Whether you use wall mounted air conditioner or floor standing, chances are you may see an error code on your master controller. Why these error codes occur? What does these error codes indicate? To answer these questions, you should read this very short and concise article till the end.

Why these error codes occur?

Although there are several reasons that your air conditioner is showing error code. 10 most common of those reasons are described as follow;

1. The air conditioner is out of gas.
2. Wear and tear in older AC units or possible damage due to hitting.
3. Technical faulty.
4. Sudden extreme weather events like storm, heavy rain.
5. Issues with switches and plugs.
6. Tripped circuit breaker.
7. Low local power supply and jerks.
9. Delayed compressor starting upon turning on.
10. Delayed fan starting upon turning on.

Some may be easy to fix and other may be a difficult task. If you figure out that one of these reasons is why your air conditioner is not working properly and showing air code. Then one way is to reset the air conditioner (not using remote) manually by pressing the reset button on the outdoor unit. If you are unable to locate the reset button, then you must look in the provided user manual or call the concerned company’s customer care center. This might save you some service charges. If the error is still showing, you must contact the company’s service center.

What does these error codes indicate?

There are two types of error codes i.e. E – Error Codes and F – Error Codes. These error codes are described as follow.

E – Error Codes

E0 – Indoor Unit over-current protection

E1 – Indoor Unit Room Sensor Error

E2 – Outdoor Unit Condenser Sensor Error

E3 – Indoor Unit Evaporator Sensor Error

E4 – AC or DC Motor Error

E5 – Indoor & Outdoor Unit Communication Error

E8 – Communication Fault between Display Board & PCB Board

Eb – Indoor Unit PCB Error

F – Error Codes

F0 – Outdoor Unit Fan Motor Error

F1 – Outdoor Unit Module Protection Error

F2 – Outdoor Unit PFC Protection Error

F3 – Compressor Start Failure or out-of-step Error

F4 – Outdoor Unit Discharge Sensor Error

F6 – Outdoor Unit Room Sensor Error

F8 – Outdoor Unit Communication Error between PCB & Module Board

F9 – Outdoor Unit PCB Error

These are the error codes that you must know if you are concerned what type of error is in your Air Conditioner, and what work is needed to be done.

 

You might also want to read: 4 Most Common Misconceptions About Air Conditioner

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