What does the Gree air conditioner L3 fault code mean

Gree air conditioner shows L3 is DC fan fault external fan fault protection, the specific cause of the fault needs professional service personnel to come to detect and troubleshoot, please click on the self-service report or call Gree national unified after-sales service**4008365315 feedback your needs and suggestions.

Indicates that the compressor exhaust temperature sensor is faulty.

Introduction: Air conditioner is an air conditioner, which regulates temperature and humidity, and hang-on air conditioner is a unit used to provide treatment for air temperature changes in a space area (generally closed). Its function is to adjust the parameters such as temperature, humidity, cleanliness and air flow rate of the air in the room (or enclosed space or area) to meet the requirements of human comfort or process.

Working principle: the water in the water tank is pumped out uninterruptedly with a circulating water pump, and evenly sprayed on the evaporation filter layer through the water distribution system, the outdoor hot air enters the evaporation cooling medium, and the heat exchange is fully carried out with the water in the evaporation cooling medium CLEDEK (honeycomb filter layer of special material, so that the cooling effect is more ideal, Sweden's high-tech patented product), and the cool and clean air cooled by water evaporation and heat absorption is pressurized into the room by the low-noise fan, so that the indoor hot air is discharged to the outside. So as to achieve the purpose of indoor cooling.

Scope of application: 1. The application of environmental protection air conditioning in the society is crowded or the use time is short and needs to be cooled quickly, such as: auditoriums, conference rooms, churches, schools, canteens, gymnasiums, exhibition halls, shoe factories, garment factories, toy factories, vegetable markets, etc.;

2. Places with strong polluting gas odor and large dust, such as: hospital halls, waiting rooms, kitchens, chemical plants, plastic factories, electronics factories, chemical fiber factories, tanneries, spraying screen printing factories, rubber factories, printing and dyeing factories, textile factories, breeding factories, etc.;

3. Production sites with heating equipment or high temperature, such as: machining, injection molding, electroplating, metallurgy, printing, food processing, glass, home appliances and other production workshops: shopping malls, supermarkets, playgrounds, casinos, and waiting rooms that need to be opened; It is suitable for agricultural research and cultivation centers or bases.

There are several reasons why Gree air conditioner shows L3:

1. Check whether the pins are loose, the contact is poor or the wire is broken, the temperature signal is lost after loosening, and the system will not work.

2. Check whether the temperature sensor of the indoor unit is damaged, there will be no temperature signal if the sensor is broken, and the sensor can be replaced.

3. Check whether the filter screen of the indoor unit is blocked, clean the filter screen, and the specific operation steps are as follows:

1. Turn on the air conditioner panel.

2. Pull and hold the air conditioner filter.

3. Remove the air conditioner filter.

4. Clean the air conditioner filter.

5. Replace the air conditioner filter.

Gree air conditioner. There are several reasons why L3 is displayed:

1. Check whether the pins are loose, the contact is poor or the ridge search is broken, the temperature signal is lost after loosening, and the system will not work.

2. Check the temperature sensor of the indoor unit.

Whether it is damaged, there will be no temperature signal if the sensor is broken, and the sensor can be replaced.

3. Check whether the filter screen of the indoor unit is blocked, clean the filter screen, and the specific operation steps are as follows:

1. Open the air conditioner's cherry ruler panel.

2. Pull and hold the air conditioner filter.

3. Remove the air conditioner filter.

4. Clean the air conditioner filter.

5. Replace the air conditioner filter.

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Gree air conditioner L3 is a frequency converter outdoor unit, DC fan motor fault protection**.

Solution: 1. First, check whether the winding of the DC motor of the outdoor fan has an abnormal resistance value such as open circuit, and replace the outdoor fan motor directly if it is abnormal. 2. If the resistance value is not abnormal, check whether the fan plug-in line is not in good contact or whether the motor line is disconnected.

3. If there is no abnormality in the above two parts, it is recommended to replace the motherboard of the outdoor unit.

It is best to have a professional maintenance person do the repair.

L3 fault** is the DC fan fault prompt of Gree Air Conditioner. The causes of this fault include poor pin contact, abnormal internal control circuit board, and fan motor failure. Here's the specific instructions::

1. Check whether the pins are loose, poor contact or broken wire, reconnect and fix the line before trying to turn it on;

2. Check whether the fan motor is faulty, if the fan motor does not rotate, it may be that the motor is burned out and needs to be replaced;

3. Check whether the main control circuit board is faulty, if the circuit board fails, the circuit board needs to be replaced.

4. The second and third points are that because the air conditioning parts need to be replaced, it is recommended to apply to the air conditioning brand for after-sales maintenance by professionals.

5. The above answer is applicable to most models of Gree air conditioner.

The L3 failure of Gree air conditioner generally refers to the failure of the indoor unit. Reasons may include the following:

1.Faulty indoor coil temperature sensor: The indoor coil temperature sensor is damaged or loosely connected, resulting in the air conditioner being unable to sense the indoor temperature correctly.

2.Indoor power board failure: The internal components of the indoor power board are damaged, resulting in abnormal voltage or loss of control.

Here's how to fix it:

1.Turn off the power of the air conditioner and restart it after it cools down to see if that solves the problem.

2.Check whether the indoor coil temperature sensor is firmly connected, and reinsert it if it is loose; If the sensor is damaged, it needs to be replaced.

3.Check whether the indoor power strip is visibly damaged, such as burning, falling off, etc., and replace the indoor power strip if necessary.

4.Check whether the indoor cluster fan is rotating normally, and if there is any abnormality, the indoor fan needs to be cleaned or replaced.

If the above methods cannot solve the problem, it is recommended to contact Ye Zhengkai of Gree after-sales service center and have professional and technical personnel repair it.

If you have any questions about air conditioning, you can consult Gree! Over the years, Gree Electric has continuously optimized the quality management system, innovated the quality control model, promoted the reengineering of the system process, and built a unique "Let the world fall in love with Made in China" Gree perfect quality management model, which effectively solves the problem of the path and method of quality innovation of the organization, and promotes the continuous improvement of the quality level of the enterprise. In 2018, Gree Electric won the 3rd China Quality Award for its adherence to quality.