LG Electronics LCN240CP service manual Troubleshooting CH04

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Troubleshooting Guide

TroubleshootingCH04

Display

Title

Cause of error

Check point & Normal condition

code

 

 

 

 

 

 

 

 

 

 

• The connection of wire(Drain pump/ Float switch)

04

Drain pump

• Float switch Open.

• Drain pump power input. (220V)

/ Float switch

(Normal : short)

• Drain tube installation.

 

 

 

 

• Indoor unit installation. (Inclination)

 

 

 

 

CN Float

0

Check the resistance

Check Point

1.Check the wire connection. (Open, Soldered poorly) Repair the connection or change the PCB.

2.Check the resistance of float switch (Abnormal : Open, Normal : short) Check the float switch.

3.Check the level of water

4.Check the volt. Of Drain pump power supply. (AC 230V) Repair or Change the main PCB.

Service Manual 41

Image 41
Contents Ceiling Cassette Air Conditioner Table of Contents Indoor units Models ListOutdoor units Local model nameInstallation Safety PrecautionsDefective installation stand Do not install, remove, or reOperational Do not let electric parts of the product get wetBe cautious that water could not enter the product Thinner Keep level even when installing the productUse two or more people to lift and transport the product Do not step on or put anyting on the product. outdoor unitsFeatures & Benefits Space Control Swirl SwingAuto Restart Operation Two Thermistor ControlZero Standby Power Time Delay Safety FunctionHigh Ceiling Operation Water Drain PumpCeiling Cassette List of FunctionsNd F Button Function of Remote ControlWireless LCD Remote Control Wired LCD Remote Control Indoor unit type Ceilling Cassette 4way Model SpecificationsAT-C243HLFO AT-C343HLFO Model No. LCN240CP/LC240CPI/LCN340CP/LC340CPI Dimensional DrawingsModel No. LCU240CP/LC240CPO Model No. LCU340CP/LC340CPO Indoor Unit Wiring DiagramsLCU340CP/LC340CPO Outdoor UnitCooling Only Models Refrigerant Cycle DiagramsSelect the best location InstallationIndoor Unit Outdoor UnitSettlement of outdoor unit Indoor Unit Installation24k/34k Btu/h 1Ø Cooling & Heating type Wiring ConnectionAir conditioner unit Piping side Installation of Decoration PanelHeat Insulation Heat Insulation and pipingsDrain test Drain Pipe WorkDrain Piping of Ceiling Cassette Test running Precautions in Test RUNEvaluation of the performance Connection of power supplyTwo Thermistor System Optional OperationProcedure Adjusting air volume to the height of ceilingWiring design Remote ControllerTrouble analysis Troubleshooting GuideCycle Troubleshooting Guide Trouble Electronic Parts Troubleshooting GuideProduct 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 Outdoor Error Indoor ErrorError Indicator Self-diagnosis FunctionCheck Point Troubleshooting CH01, CH02, CH06Troubleshooting CH03 Troubleshooting CH04 Troubleshooting CH05, CH53 Troubleshooting CH24, CH25 Constant Troubleshooting CH32, CH33Troubleshooting CH41, CH44, CH45, CH46, CH47, CH65 Troubleshooting CH51, CH60 Troubleshooting CH61, CH62 Way Valve Liguid Side Way Valve Gas Side Way ValvePumping down ProcedureAir 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 Gas Charging Mount the valve stem nuts and the service port nutAfter Evacuation Connect the gauge to the charging cylinderMain P.C.B ASM Electronic Control DeviceModel No. LCN240CP/LCN340CP Exploded View and Replacement Parts ListDescription Remarks Parts ListModel 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.