The reasons behind your york aircon light blinking

Why york aircon light blinking? York aircon red light blinking usually indicate faulty sensor, capacitor or blocked piping. York aircon orange light blinking hint us that the indoor motor might be not running. If your york aircon timer blinking 3 times, you might need to replace the coil sensor.

Remember, a blinking light on any air conditioner unit flags that something isn’t right with the aircon. You should use your remote control to find the error codes and proceed from there.

Why york aircon light blinking

blinking aircon light

Obstructed air flow

Air-cooled air conditioning systems have what’s known as a condensing unit, regularly situated outside or in a mechanical room. Outside units particularly can get impeded because of leaves and other dust particles that have accumulated around the unit. Indeed, even systems in mechanical rooms can be hindered by other gear or capacity things. And these factors can cause your system to get low on airflow. And that can cause overheating of the entire system. That’s why you need to work with the error codes fast to fix the issues.

These problems can be caused by blocked vents. This issue is very normal in an office setting, particularly when individuals disagree on the thermostat setting. Like, a file organizer gets moved before the AC register since somebody is excessively cold. The before you know it, your HVAC airflow has been undermined.

Here is the related simple self diagnose york aircon blinking codes that you can understand easily:

  • The damaged dust collector of the air cleaner is shown as ‘AH’.
  • A blocked indoor air filter is shown as ‘A5’
  • A damaged suction air thermistor is shown as ‘C9’

Most of the air conditioners show their error codes on the remote control.

Get help fast if you notice these error codes. You can still self diagnose but it’s always better to call an expert.

Electric control failure

Electric control failure

If your air conditioner is switched off and on frequently, it’ll cause some obvious issues in the whole system. It can weaken the fans and compressors of the system. Also, if the system is larger than normal, these kinds of problems occur way more often.

The decaying of the wires and terminals of the system is a normal issue. And you definitely should look for professional help for these kinds of circumstances

Here are the common Electric Control Failure error codes for self-maintenance:

  • A damaged expansion valve is shown as ‘A9’, ‘91’, ‘E6’, and ‘E9’
  • A damaged indoor valve expansion is shown as ‘U9’

Inproper installation

Setting up the system improperly may likewise be the main reason for the light blinking issue. A few people tragically hire organizations with unpracticed experts who don’t have the correct preparing to set up a specific model. In such cases, they install the unit erroneously which prompts the blinking of light.

Here are the error codes to troubleshoot the issues:

  • If the installation of the capacity setting adapter was improperly installed, it’ll show as ‘PJ’ or ‘RJ’

Refrigerant shortage or leakage

york aircon refrigerant shortage

If your air conditioner is low on refrigerant, possibly it was undercharged at installation or it leaks. If it leaks, just refilling refrigerant isn’t an answer. The better strategy to solve this issue is by fixing the leak first.

Recall that the exhibition and productivity of your air conditioner are most noteworthy when the refrigerant charge exactly coordinates the manufacturer’s particular and is neither undercharged nor overdone. Refrigerant leaks can damage the nature which should be looked after.

The related self diagnose york blinking error codes are:

  • An empty Refrigerant cylinder of the master unit is shown as ‘PA’
  • An empty refrigerant cylinder can be shown as ‘PC’
  • Shortage of refrigerant is shown as ‘U0’,70’, ‘71’, and ‘89’
  • A damaged refrigerant thermistor is shown as ‘82’ and ‘83’

You shouldn’t wait a bit to call for help from an expert if you notice a leakage problem. It is imperative to get leakage repair when it is found.

If you don’t repair the leakage in the system, it’ll cause you a lot of trouble. It’ll be expensive to repair it later. And if it’s kept unrepaired for a bit long time, it can severely damage your whole system for good. It is critical to enlist an expert to top off the refrigerant as undeveloped hands may additionally harm a unit.

Sensor problems

york aircon sensor problems

These air conditioning systems highlight an indoor regulator sensor. It’s behind the control board and this sensor measures the temp inside of the evaporative coil.

If any of the sensors get misplaced from its original positions, it’ll obviously misbehave. And you’ll notice a lot of irregularities. The sensor should never touch with the coil, or there’ll be difficulties. But it should be close to the coil.

The self-diagnosing york blinking error codes are:

  • Damage of fan motor sensors is shown as ‘C6’
  • Damage to the humidity sensor is shown as ‘CC’
  • A damaged low-pressure sensor is shown as ‘E4’
  • A damaged compressor sensor system is shown as ‘H0’
  • A damaged room temp sensor in Sys #1 is shown as ‘H1’
  • A damaged position detection sensor is shown as ‘H6’
  • Water level detecting sensor failure can be shown as ‘HJ’
  • A damaged pressure sensor is shown as ‘J1’
  • A damaged current sensor of the compressor is shown as ‘J2’
  • A damaged low-pressure temperature sensor in Sys #1 is shown as ‘J4’
  • A damaged high-pressure sensor in Sys #1 is shown as ‘JA’
  • A damaged low-pressure sensor in Sys #1  is shown as ‘JC’
  • A damaged oil pressure sensor is shown as ‘JE’
  • A damaged oil level sensor is shown as ‘JF’
  • A damaged radiation fin temperature sensor is shown as ‘P4’
  • A damaged low-pressure sensor in Sys #2 is shown as ‘75’
  • A damaged high-pressure sensor in Sys #2 is shown as ‘76’
  • A damaged compressor current sensor in Sys #2 is shown as ‘7A’

Faulty air filters

Faulty aircon air filters

Air filters are significant pieces of the entire aircon system. They have a significant activity: to eliminate residue and trash from the air and keep it out of your hardware and your channels. There might be times when the filters in the aircon unit are not perfect. These filters are there to sanitize the air that is provided by the air conditioner to guarantee that solitary the natural air goes to the room.

If the filter gets over-burden and stopped up, it hinders your HVAC airflow, prompting those hot and cold spots and stodgy air. The trash in the gear can harm parts too. In such cases, you might have the option to get your unit working again by cleaning the filters. The guidance manual may have steps to clean these filters.

The air filter related york blinking error code: A faulty air filter is shown as ‘6J’

Don’t delay a moment when you notice this error code. Find professional help and replace it.

How to reset york air conditioner

How to reset york air conditioner

Your york air conditioner unit is like your saving grace when the weather gets too hot for you and your family to handle. However, just like any kind of appliance, the time will come when it will face some issues. And if you don’t do something about it, you might end up feeling uncomfortable inside your scorching home.

When you know how to reset your york ac, it will be easier for you to reboot its system if it is experiencing some problems. You can think of this as pretty much the same thing as how you would reset your computer or WiFi once you encounter some troubles with it.

Importance of resetting your york air conditioner

But why is it important for you to reset your air conditioner, though? When a power outage occurs, your york air conditioning unit might work properly because of the protection circuit breaker that prevents explosions and fires. One more reason for resetting your air conditioner unit is when you have set it to cool but it doesn’t blow cool air.

Steps to reset your york air conditioner with reset button

Here are the steps you need to follow if you want to reset your air conditioner that features a reset button:

  1. The very first step is to obviously look for the reset button on your unit. Many units have this button on them. The button is typically red and small. In case you cannot find it, you can consult the manual for your unit to know the exact location of the button.
  2. Unplug your AC unit from the wall for a minimum of 15 seconds then plug it back in.
  3. Hold down the reset button for three seconds before releasing it. If your unit still doesn’t kick on, just repeat the step.
  4. If it still fails to work, look for the circuit breaker panel then try to flip the one connected to your AC unit. At this point, it is likely that your AC unit has already kicked on.

Steps to reset your york air conditioner without a reset button

There are some AC units that don’t come with a reset button so you will need to manually reset the system. Here are the steps you need to follow to do this:

  1. First, look for the power shut off that you can find close to your outdoor compressor unit. Flip this off.
  2. Search for the 240-volt circuit found in your home’s main electrical panel. Switch off this circuit.
  3. Make sure all power from the unit is removed and unplug this from your power supply board.
  4. To let the charge dissipate out of your AC unit, leave this unplugged then switched it off for a minimum of 20 to 30 minutes.
  5. When this time passes, set your unit to cool then plug back the unit to the power supply. You can switch back on the 240-volt circuit as well as the power shut off close to the outdoor compressor. It is a must to follow this order because you need to work backward from how it was turned off the first time.

If you already learned how to reset your air conditioner but the problem continues, it is best to call the experts to solve the issue.


These are only a portion of the situations where a blinking light demonstrates. If you see the lights in your air conditioner keep on blinking, you should take action immediately. Check the york aircon fault codes, check the manual. Some small issue, you can fix it on your own but some, we strongly recommend let the HVAC expert help you.

For example, an issue with the circuit board are mind-boggling and are best to take care by a professional.

A blinking light is generally a marker that your unit should be inspect if you anticipate that it should support you back as well as to do so proficiently. If you need help in york air conditioner troubleshooting, please kindly contact us. Our team can solve your york air conditioner problems for you.

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