LG Electronics LCN240CP Self-diagnosis Function, Indoor Error, Outdoor Error, Error Indicator

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Troubleshooting Guide

Self-diagnosis Function

Error Indicator

The function is to self-diagnoisis airconditioner and express the troubles identifically if there is any trouble.

Error mark is ON/OFF for the operation LED of evaporator body in the same manner as the following table.

If more than two troubles occur simultaneously, primarily the highest trouble fo error code is expressed.

After error occurrence, if error is released, error LED is also released simultaneously.

To operate again on the occurrence of error code, be sure to turn off the power and then turn on.

Having or not of error code is different from Model.

Indoor Error

Error code

Description

MPS

MPS

LED 1

LED 2

Indoor

Variable

Inverter

(Red)

(Green)

Status

 

 

 

 

 

 

 

 

 

00

No Error

 

 

 

 

ON

 

 

 

 

 

 

 

01

Indoor Room Thermistor Error

 

 

 

1 time

OFF

 

 

 

 

 

 

 

02

Indoor In-Piping Error

 

 

 

2 times

OFF

 

 

 

 

 

 

 

03

Remote controller Error

 

 

 

3 times

OFF

 

 

 

 

 

 

 

04

Drain Pump Error

 

 

 

4 times

OFF

 

 

 

 

 

 

 

05

Communication Error between In and Out

 

 

 

5 times

OFF

 

 

 

 

 

 

 

06

Indoor Out-Piping Error

 

 

 

6 times

OFF

 

 

 

 

 

 

 

Outdoor Error

Error Code

Description

MPS

MPS

LED 1

LED 2

Indoor

Variable

Inverter

(Red)

(Green)

Status

 

 

 

 

 

 

 

 

 

21

DC Peak(IPM Fault)

 

 

2 times

1 time

ON

 

 

 

 

 

 

 

22

CT2(Max CT)

 

 

2 times

2 times

OFF

 

 

 

 

 

 

 

23

DC Link Low Volt

 

 

2 times

3 times

OFF

 

 

 

 

 

 

 

24

High/Low Pressure/Heatsink Switch

 

 

2 times

4 times

OFF

 

 

 

 

 

 

 

25

Low Voltage / Over Voltage

 

 

2 times

5 times

OFF

 

 

 

 

 

 

 

26

DC COMP Position Error

 

 

2 times

6 times

OFF

 

 

 

 

 

 

 

27

PSC Fault Error

 

 

2 times

7 times

OFF

 

 

 

 

 

 

 

28

DC Link High Volt

 

 

2 times

8 times

OFF

 

 

 

 

 

 

 

32

D-Pipe High(INV)

 

 

3 times

2 times

OFF

 

 

 

 

 

 

 

33

D-Pipe High(Normal)

 

 

3 times

3 times

OFF

 

 

 

 

 

 

 

40

CT Sensor(open/short)

 

 

4 times

 

OFF

 

 

 

 

 

 

 

41

INV. D-Pipe Thermistor Error(Open/Short)

 

 

4 times

1 times

OFF

 

 

 

 

 

 

 

44

Outdoor Air Thermistor Error(Open/Short)

 

 

4 times

4 times

OFF

 

 

 

 

 

 

 

45

Cond Pipe Thermistor Error(Open/Short)

 

 

4 times

5 times

OFF

 

 

 

 

 

 

 

46

Suction Pipe Thermistor Error(Open/Short)

 

 

4 times

6 times

OFF

 

 

 

 

 

 

 

47

Const. D-Pipe Thermistor Error(Open/Short)

 

 

4 times

7 times

OFF

 

 

 

 

 

 

 

51

Capcity Error(High/Low)

 

 

5 times

1 times

OFF

 

 

 

 

 

 

 

53

Signal Error(Indoor_Outdoor)

 

 

5 times

3 times

OFF

 

 

 

 

 

 

 

54

Phase Error

 

 

5 times

4 times

OFF

 

 

 

 

 

 

 

60

EEPROM Check Sum Error

 

 

6 times

 

OFF

 

 

 

 

 

 

 

61

Cond Pipe High

 

 

6 times

1 times

OFF

 

 

 

 

 

 

 

62

Heatsink High

 

 

6 times

2 times

OFF

 

 

 

 

 

 

 

63

Cond Pipe Low

 

 

6 times

3 times

OFF

 

 

 

 

 

 

 

65

Heatsink Thermistor Error(Open/Short)

 

 

6 times

5 times

OFF

 

 

 

 

 

 

 

38Ceiling Cassette Air Conditioner

Image 38
Contents Ceiling Cassette Air Conditioner Table of Contents Outdoor units Models ListIndoor units Local model nameSafety Precautions InstallationOperational Do not install, remove, or reDefective installation stand Do not let electric parts of the product get wetBe cautious that water could not enter the product Use two or more people to lift and transport the product Keep level even when installing the productThinner Do not step on or put anyting on the product. outdoor unitsFeatures & Benefits Auto Restart Operation Swirl SwingSpace Control Two Thermistor ControlHigh Ceiling Operation Time Delay Safety FunctionZero Standby Power 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 ModelsIndoor Unit InstallationSelect the best location 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 SystemWiring design Adjusting air volume to the height of ceilingProcedure 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 Error Indicator Indoor ErrorOutdoor Error 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 SideAir purging of the charge hose ProcedurePumping down Set the liquid side valve to the closed positionAll amount of refrigerant leaked Mount the valve caps and the service port capsEvacuation After Evacuation Mount the valve stem nuts and the service port nutGas Charging 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.