Why is my Aircon light blinking? | How much to fix?

Why does your Aircon Light blink?

Depending on the brand and model of your air-conditioner, the act of the aircon light blinking could be an indication that there is an error/issues with your Aircon unit. The number of times it blinks can signify the issues that your Aircon unit is experiencing. However, for Mitsubishi Aircon, it could also mean that the flap is not closed properly. The Aircon servicing technician may not have attached it properly for you after servicing.

 

Nevertheless, for most of your other brands, this is likely an indication of error with the Aircon unit. Do note that for certain brands, a specific number of times of Aircon timer blinking could mean that you need to refer to the error code on the outdoor unit instead.

 

Which brands have Aircon Timer Light?

 

1. Mitsubishi Electric Starmex Aircon Light Blinking

Mitsubishi Electric Starmax is one of the most common brand in Singapore. The aircon timer light blinking could reflects 2 things. Firstly, your air-conditioner flap isn’t closed off properly. Secondly, there is an issue with your Air-Conditioner Unit. A simple way to find out the specific error of your unit is to remove the cover of the Air-Conditioner Indoor Unit. The error code will be indicated on the right side of the fancoil. If you require more information on Mitsubishi Aircon Error Code, do click on the hyperlink to find out.

2. Daikin Aircon Light Blinking

Do you know that Daikin is the most commonly used Aircon worldwide? It has a market share than Mitsubishi Electric worldwide. Hence, Daikin Aircon actually has an advanced error code detection system. The number of times Aircon Timer light is blinking does not indicate on the error itself. In fact, if the Aircon timer starts to blink, you will have to take out your Daikin remote control and press on the ‘cancel’ button. A “00” code will then be displayed. Following which, you have to continue pressing the cancel button until a long beeping sound is heard. That signifies the error code that are linked to it. With that error code, you can refer to the list of Daikin Error Code to find out what is the issue with your Aircon. Additionally, do note that there are times when different fancoil unit will have different error code appearing. This means that there could be multiple issues with your Air-conditioner.

 

3. Panasonic Aircon Light Blinking

Same to Daikin, Panasonic Aircon Timer light blinking indicates that there is an error with the unit. However, the number of times it blinks does not reflect on the error. Similar to Mitsubishi Electric Starmex Aircon, you can take out the fancoil unit and look at the error code indication table inside the right hand side of the fancoil. Do note that you will have to use an authentic panasonic Aircon remote control to figure out the error code. For more information on Panasonic Aircon Error Code click on the hyperlink.

 

4. Fujitsu Aircon Light Blinking

Fujitsu Aircon has a very clear indication of the error the unit has. You can find out the error code simply by recording down the number of times the timer light blinks. Do note that there are are 3 lights on the indoor unit. When there is an error code. The economy light will blink continuously whereas the Timer and Operation light will blink a specific number of times. Do check out our Fujitsu Aircon error code page to know what are some of the common errors with Fujitsu Aircon Error Code. However, for some of the Fujitsu Aircon Error Codes, it only indicate one problem associated to the Aircon unit. The aircon unit might be experiencing multiple issues. As such, another error code might be displayed after fixing one of the problems. Do consult us for more information on what are the likely issue with your Fujitsu Aircon unit.

 

5. LG Aircon Light Blinking

Similar to Fujitsu, LG aircon’s timer light also has a very clear indication of the error code. There ware 2 lights that will be blinking if the air-conditioner unit has some issues. For example, if the top light blinks 2 times and bottom light blink once, it reflects CH21 error code.  You can refer to our LG aircon servicing page to find out some of the most common LG Aircon problems.

 

6. Mitsubishi Heavy Industries Aircon Light Blinking

Similarly, Mitsubishi Heavy Industries Aircon has its error code clearly indicated by the number of times the light blinks. Nonetheless, there are many instances when the number of times the light blinks does not reflects the error accurately. In times like this, our technician may have to check each part individually to find out the exact issue with the Air-Conditioner Unit. If the exact error could not be found, we may have to suggest to the customer to replace the entire condenser unit instead.

 

Most Common Aircon Timer problems

Mitsubishi Electric Aircon Timer blinking 7 times.

If your Mitsubishi Aircon timer light blinks for 7 times, it means that the outdoor unit is having some issues instead. In other words, it basically re-directs the technician to check on the outdoor unit. The outdoor unit will then have another set of lights to indicate the error it has on the outside unit.

 

Daikin U4 Error Code.

After finding out the error code by using the remote control, Daikin U4 Error Code refers to communication error. It could be the indoor pcb, outdoor pcb or even the wiring that is defective.

 

Fujitsu Aircon Operation Light blinks 7 times; Timer Light blink once.

This indicates that there is an error with Fujitsu’s Outdoor Discharge Thermistor. However, as mentioned earlier, there could be a few parts that are malfunctioning instead.

 

Midea P4 Error Code.

Midea Aircon will not have its lights blinking. In contrast, Midea P4 Error Code is an indication that there is an inverter compressor drive error. Either the compressor or pcb is malfunctioning.