Opt2R600HighSidePressure?

Tap into the Sealed System. Record your High and Low run pressures, Compressor Amperage, Compressor Voltage, and Freezer / Fridge Temperatures. All these readings are needed for proper diagnosis.   Note: *For Accurate Troubleshooting, the unit needs to have been running for at least 25 Minutes before gathering readings. *All pressures given can be +/- […]

Opt2 Start Page

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

Opt2R134AmpDrawHigh?

At startup Is the Amperage quickly increasing above 1 amp, causing the compressor to shut off with a 6 blink code? YES NO

Opt2R134RestrictionsDecision

RESTRICTION Long equalization time tells us there is a RESTRICTION somewhere in the system. Was the High Side Run Pressure Lower than 50PSI? YES NO

Opt2R134HighSidePressure?

Tap into the Sealed System. Record your High and Low run pressures, Compressor Amperage, Compressor Voltage, and Freezer / Fridge Temperatures. All these readings are needed for proper diagnosis. Note: *  For Accurate Troubleshooting, the unit needs to have been running for at least 25 Minutes before gathering readings. *  All pressures given can be […]

Opt2R134HighSideorUndercharge

You have a High Side Leak or Undercharge. Pressurize with nitrogen to know exactly which problem you have. High Side Leak Article (Click Here) Undercharge Article (Click Here) Note: There have been no reports of Undercharged units coming from the factory. Undercharge normally happens when a sealed system has been worked on before and the […]

Opt2R134equalizationtest

Equalization Test. Disconnect power and monitor your gauges. Do the High and Low pressures equalize in under 10 Minutes? YES NO CLICK HERE FOR AN EQUALIZATION EXAMPLE​