Opt2Refrigerant_Type

Refrigerant Type? Please select the refrigerant type used in the unit below…. R134 R600

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WELCOME TO LG’S NO COOL troubleshooting We have developed this website to help you troubleshoot Sealed System Failures more effectively. By answering a few simple questions you can be on the right track to properly diagnosing the exact problem the first time! Let’s get started! ENTER Navigating the site Restarts the troubleshooter Returns to this […]

Decision_06_S25_PSI

Low Pressure? After the Pressures have equalized, is the pressure less than….R134: 40PSI? Or R600: 15PSI? YES NO Keep In Mind… The room temp and internal temp will affect your equalization pressure. The above numbers (R134:40PSI and R600:15PSI) are based off of a 70 degree room and the unit is not cooling at all, meaning […]

Decision_03_S08

Compressor Voltage over 80Vac? If needed, you can run test mode 1 by pressing test button on Main PCB 1 time to force compressor on. Then feel for vibration by hand. In Test Mode the voltage should reach 80Vac within 1 Min of pressing the test mode button. YES NO

Decision_01_S03_Compressor

Compressor runs? Is the compressor running? If needed, you can run test mode 1 by pressing test button on Main PCB 1 time to force compressor on. Then feel for vibration by hand. In Test Mode the voltage should reach 80Vac within 1 Min of pressing the test mode button. YES NO