LG Electronics LCN240CP service manual Troubleshooting CH32, CH33, Constant

Page 44

Troubleshooting Guide

TroubleshootingCH32,CH33

Display

Title

 

Cause of error

Check point & Normal condition

code

 

 

 

 

 

 

 

 

 

 

 

D-pipe (Inverter)

 

• Check the discharge pipe sensor for INV.

 

• Discharge sensor

• Check the install condition for over load.

32

temp. high

 

 

(105°C(221°F)

)

(Inverter) temp. high

• Check the leakage of refrigerant.

 

 

• Check the SVC V/V open.

 

 

 

 

 

 

 

 

 

 

D-pipe (Constant)

 

• Check the discharge pipe sensor for Cons.

 

• Discharge sensor

• Check the install condition for over load.

33

temp. high

 

 

(Cons.) temp. high

• Check the leakage of refrigerant.

 

(105°C(221°F)

)

 

 

• Check the SVC V/V open.

 

 

 

 

 

 

 

 

 

 

105°C

COMP OFF

 

(221°F)

 

 

 

95°C

LEV OPEN/Hz down

 

(203°F)

LEV OPEN/Hz down

 

90°C

 

 

 

(194°F)

NORMAL

 

 

 

 

 

 

 

Inverter

Check Point

•CH 32

1.Check the install condition for over load.

2.Check the SVC V/V open.

3.Check the leakage of refrigerant.

105°C

COMP OFF

(221°F)

 

90°C

LEV OPEN

(194°F)

LEV OPEN

80°C

 

(176°F)

NORMAL

 

 

Constant

•CH 33

1.Check the install condition for over load.

2.Check the SVC V/V open.

3.Check the leakage of refrigerant.

4.Check the constant compressor. (same with CH21)

44Ceiling Cassette Air Conditioner

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Contents Ceiling Cassette Air Conditioner Table of Contents Models List Indoor unitsOutdoor units Local model nameSafety Precautions InstallationDo not install, remove, or re Defective installation standOperational Do not let electric parts of the product get wetBe cautious that water could not enter the product Keep level even when installing the product ThinnerUse two or more people to lift and transport the product Do not step on or put anyting on the product. outdoor unitsFeatures & Benefits Swirl Swing Space ControlAuto Restart Operation Two Thermistor ControlTime Delay Safety Function Zero Standby PowerHigh Ceiling Operation Water Drain PumpList of Functions Ceiling CassetteNd F Button Function of Remote ControlWireless LCD Remote Control Wired LCD Remote Control Specifications Indoor unit type Ceilling Cassette 4way ModelAT-C243HLFO AT-C343HLFO Dimensional Drawings Model No. LCN240CP/LC240CPI/LCN340CP/LC340CPIModel No. LCU240CP/LC240CPO Model No. LCU340CP/LC340CPO Wiring Diagrams Indoor UnitOutdoor Unit LCU340CP/LC340CPORefrigerant Cycle Diagrams Cooling Only ModelsInstallation Select the best locationIndoor Unit Outdoor UnitIndoor Unit Installation Settlement of outdoor unitWiring Connection 24k/34k Btu/h 1Ø Cooling & Heating typeInstallation of Decoration Panel Air conditioner unit Piping sideHeat Insulation and pipings Heat InsulationDrain test Drain Pipe WorkDrain Piping of Ceiling Cassette Precautions in Test RUN Test runningConnection of power supply Evaluation of the performanceOptional Operation Two Thermistor SystemAdjusting air volume to the height of ceiling ProcedureWiring design Remote ControllerTrouble analysis Troubleshooting GuideCycle Troubleshooting Guide Electronic Parts Troubleshooting Guide TroubleProduct doesnt operate with the remote controller When cooling does not operate When indoor Fan does not operate Trouble 5 When Vertical Louver does not operate Indoor Error Outdoor ErrorError Indicator Self-diagnosis FunctionTroubleshooting CH01, CH02, CH06 Check PointTroubleshooting CH03 Troubleshooting CH04 Troubleshooting CH05, CH53 Troubleshooting CH24, CH25 Troubleshooting CH32, CH33 ConstantTroubleshooting CH41, CH44, CH45, CH46, CH47, CH65 Troubleshooting CH51, CH60 Troubleshooting CH61, CH62 Way Valve Way Valve Liguid Side Way Valve Gas SideProcedure Pumping downAir purging of the charge hose Set the liquid side valve to the closed positionAll amount of refrigerant leaked Mount the valve caps and the service port capsEvacuation Mount the valve stem nuts and the service port nut Gas ChargingAfter Evacuation Connect the gauge to the charging cylinderElectronic Control Device Main P.C.B ASMExploded View and Replacement Parts List Model No. LCN240CP/LCN340CPParts List Description RemarksModel No. LCU240CP Description Remarks LCU240CP / LC240CPO Model No Description Remarks LCU340CP / LC340CPO Model No. PT-CDC1 Description Remarks PT-CDC1 No A20911A

LCN240CP specifications

LG Electronics has long been a leading player in the home appliance market, renowned for its innovative approach to technology and design. One of its standout products is the LG LCN240CP, a state-of-the-art refrigerator that embodies the brand's commitment to quality and performance.

The LG LCN240CP refrigerator features a sleek and modern design, making it an attractive addition to any kitchen. With a generous capacity, it provides ample storage space for all your food and beverages. Its thoughtfully designed interior organizes food efficiently, allowing consumers to access items easily while maximizing space.

One of the standout technologies in the LG LCN240CP is its Smart Inverter Compressor. This advanced feature ensures optimal cooling performance while reducing energy consumption. The compressor adjusts its speed in response to varying demands, helping to maintain the desired temperature without the energy waste associated with traditional compressors. As a result, users benefit not only from improved food preservation but also from lower energy bills.

Another impressive characteristic of the LG LCN240CP is its Smart Diagnosis feature. This enables users to troubleshoot potential issues quickly via a smartphone app. By simply following the prompts, users can identify and resolve problems effectively, minimizing downtime and inconvenience.

The refrigerator also comes equipped with LG's ThinQ technology, providing smart-home integration capabilities. This feature allows users to control settings and receive alerts from their smartphones, ensuring that they can manage their appliance effortlessly from anywhere.

In terms of temperature management, the LG LCN240CP boasts a Multi Air Flow system. This system circulates cool air evenly throughout the refrigerator, helping to maintain consistent temperatures and extending the freshness of food items. Additionally, the refrigerator includes an external water and ice dispenser, providing convenient access to chilled water and ice cubes.

The interior of the LG LCN240CP is designed with user convenience in mind. Adjustable shelves, door bins, and humidity-controlled crispers help maintain optimal storage conditions for various food types. Its stainless-steel finish offers not only durability but also a modern aesthetic that appeals to contemporary homeowners.

In summary, the LG Electronics LCN240CP refrigerator combines energy-efficient technology, advanced smart features, and user-friendly design. With its impressive capacity and smart functionalities, it represents a perfect choice for those looking to upgrade their kitchen appliances and enhance their food storage capabilities.
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