4.3 TROUBLESHOOTING GUIDE

In general, possible trouble is classified in two causes.

The one is called Starting Failure which is caused from an electrical defect, and the other is Ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper application.

Unit is running but cooling is ineffective

Ineffective Cooling

Check cold air circulation for smooth flow.

Dirty indoor coil (Heat exchanger)

Malfunction of fan

Clogged air filter

Obstruction at air outlet

Stop auto air-swing

Correct above troubles

Check clogging in refrigeration circuit.

Repair clogging in refrigeration circuit.

Check outdoor coil

(heat exchanger) & the fan operation.

Check gas leakage.

Repair gas leak.

Replacement of unit if the unit is beyond repair.

Satisfactory operation with temperature difference of inlet & outlet air ; 44.6~50˚F

Check heat load increase.

Unexpected residue

Overloaded Circuit

Check inside gas pressure.

Adjusting of refrigerant charge

Malfunction of compressor

Replacement of compressor

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LG Electronics LT080CSG, BG-101A, BG-123A, BG-81A, LT121CSG, LT1230CR service manual Troubleshooting Guide

LT121CSG, BG-123A, BG-101A, LT1230CR, BG-81A specifications

LG Electronics is renowned for its cutting-edge home appliances and electrical devices, and its range of air conditioning units is no exception. Among the standout models are the LT080CSG, BG-81A, LT1230CR, BG-101A, and BG-123A. Each model showcases a blend of advanced technology, user-friendly features, and energy efficiency.

The LG LT080CSG is a compact wall-mounted air conditioning unit designed for smaller spaces. It includes a high-efficiency inverter compressor that provides consistent cooling while minimizing energy consumption. The LT080CSG features a sleek design and quiet operation, making it an ideal choice for bedrooms or home offices. Its easy-to-use remote control allows users to adjust settings from anywhere in the room.

The BG-81A is a versatile portable air conditioner that offers great flexibility in cooling. With its movable design, it provides comfort wherever needed without the constraints of permanent installation. The BG-81A is equipped with a programmable timer and multiple fan speeds, enabling users to customize their cooling experience. Its self-evaporative system enhances efficiency by reducing the need for constant drainage.

Next in line is the LT1230CR, a powerful split air conditioning system capable of providing efficient cooling for larger areas. This model integrates advanced inverter technology that adjusts the compressor speed according to the temperature, ensuring an optimal indoor climate while saving energy. The LT1230CR also features a fast cooling mode, facilitating quick temperature adjustments in hot weather conditions.

The BG-101A is another standout portable option, offering a blend of utility and performance. Designed with a sleek exterior, it boasts an easy-to-use LED display and eco-friendly refrigerant that contributes to lower environmental impact. The BG-101A includes a dehumidifying function, making it particularly useful in humid climates. Its filter is washable, ensuring easy maintenance and long-lasting performance.

Lastly, the BG-123A is designed for both portability and high performance. It harnesses LG’s advanced cooling technologies to deliver powerful air flow and quick cooling capabilities. With a lightweight design and caster wheels, the BG-123A can easily move between rooms. This model also emphasizes quiet operation, making it suitable for any environment without disrupting activities.

Together, these LG air conditioning models exemplify the brand's commitment to innovation and customer satisfaction, offering smart solutions for various cooling needs while ensuring ease of use and energy efficiency.