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Smart AC Solutions
Troubleshoot

Daikin Ftxs09Lvju Blinking Green Light

ByRalph P. Sita Updated onFebruary 5, 2025

The Daikin FTXS09LVJU air conditioner is designed for energy efficiency and optimal functionality, as indicated by its blinking green light during operation. This light signifies that the compressor motor is actively circulating refrigerant, effectively cooling your home or office space. Additionally, the blinking serves as an essential reminder to clean or replace air filters regularly, ensuring top performance and longevity of the unit.

If you observe any other colored lights—such as red, yellow, or orange—on your Daikin unit, it’s crucial to consult your user manual for troubleshooting guidance. Furthermore, if the green light is blinking consistently, it may point to an error that needs attention, such as a blocked air filter or low pressure in the system. In such cases, referencing the user manual for troubleshooting tips is recommended, or seeking assistance from a qualified HVAC professional if the issue persists. Understanding these indicators is vital for the proper maintenance and operation of your Daikin FTXS09LVJU air conditioner.

Page Contents

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  • Why is the Green Light Flashing on My Daikin Air Conditioner
  • Daikin Air Conditioner Flashing Green Light U4
  • Daikin Blinking Code
  • How to Reset Daikin Air Conditioner
  • Daikin Aircon Flashing Green Light Not Working
  • Daikin Ac Not Working Light Blinking
  • Daikin U4 Error Code
  • Daikin Orange Light on Not Blinking
  • Why is My Daikin Air Conditioner Flashing Green?
  • Why is My Daikin on Light Blinking?
  • How Do I Turn off the Green Light on My Daikin Air Conditioner?
  • What Does the Green Light on My Ac Mean?
  • How to Find Fault on Daikin Wall Split System Air Conditioner (Green flashing light) ????????????
  • Next Steps
    • Related Articles

Why is the Green Light Flashing on My Daikin Air Conditioner

If you notice that the green light on your Daikin air conditioner is flashing, it typically means that the unit has been reset. This can happen if there was a power outage or if you manually switch off and then back on your AC unit. The green light will stay lit until the system has restarted itself, at which point it should return to normal operation.

If this doesn’t happen after a few minutes, contact an HVAC technician for assistance as it may be indicative of a more serious issue.

Daikin Air Conditioner Flashing Green Light U4

If your Daikin air conditioner is flashing a green light labelled U4, it means the unit is in defrost mode. This occurs when heat pump systems detect frost on the outdoor coil and switches to this mode to prevent further damage. During this process, your air conditioning will temporarily stop working until the system senses that there is no more frost present.

If you want to speed up the process, you can turn off your unit for 10-15 minutes and then restart it after that time has passed.

Daikin Blinking Code

If you own a Daikin air conditioner, it’s important to be aware of the system’s blinking codes. These codes indicate certain issues that may arise with your AC unit, such as electrical faults or failed operation. In order to troubleshoot these problems quickly and accurately, familiarizing yourself with the variousDaikin blinking code patterns is essential.

How to Reset Daikin Air Conditioner

Resetting your Daikin air conditioner is a simple process. Firstly, switch off the power supply to the unit and wait for five minutes before turning it back on. You can then press and hold down both the ‘on/off’ and ‘temperature up’ buttons simultaneously for 5 seconds until you hear a beep sound or see an indicator light come on.

This will reset your air conditioner to its factory settings, restoring optimal cooling performance.

Daikin Aircon Flashing Green Light Not Working

If you have a Daikin aircon and the green light is flashing but not working, this could indicate an issue with your compressor or fan. You should try resetting the unit by turning it off for at least 15 minutes and then back on again. If this does not resolve the problem, contact a qualified technician to inspect your system for any loose wiring or other issues that may be causing the green light to flash without working.

Daikin Ac Not Working Light Blinking

If your Daikin AC unit is not working and the light is blinking, it could be a sign that there’s an issue with the power supply or a component in the unit. Check to make sure all wiring connections are secure and that no fuses have blown. If these checks don’t solve the problem, contact a professional HVAC technician for assistance as soon as possible to get your system back up and running.

Daikin U4 Error Code

The Daikin U4 Error Code indicates that the air conditioner is encountering an abnormal working state. This usually occurs when a malfunction has been detected, such as a blocked filter or faulty fan motor. It is recommended to reset the unit and check for any blockages or malfunctions before attempting to restart it.

If this does not work, professional assistance may be required in order to repair the issue.

Daikin Orange Light on Not Blinking

If the orange light on your Daikin air conditioner is not blinking, it likely means that the unit is in standby mode. In this state, the unit will not be cooling or heating your home and should be restarted to properly function. To do so, press and hold down either the “On/Off” or “Mode” button until you hear a beep.

Once in operation again, check if the orange light has resumed its blinking pattern – if it hasn’t, contact a professional for repair assistance.

Daikin Ftxs09Lvju Blinking Green Light

Credit: www.aircon-servicing.com.sg

Why is My Daikin Air Conditioner Flashing Green?

The green light flashing on your Daikin air conditioner indicates that it is in operation mode. This means the AC unit is actively cooling or heating the room. The light will stop flashing when the temperature reaches a certain level and the unit will switch off until more cooling or heating is needed.

If this does not happen, then there could be an issue with either the thermostat settings or with one of the components within your AC system. You should contact a professional if you suspect any kind of problem to ensure that your system continues to work properly and safely.

Why is My Daikin on Light Blinking?

If your Daikin air conditioner’s “On Light” is blinking, it could indicate a variety of issues. Generally speaking, the blinking indicates that the system has detected an error or malfunction. It could be anything from a dirty filter to a problem with one of the unit’s components.

In some cases, you may be able to reset your Daikin on light by turning off the power and then restarting it again; however, if this doesn’t work or you continue to experience an issue even after resetting, contact professional heating and cooling service for further diagnostic help.

How Do I Turn off the Green Light on My Daikin Air Conditioner?

If you want to turn off the green light on your Daikin air conditioner, you can do so by pressing and holding the “i” button for 3 seconds. This will cause the LED display to switch from either normal or sleep mode back to standby mode. Once in standby mode, all lights (including the green light) should be turned off.

If this doesn’t work, check your user manual as there may be additional steps required depending on your model of Daikin air conditioner.

What Does the Green Light on My Ac Mean?

The green light on your AC is an indicator that the air conditioner is running and cooling properly. This light will be illuminated when the system’s compressor, which circulates refrigerant through the coils to cool down warm air, is turned on. If this green light turns off or starts flashing, it could indicate a problem with your AC unit such as a lack of power or a malfunctioning thermostat.

It’s important to check for any errors in these components if you notice your AC isn’t functioning correctly.

How to Find Fault on Daikin Wall Split System Air Conditioner (Green flashing light) ????????????

Next Steps

This blog post has provided a clear explanation of what the Daikin Ftxs09Lvju blinking green light indicates. It is important to note that this issue can be resolved relatively quickly and simply, by resetting the unit or disconnecting it from power for 10 minutes. If neither of these steps resolves the issue, then further investigation may be necessary.

In conclusion, if you own a Daikin Ftxs09Lvju air conditioner and see its blinking green light, this post should provide you with all the information needed to troubleshoot and resolve the problem.

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Ralph P. Sita
Author: Ralph P. Sita

Ralph P. Sita is a seasoned professional with deep roots in both the HVAC and tech industries. His family’s business, Ralph P. Sita, Inc., is a locally owned and operated HVAC contractor with over 42 years of experience, serving the DC, Maryland, and Virginia areas. The company specializes in residential, commercial, and industrial heating, ventilation, and air conditioning services, offering everything from installation and maintenance to custom ductwork and indoor air quality solutions -www.ralphpsita.com. A former CPA, he spent the last decade as co-founder and co-CEO at Cybrary, a leading platform for cybersecurity and IT training. Cybrary became the largest, most well-known cybersecurity training businesses in the industry under his leadership. Smart AC Solutions is an opportunity to give back to the HVAC community by providing reliable, actionable information on all things heating and cooling.

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Ralph P. Sita

Ralph P. Sita is a seasoned professional with deep roots in both the HVAC and tech industries. His family’s business, Ralph P. Sita, Inc., is a locally owned and operated HVAC contractor with over 42 years of experience, serving the DC, Maryland, and Virginia areas. The company specializes in residential, commercial, and industrial heating, ventilation, and air conditioning services, offering everything from installation and maintenance to custom ductwork and indoor air quality solutions -www.ralphpsita.com.

A former CPA, he spent the last decade as co-founder and co-CEO at Cybrary, a leading platform for cybersecurity and IT training. Cybrary became the largest, most well-known cybersecurity training businesses in the industry under his leadership.

Smart AC Solutions is an opportunity to give back to the HVAC community by providing reliable, actionable information on all things heating and cooling.

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