The air conditioning system is considered one of the most essential household appliances. If you are living in a hot climate or tropical area. In today’s article, we will discuss the issue of the air conditioner E4 error message and how to fix it.
Air conditioner error E4:
The E4 error code in your air conditioner indicates that the air conditioning unit needs to defrost. The reason why it shows the error messages is because if the coils of the air conditioner become too cold and frosted due to a lack of refrigerant or air sensor failure. Cleaning can solve the issue.
The air conditioning system is considered one of the most essential appliances that are found in almost every household.
Generally, if you are living in a tropical or hot climate area, you will need to have an air conditioner in your house to maintain the temperature inside of it. Most people tend to have a central air conditioning unit or a conditioning unit for each room.
What does air conditioner error E4 mean?
Due to prolonged use, your air conditioning unit may start to show many issues. One of the common issues that most of the owners’ face, is the E4 error code.
Generally, the E4 error code indicates that the air conditioner needs to defrost. The reason why the air conditioning unit needs to defrost is that when the coils of your air conditioners become too cold and frosted.
It will be needed to defrost the air conditioner to take it back to its previous condition. However, it is very easy and simple to fix the issue if you have minimum expertise and are ready to put effort to fix your air conditioning unit.
Why does your air conditioner go into defrost mode?
The air conditioning unit is considered a necessary appliance that is available in most households. People use different types of air conditioning units in their houses to maintain the temperatures of the rooms.
It is very important to have an air conditioning unit if you are living in a tropical area or hot climate area.
Since the air conditioning unit is an electronic appliance due to prolonged use, the air conditioning unit may start to expose many issues. Generally, when the air conditioning unit faces any issue, it starts to show an error code.
One of the common issues that are caused by the air conditioning units is the E4 error code.
Generally, the E4 error code indicates that the air conditioning unit is facing problems operating because the coils of the air conditioning unit have become too much frosted and cold.
Generally, this issue happens due to a lack of refrigerant or air sensor failure in the air conditioning unit. However, below is a brief discussion on why the air conditioning unit goes into defrost mode:
The outdoor unit gets too cold:
One of the common reasons why the air conditioner goes into defrost mode is because the outdoor unit that is kept outside your house may get too much cold.
That is why it is very normal for the air conditioning unit to go into defrost mode and show the e4 code.
Coil covered in ice:
Another reason why the air conditioner may go into defrost mode is that it contains a coil that may get covered in ice. That is why it needs to be on defrost mode to melt the ice.
Lack of heat:
Due to the lack of heat that is required to sustain the normal condition of your air conditioning unit, it needs to go on defrost mode. However, it does not take much longer to defrost the air conditioner.
How do you fix air conditioner error E4?
The air conditioning unit is an essential part of your household appliances that are required to run frequently to maintain the temperature of your house.
Generally, if you’re living in a tropical or hot climate area, you need to have an air conditioning unit to maintain the temperature inside of your house.
In addition to that, the air conditioning unit is a high electricity consuming appliance that is needed to be run using the proper power supply to sustain its performance.
Since the air conditioner is an electronic appliance due to prolonged use, the air conditioning unit may have many issues. If the air conditioner faces any issue while operating, it will show you an error message.
One of the common issues that most owners face when operating an air conditioning unit is the E4 error code.
Generally, the E4 error code indicates that the air conditioning unit is facing problems operating because the coils of the air conditioning unit are too frosted and cold.
This issue happens due to a lack of refrigerant or air sensor failure. Below is a brief discussion on how you fix air conditioner error E4:
Check the air sensor:
The first thing you need to do to fix the E4 error code is to check the air sensor of your air conditioner to make sure if it has a failure or not. You should also check the refrigerant and in sure if it has an adequate amount of refrigerant in it.
Change the air filter:
The next thing you need to do to fix the E4 error code is to clean the air filter of your air conditioner or replace it with a newer one. In most cases, the main issues in the air conditioners may hide in the air filter.
So, it is important to clean them with the assistance of a professional mechanic to get rid of such type of issues and maintain the condition of your air conditioner.
Clean evaporator and condenser coil:
It is highly recommended to clean the evaporator of your air conditioner as well as the condenser coils annually to maintain the condition of your air conditioner and avoid any error codes showing up.
In addition to that, you should also check the refrigerant levels of your air conditioner to make sure that they are working properly.
If the refrigerant levels are low, you can simply call a professional EPA-licensed AC technician to check and refill them.
Check the power supply:
Sometimes you need to check the power supply or the connectivity lines to make sure there are no leaks or damages in the wires that are causing the air conditioner to show such type of issues.
What to do if your air conditioner shows error E4?
The air conditioner is a frequently used household appliance. Due to prolonged use, it is normal for the air conditioners to expose different types of problems are issues.
There are a variety of air conditioner brands available in the market and most of them can show the same type of issue if they face any problem. However, the fixing technique for all the air conditioning units may not be the same.
That is why you need to follow the proper guidelines or read the user manuals of your air conditioning units to get rid of these types of issues. In most cases, the E4 error issue is associated with the air filter of the air conditioner or the air sensor failure.
It can also cause due to inadequate power supply. You should always follow the right techniques to fix the air conditioner E4 error issue. Below is a brief discussion on what to do if different brands of air conditioner show error E4:
Frigidaire air conditioner:
You can unplug the Frigidaire air conditioner from the electrical outlet for 15 seconds and then immediately plug it back into the wall outlet to fix the E4 error issue.
GE air conditioner:
The experts recommend changing or cleaning the air filters and check the refrigerant levels to get rid of the E4 seater issue in the GE air conditioner.
LG air conditioner:
To fix the E4 error issue in the LG air conditioner, you need to clean the evaporator and condenser coils of the air conditioning unit annually.
Haier air conditioner:
If the Haier air conditioning unit is showing the E4 error message, it indicates that the air conditioner is entering defrost mode. In such cases, you need to check the electrical power supply.
Samsung air conditioner:
If the Samsung air conditioner is showing you the E4 error, you need to fix the air conditioning unit with the assistance of an EPA-licensed AC technician.
Carrier air conditioner:
In most cases, the effort error issue in the carrier window essay is due to the short Circuit of the outdoor unit temperature sensor.
That is why you need to immediately fix the issue of the E4 error code to sustain the performance of your air conditioner.
Final Thoughts
Generally, the E4 error code in air conditioners is caused due to lack of refrigerant or air sensor failure. It indicates that the air conditioner has entered defrost mode. Once defrosted, the air conditioner will get back to normal operation to provide you with fresh chilled air.