Manuals / LG Electronics / Household Appliance / Air Conditioner

LG Electronics LSU240CE, LSN090CE, TRUE Display Function, Self-diagnosis Function, Heating Model

Models: LSN120HE LSN240CE LSU090CE LSU240CE LSN120CE LSN180CE LSU180HE LSU180CE TRUE LSN090CE LSN240HE LSN090HE LSU090HE LSU120CE

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Page 39

Operation

Display Function

1. Heating Model

2. Cooling Model

Operation Indicator

Operation Indicator

• Cooling, Soft Dry, Fan, Heating

• Cooling, Soft Dry, Fan

Deicer Indicator

Compressor on Indicator

• Hot-start, Deice

Self-diagnosis Function

Error

Error Display LED

Error contents

SVC check point

Code

(Indoor body operation LED)

• Indoor room temperature

• Indoor Thermistor

1

(once)

thermistor open/short

assembly check

• Indoor pipe temperature

3sec

3sec

3sec

thermistor open/short.

Service Manual 39

Image 39

LG Electronics LSU240CE, LSN090CE, LSU120CE, LSU090HE, LSU090CE, TRUE Display Function, Self-diagnosis Function, Heating Model

Contents

Room Air Conditioner Table of Contents Be sure not to do Be sure to follow the instruction Safety PrecautionsInstallation Do not modify or extend the power cord Operation Moisture may condense and wet or damage furnishings Low refrigerant levels may cause product failure Keep level even when installing the product Solvents, etc On the product. outdoor unitOr more often if necessary Disuse Do not drink the water drained from the unitReplace all the batteries in the remote Dimensions Symbols Used in this ManualIndoor Unit Model Btu Series Dimension Mminch 109042.9 30011.8 1787.0 9k, 12k Outdoor Unit DIM 18k, 24k Introduction Features Installation Installation PartsInstallation Tools Bushing-Sleeve Installation Map This Product Contains R-410A Refrigerant Confirm The Refrigerant Outdoor unit Rooftop InstallationsSelect The Best Location Indoor unit Evap Moz/ft Piping Length And Elevation Drill a Hole In The Wall How To Mount Installation Plate Putting nut on Flaring WorkCut the pipes and the cable Burrs removal Connecting The Piping Indoor unit installationIndoor Tighten the flare nut with a wrench Wrap the insulation material around the connecting portion Indoor unit installation Insert the connecting cable into the indoor unit Connection Indoor Incorrect case Correct case Connection Of Piping -Outdoor Connection Of The Drain Hose Connection Of The Cable Wiring Diagram Room Air Conditioner Drain piping Checking The Drainage Seal small openings around pipings with a gum type sealer Forming The Piping Leak test Air PurgingAir purging With Vacuum Pump Preparation Finishing the job Evacuation Charging Evaluation of the performance Prepare remote controlTest Running Settlement of outdoor unit Function of Controls Cooling Mode OperationHealthy Dehumidification Mode Operation Defrost Control Heating Mode Operation Jet Cool Mode Operation H/P Model Sleep Timer OperationChaos Natural Wind Mode Jet Cool Mode Operation C/O Model Protection of the evaporator pipe from frosting Forced operationTest operation Auto restart Display Function Self-diagnosis FunctionHeating Model Operation Mode Remote Control Operations To remove the Grille from the Chassis Disassembly To remove the Control Box To remove the Motor Cover Cooling & Heating Models Troubleshooting GuideRefrigeration Cycle Diagram Cooling Only Models Way Valve Liquid Side Way, 3-way Valve Pumping Down Procedure Balance Refrigerant of the 3-way Valve Vacuum pump After Evacuation Gas Charging Additional gas charging Method of using graphMethod of using equation According to Indoor & Outdoor Temperature Trouble analysis Cycle Parts Product does not operate at all Electronic Parts 9k model Electronic Parts 18k model Product is not operate with the remote controller Compressor/Outdoor Fan are unable to drive.9k Model Compressor/Outdoor Fan are unable to drive.18k Model Nector When indoor Fan does not operate When Vertical Louver does not operate When a comunication error occurs Indoor Unit Phenomena in case of connecting error Outdoor Unit Electric Control Device Schematic Diagram Outdoor 9k, 12k Outdoor 18k, 24k Wiring Diagram Models 9kC/O Models 12kH/P, 12kC/O, H/P Models 18kC/O Models 18kH/P, 24kC/O, H/P Components Location Outdoor9k, 12k Outdoor18k, 24k 6871A20680 6871A20681 Cooling Only Product Specifications LS090HE LS120HE LS180HE LS240HE Cooling & Heating Exploded View Outdoor Unit 9k, 12k Btu/h Seriess 435512 W0CZZ-2 Outdoor Unit 18kH/P, 24k Seriess Parts List Indoor Replacement Parts List LSN180CE LSU120HE Parts List Outdoor Replacement Parts List LSU240HE No A20462V