Troubleshooting Guide

Error

Title

Cause of error

Check point & Normal condition

code

 

 

 

 

 

 

 

 

 

• Discharge sensor

• Check the discharge pipe sensor.

33

D-Pipe Temp. High

• Check the install condition for over load.

temp. high

• Check the leakage of refrigerent.

 

 

 

 

 

• Check the SVC V/V open.

 

 

 

 

COMP OFF

115°C(239°F)

LEV OPEN(16PULSE/MIN)

100°C(212°F)

LEV OPEN(10PULSE/MIN)

95°C(203°F)

NORMAL

A2UH243FA0/A2UC243FA0

Check Point

1.Check the install condition for over load.

2.Check the SVC V/V open.

3.Check the leakage of refrigerent.

4.Check the constant compressor.

Error

Title

Cause of error

Check point & Normal condition

code

 

 

 

 

 

 

 

51

Capacitor error

• Over Capacitor com-

• Check the indoor unit capacity.

bination

• Check the combination table

 

 

 

 

 

 

Check Point

1.Check the indoor unit capacity.

2.Check the combination table.

In the tropical model case

single cycle has no error for over capacity.

74Multi type Air Conditioner

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LG Electronics AMNC123DEA0 (LMN120CE), AMNH123APM0(LMAN120HNS) Error Title Cause of error Check point & Normal condition

AMNC093APM0(LMAN090CNS), AMNH123DEA0 (LMN120HE), A2UC243FA0 (LMU240CE), AMNH123APM0(LMAN120HNS), A2UH243FA0(LMU240HE) specifications

LG Electronics has established a prominent position in the HVAC (heating, ventilation, and air conditioning) market with its diverse range of air conditioning units, including models AMNH123APM0 (LMAN120HNS), AMNH123DEA0 (LMN120HE), AMNC123DEA0 (LMN120CE), A2UH243FA0 (LMU240HE), and A2UC243FA0 (LMU240CE). Each of these models is designed to provide efficient cooling and heating solutions, boasting advanced technologies and user-friendly features.

The AMNH123APM0 (LMAN120HNS) model stands out for its energy efficiency, thanks to its inverter technology that adjusts power consumption according to the cooling or heating demand. This feature not only reduces energy costs but also enhances the lifespan of the unit. Additionally, its compact design allows for easy installation in various residential or commercial settings.

Similarly, the AMNH123DEA0 (LMN120HE) offers robust performance with its variable-speed compressor technology. This model ensures precise temperature control and minimal fluctuations, promoting comfort throughout the space. The unit also incorporates a quiet operation mode, making it ideal for bedrooms or offices where noise levels need to be minimized.

The AMNC123DEA0 (LMN120CE) is another compelling choice, featuring a sleek design that fits seamlessly into any décor. It operates efficiently in various weather conditions, maintaining a consistent indoor climate year-round. Its smart diagnostic system simplifies maintenance, allowing for timely troubleshooting and ensuring long-term reliability.

For larger spaces, the A2UH243FA0 (LMU240HE) and A2UC243FA0 (LMU240CE) models provide effective solutions with their powerful cooling and heating capacities. These units are equipped with multi-zone capabilities, allowing users to customize temperatures for different areas of a building. The advanced filtration system in these models captures dust and allergens, improving indoor air quality.

Another noteworthy feature across these models is their SmartThinQ technology, which enables users to control their systems remotely via a smartphone app. This feature not only adds convenience but also facilitates energy management by allowing users to monitor and adjust settings on the go.

In conclusion, LG Electronics offers a range of HVAC solutions with its AMNH123APM0, AMNH123DEA0, AMNC123DEA0, A2UH243FA0, and A2UC243FA0 models. With energy-efficient technology, user-friendly features, and advanced performance capabilities, these air conditioning units are designed to meet the diverse cooling and heating needs of modern consumers while ensuring environmental sustainability.