case of connecting error Indoor UnitOutdoor Unit No. of pins Voltage of Connectors according toIndoor Fan Speed Electronic Control Device Main PWB ASSYIndoor UnitMain PWB ASSYOutdoor Unit ModelDisplay PWB Assembly Indoor Unit SUB PCB ASMOutdoor Unit MicomExploded View and Replacement Parts List Parts Listindoor Location Description Remarks LSC183VMAOutdoor unit18K W0CZZParts Listoutdoor Location Description QTY Remarks LSC183VMAMemo Memo August