Check out the displayed error codes on the indoor unit air conditioner (2024)

FAQs

What are error codes in AC? ›

System error codes are provided to software programmers as part of the programming interface with the Windows operating system. In other words, they are predefined error codes and messages that programmers can use with their software to tell you (the user) that the program is experiencing a particular problem.

Meaning of error code in English

a number that appears on a computer screen to show that you have made a particular mistake or that something has gone wrong in a program: Error code 7 keeps coming up on my monitor.

If your AC unit has a reset button on the condenser unit, you simply press it and hope that the problem resolves. Look for it first around on the exterior of your machine, especially along the bottom edge near the ground. An AC's reset button is typically red and visible, so it should be easy to spot.

The compressor and fan controls can wear out, especially when the air conditioner turns on and off frequently, as is common when a system is oversized. Because corrosion of wire and terminals is also a problem in many systems, electrical connections and contacts should be checked during a professional service call.

Common Reasons Why Your Air Conditioner is Not Turning On

Resetting your thermostat is often all that's necessary to get it working again. A tripped circuit breaker is another common reason why your AC won't turn on.

Turn off your air conditioning system. Locate the reset button on the thermostat's circuit board. Use a soft bristle brush to gently remove any dust or debris that may have accumulated on the thermostat components. Press and hold the reset button for 5-10 seconds until the display goes blank.

General Reasons for Errors

There are several reasons why your air conditioner might be showing up errors, but most of the general reasons are: Your unit is out of gas. Due to wear and tear (for old units) Technical faults.

What is the error code F9 on an air conditioner? ›

An F9 error code typically indicates a problem with the outdoor unit or the PCB board. It includes electrical problems, faulty sensors, or malfunctioning compressor. It is important to fix the issue before it leads to further damage of the Aircon.

An E01 error on the Smart AC Control indicates a timeout issue with the Wi-Fi connection. In most cases, the connection fails due to an incorrect Wi-Fi password.

In short, a 400 error is about a bad request, while a 404 error is about a missing resource. A “404 Not Found” error can be cached based on HTTP headers like “Cache-Control” and “Expires”. While a “400 Bad Request” error should not be cached because it could lead to valid subsequent requests being incorrectly rejected.

The standard way to indicate an error situation in C is to provide this information via the return value of a function. To provide additional error information, legacy C functions often set the errno variable (see errno. h) to a specific error code. The caller can then check errno to get information about the error.

When the air conditioner displays the E1 code on the display panel and won't turn on, it means the room thermistor (a device connected to the thermostat that detects the room temperature) is shorted or defective. Most of these cases need to be handled by an authorized repair person.