LG Heating & Cooling - Recent Questions, Troubleshooting & Support


These units are designed for precise cooling and humidity control. They are designed to run all the time. Although your cooling temp may be satisfied your compressor still runs maintaining that temp and dehumidifying as well. These inverters drop down to as low as 30% capacity and remain running which in fact is saving you electricity rather than stopping and starting.

LG Heating &... | Answered 2 days ago


If this is a central AC, the
condensation drips off the cooling coils into a pan. From the pan, it is suppose to either go into a drain directly or into a sump, which in turn pumps it into a drain. Dirt or mold frequently plug the drain out of the pan or the drain line itself. You need to clear the drain with a wire or forced air. If there is a trap in the drain line, it may be plugged. If there is a trap and the line is not draining from the trap into a sewer, then I suggest you remove the trap, which is intended to block sewer gas from coming up the drain line. If it doesn't drain into a sewer, there is no sewer gas to block and the trap is unnecessary. The credulous building code requires the trap, regardless of whether or not the unit drains into a sewer.

LG Heating &... | Answered 2 days ago


Error Code 38 on my LG Split Air Conditioner.
I call LG Mexico and they told me a Gas Leak.
Called in the Gas Guy, filled with new Gas and fixed the leak, now the AC works again. Nice.

LG Heating &... | Answered on May 15, 2019


Fault Code 05

This fault code indicates a communication error between the indoor and outdoor units; this is usually caused

by wiring errors or condensate pumps connected to the inter-connecting cable.

The communication between the units is a fluctuating DC voltage commonly called a serial signal, it can be

easily lost if the wiring is not done correctly. If there is a communication error fault CH05 will appear within 5
mins of powering up the system.

LG Heating &... | Answered on May 14, 2019


Please share your model and serial numbers with us so that we can better assist you. Thanks

LG Heating &... | Answered on May 02, 2019


Sounds like it maybe a refrigerant charge problem. Do you have access to refrigerant gauges? Do you also know the model and serial number?

LG Heating &... | Answered on May 02, 2019


Sounds like you may have gotten something wet that shouldn't have during the coil cleaning process. Power unit sounds to be working, but control board may have been damaged.

LG Heating &... | Answered on May 02, 2019


Blower wheel maybe out of balance, loose, debris trapped inside, and faulty bearings on the blower motor.

LG Heating &... | Answered on May 02, 2019


To cancel the Sleep Mode, press the sleep Mode Auto button several times until the star disappears from the operation display.

LG Heating &... | Answered on May 02, 2019


Brahmadas, If you could provide the model and serial number of both the indoor unit and the outdoor unit this would greatly help answer your question.

LG Heating &... | Answered on May 02, 2019

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