LG Electronics LP091CEM-Y8 manual Troubleshooting Guide

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5.3 TROUBLESHOOTING GUIDE

In general, possible trouble is classified in two causes.

The one is Starting Failure which is caused from an electrical defect, and the other is Ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper application.

Unit is running but cooling is ineffective

Ineffective Cooling

Check of cold air circulation for smooth flow.

Dirty indoor coil (Heat exchanger)

Malfunction of fan

Clogged of air filter

Obstruction at air outlet

Correct above trouble

Check clogging in refrigeration circuit.

Repair clogging in refrigeration circuit.

Check of outdoor coil (heat exchanger) & the fan operation.

Check gas leakage.

Repair gas leak.

Replacement of unit if the unit is beyond repair.

Satisfactory operation with temperature difference of inlet & outlet air 44.6~50˚ F (7~10˚ C)

Check heat load increase.

Unexpected residue

Overloaded Circuit

Check of inside gas pressure.

Adjusting of refrigerant charge

Malfunction of compressor

Replacement of compressor

Copyright ©2008 LG Electronics. Inc. All right reserved.

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Only for training and service purposes

LGE Internal Use Only

 

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Contents SVC Manual Model LP091CEM-Y8 SpecificationSleeve and the Rear Grille Features and BenefitsQuick Heater Recovery Door Switch/Occupancy SensorOutdoor Air Temperature Switchover Temperature limitsCooling only Model Control LocationsOperation Electric Heating Model VentilationAdditional Controls Temperature LimitingAdditional Controls Removing the Front GrilleRemote Wall Thermostat REMOTE/LOCAL ControlEnergy Saver Front Desk ControlDisassembly Instructions Mechanical PartsFront Grille Control BOX Electric Heater Electric Heater Model only AIR Handling PartsAxial FAN Cross Flow FANCompressor Electrical PartsShroud Outdoor Motor6 P.C.B Power CordCapillary Tube Refrigeration CycleCondenser EvaporatorLGE Internal Use Only Pulling Vacuum Dimension of sleeve assembly optional InstallationHOW to Install the Unit Dimension of air conditionerWall Sleeve Installation Wall Case Installation DataGeneral Installation of Wall Case in Wall Opening Preparation of the Front GrillePreparation of the Wall Case for All Types of Construction LGE Internal Use Only Sub-Base Connected Unit Installation 208, 230, and 208/230 Volt Units Electrical SafetyElectrical Requirements Electrical Data for 230/208V ModelDescription Field Installed AccessoriesInstallation Control Panel Key LockHazardous Voltage Condensate Disposal Pump Kit InstallationPlace the top cover assembly back into the unit Spraying Architectural Grille Architecture Grille Aluminum Single PackCondensate Drain kit Drain InstallationOutdoor Drain Kit Installation Outdoor Drain Kit InstallationIndoor Drain Kit Installation ChecklistLeveling Legs Leveling Leg Assembly Installation on Wall Sleeve Leveling Leg AssemblyHard Wire Kit Junction Box Kit Installation and Wiring ProcedureUse Copper Conductors Only Volt Units 208/230 Volt UnitsStandard Escutcheon Remote Escutcheon KitSubbase Dimensions Troubleshooting Guide Outside DimensionsPiping System Troubleshooting Guide Fails to Start Complaint Cause Remedy 208/230V 187V 253V Room AIR Conditioner Voltage LimitsComplaint Cause Remedy CN-IDPT Piping DiagramsPart A, there are 3 types Schematic Diagram435300 Exploded ViewEnlarged picture Condenser Outdoor Service Replacement ProcedureJanuary

LP091CEM-Y8 specifications

The LG Electronics LP091CEM-Y8 is a standout portable air conditioning unit designed to deliver comfort and convenience in various settings. This model combines efficiency with advanced technology to provide optimal cooling performance, making it an ideal choice for homeowners and renters alike.

One of the main features of the LP091CEM-Y8 is its cooling capacity, rated at 9,000 BTU. This level of power enables it to effectively cool spaces up to approximately 350 square feet, making it suitable for living rooms, bedrooms, or small offices. The unit also boasts a dehumidifying function, which removes up to 2.3 pints of moisture from the air per hour, ensuring a comfortable environment while reducing the risk of mold and mildew.

The LP091CEM-Y8 incorporates a user-friendly interface that includes an easy-to-read LED display. Users can adjust the temperature and settings using the included remote control, providing added convenience. The unit also features multiple fan speeds, allowing users to customize airflow according to their personal preferences.

A standout technological aspect of this model is its Energy Efficiency Ratio (EER), which provides a measure of its cooling efficiency. The LP091CEM-Y8 is designed to operate efficiently, reducing energy consumption while still delivering powerful cooling performance. This energy-saving feature not only helps lower utility bills but also makes the unit an environmentally friendly option.

Additionally, the LP091CEM-Y8 is equipped with a programmable timer, enabling users to set specific operating times. This feature allows the air conditioner to automatically turn on or off based on the user’s schedule, providing a seamless cooling experience. The unit also includes a washable and reusable air filter, which helps to improve indoor air quality by capturing dust and allergens.

Moreover, its compact and portable design includes caster wheels, making it easy to move the unit from room to room. The sleek and modern aesthetic ensures that it fits well with a variety of interior decors.

In summary, the LG Electronics LP091CEM-Y8 is a powerful, efficient, and user-friendly portable air conditioning unit that provides excellent cooling and convenience. Its advanced features, including a high BTU rating, energy efficiency, and easy mobility, make it an outstanding choice for anyone looking to enhance their indoor comfort.
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