LG Electronics LP121CEM-Y8 manual Room AIR Conditioner Voltage Limits, 208/230V 187V 253V

Page 42

COMPLAINT

CAUSE

REMEDY

 

 

 

Compressor will not run,

Voltage

Check voltage. See the limits on the preceding.

but fan motor runs.

 

page. If not within limits, call an electrician.

 

 

 

 

Wiring

Check the wire connections, if loose, repair or

 

 

replace the terminal. If wires are off, refer to wiring

 

 

diagram for identification, and replace. Check wire

 

 

locations. If not per wiring diagram, correct.

 

 

 

 

Rotary

Check for continuity, refer to the wiring diagram

 

 

for terminal identification. Replace the switch if

 

 

circuit is open.

 

 

 

 

Thermistor

Check the position of knob If not at the coldest

 

 

setting, advance the knob to this setting and

 

 

restart unit.

 

 

Check continuity of the thermistor. Replace

 

 

thermistor if circuit is open.

 

 

 

 

Capacitor (Discharge

Check the capacitor.

 

capacitor before

 

Replace if not within ±10% of manufacturers

 

servicing.)

 

rating. Replace if shorted, open, or damaged.

 

 

 

 

 

 

Compressor

Check the compressor for open circuit or

 

ground. If open or grounded, replace the

 

 

 

 

compressor.

 

 

 

 

Overload

Check the compressor overload, if externally

 

mounted. Replace if open. (If the compressor

 

 

 

 

temperature is high, remove the overload, cool it,

 

 

and retest.)

 

 

 

ROOM AIR CONDITIONER VOLTAGE LIMITS

NAME PLATE RATING

MINIMUM

MAXIMUM

 

 

 

208/230V

187V

253V

 

 

 

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

- 42 -

Only for training and service purposes

LGE Internal Use Only

 

Image 42
Contents SVC Manual Specification Model LP121CEM-Y8Features and Benefits Sleeve and the Rear GrilleTemperature limits Door Switch/Occupancy SensorOutdoor Air Temperature Switchover Quick Heater RecoveryVentilation Control LocationsOperation Electric Heating Model Cooling only ModelRemoving the Front Grille Temperature LimitingAdditional Controls Additional ControlsFront Desk Control REMOTE/LOCAL ControlEnergy Saver Remote Wall ThermostatDisassembly Instructions Mechanical PartsFront Grille Control BOX AIR Handling Parts Electric Heater Electric Heater Model onlyCross Flow FAN Axial FANOutdoor Motor Electrical PartsShroud CompressorPower Cord 6 P.C.BEvaporator Refrigeration CycleCondenser Capillary TubeLGE Internal Use Only Pulling Vacuum Dimension of air conditioner InstallationHOW to Install the Unit Dimension of sleeve assembly optionalWall 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 Electrical Data for 230/208V Model Electrical SafetyElectrical Requirements 208, 230, and 208/230 Volt UnitsControl Panel Key Lock Field Installed AccessoriesInstallation DescriptionCondensate Disposal Pump Kit Installation Hazardous VoltagePlace the top cover assembly back into the unit Spraying Architecture Grille Aluminum Single Pack Architectural GrilleDrain Installation Condensate Drain kitOutdoor Drain Kit Installation Outdoor Drain Kit InstallationIndoor Drain Kit Installation ChecklistLeveling Legs Leveling Leg Assembly Leveling Leg Assembly Installation on Wall SleeveHard Wire Kit Junction Box Kit Installation and Wiring ProcedureUse Copper Conductors Only 208/230 Volt Units Volt UnitsRemote Escutcheon Kit Standard EscutcheonSubbase Part/Location Identification Troubleshooting Guide Outside DimensionsPiping System Troubleshooting Guide Fails to Start Complaint Cause Remedy Room AIR Conditioner Voltage Limits 208/230V 187V 253VComplaint Cause Remedy Piping Diagrams CN-IDPTSchematic Diagram Part A, there are 3 typesExploded View 435300BCondenser Outdoor Service Replacement Procedure Enlarged pictureFebruary