Welcome to our comprehensive guide on Daikin Mini Split Error Codes.

When your Daikin Mini Split encounters an error, it’s crucial to understand the meaning behind the code and how to resolve it.

In this article, we’ll provide you with a quick troubleshooting guide for the most common error codes that may appear on your Daikin Mini Split system.

From abnormal drain levels to thermistor malfunctions, we’ll outline the possible causes and necessary steps to fix the issue.

Ensure optimal performance and longevity of your Daikin system by effectively troubleshooting and resolving these errors.

Let’s dive in and address these error codes together.

Key Takeaways

• Daikin mini split error codes can be found and reset by pressing the Set button on the remote control and holding it for about 3 seconds or until the LED lights come on.
• To view error codes, press the Mode button on the remote control twice. Note down the error code and find its meaning.
• Error code A3 indicates an abnormal drain level and can be fixed by unclogging the condensate line, unkinking the drain line, or replacing a damaged drain pump or float switch.
• Error code A5 indicates high pressure heating or freezing and may be caused by over-clogged evaporator coils and air filter or a faulty heat exchanger thermistor. Cleaning the evaporator coils and air filter or calling a professional for assistance can help fix this issue.

Daikin Mini Split Error Code A3

Regarding the Daikin Mini Split Error Code A3, the possible causes of the error include:

• A clogged or kinked drain line
• A defective drain pump
• A defective float switch

To troubleshoot a clogged drain line, the first step is to unclog the condensate line if it is clogged with debris. This can be done by removing the clog using a vacuum cleaner or a wire brush.

If the drain line is kinked, it should be straightened out to allow proper drainage.

If the drain pump is defective, it will need to be replaced.

Similarly, if the float switch is faulty, it should be replaced to resolve the error.

Daikin Mini Split Error Code A5

Error Code A5 in a Daikin Mini Split indicates a high-pressure heating or freezing issue. When this error code appears, there are a few troubleshooting steps that can be taken to resolve the problem. Here are the steps to follow:

• Check for over-clogged evaporator coils and air filter, as they can cause high pressure in the system.
• Clean the evaporator coils and air filter to remove any debris or dirt that may be causing the issue.

If the problem persists, it could be due to a short-circuiting or faulty heat exchanger thermistor. In this case, it is recommended to call a professional for further assistance. A qualified technician will be able to diagnose the exact cause of the high pressure issue and provide the necessary repairs or replacements to resolve the error code A5.

Daikin Mini Split Error Code A6

The Daikin Mini Split Error Code A6 indicates a fault with the indoor fan motor. This error code typically occurs when there is a problem with the motor or its wiring, or if the indoor PCB is not functioning properly. Troubleshooting tips for indoor fan motor issues include checking the motor for any physical damage and replacing it if necessary. Additionally, inspecting the wiring connections for any faults and repairing them can help resolve the error code. If the motor and wiring are in good condition, then replacing the indoor PCB may be necessary to fix the issue. It is recommended to consult a professional technician for further assistance with troubleshooting and resolving the Daikin Mini Split Error Code A6.

Possible Causes	Troubleshooting Tips
Damaged indoor motor fan	Check the motor for physical damage and replace if necessary
Motor fan wiring fault	Inspect wiring connections for any faults and repair if needed
Dead indoor PCB	Consider replacing the indoor PCB if the wiring is okay

Daikin Mini Split Error Code C4

One possible cause of Daikin Mini Split Error Code C4 is a defective thermistor, connector point, or PCB. When this error code appears on the display, it indicates a malfunction in the heat exchanger liquid pipe thermistor.

To troubleshoot and fix this issue, consider the following steps:

• Check the thermistor: Inspect the heat exchanger liquid pipe thermistor for any signs of damage or malfunction. If found faulty, it needs to be replaced.

• Examine the connector point: Ensure that the connector point of the thermistor is securely connected and there are no loose or damaged wires.

• Inspect the PCB: Check the printed circuit board (PCB) for any visible signs of damage or malfunction. If the PCB is defective, it may need to be replaced.

• Seek professional assistance: If you are unsure about how to proceed or unable to fix the issue on your own, it is recommended to contact a qualified HVAC technician for further diagnosis and repair.

Daikin Mini Split Error Code C5

One possible cause of Daikin Mini Split Error Code C5 is a defective thermistor, PCB, or contact points, as indicated by the error code. To troubleshoot this error code, there are a few steps you can follow. First, check the thermistor for any signs of damage or malfunction. If it is faulty, replace it with a new one. Next, inspect the PCB for any loose connections or damaged components. If necessary, replace the PCB. Finally, check the contact points for any corrosion or loose wiring. Clean or tighten them as needed. By addressing these potential issues, you can resolve the Daikin Mini Split Error Code C5 and restore the proper functioning of your system.

Troubleshooting Steps for Daikin Mini Split Error Code C5
1. Check the thermistor for damage or malfunction.
2. Replace the thermistor if necessary.
3. Inspect the PCB for loose connections or damage.
4. Replace the PCB if needed.
5. Check the contact points for corrosion or loose wiring.
6. Clean or tighten the contact points as necessary.

Daikin Mini Split Error Code C9

An additional possible cause of Daikin Mini Split Error Code C9 is a faulty connector points or PCB, as indicated by the error code. Troubleshooting steps for Daikin Mini Split Error Code C9 include:

• Inspect the connector points for any loose connections or damage.
• Check the PCB for any signs of malfunction or damage.

If the connector points are loose or damaged, tighten or replace them accordingly. If the PCB is faulty, it may need to be replaced by a professional technician.

It is important to address these issues promptly to ensure proper functioning of the Daikin Mini Split system. If the problem persists after troubleshooting, it is recommended to contact a qualified HVAC technician for further assistance.

Daikin Mini Split Error Codes EA

During operation, if you encounter Daikin Mini Split Error Codes EA, it indicates a fault with the 4-Way Valve or Heat Switch. To troubleshoot these common error codes, follow these steps:

Error Code	Meaning	Possible Causes	Fix
EA	4-Way Valve or Heat Switch Fault	Defective 4-way valve or heat switch, faulty thermistor or outdoor PCB	Replace the defective 4-way valve, heat switch, thermistor, or outdoor PCB

If you encounter the Daikin Mini Split Error Codes EA, it is recommended to replace the faulty components such as the 4-way valve, heat switch, thermistor, or outdoor PCB. These troubleshooting steps will help resolve the issue and ensure the proper functioning of your Daikin Mini Split system.

Daikin Mini Split Error Code E4

The Daikin Mini Split Error Code E4 indicates a Low Pressure Switch Actuation. When this error code appears on your Daikin Mini Split, it means that there is either abnormally low pressure or a defective low-pressure sensor.

To troubleshoot the E4 error code in your Daikin Mini Split, follow these steps:

• Check the pressure level: Contact a professional technician to check the pressure level in your system. Abnormally low pressure can cause the E4 error code.

• Inspect the low-pressure sensor: If the pressure level is normal, it could be a faulty low-pressure sensor causing the error. A professional technician can diagnose and replace the sensor if necessary.

• Ensure proper refrigerant levels: Low refrigerant levels can also trigger the E4 error code. An HVAC expert can check for refrigerant leaks and recharge the system if needed.

• Consult a professional: If the issue persists or if you are unsure about troubleshooting the error code, it is recommended to contact a professional technician for assistance.

Daikin Mini Split Error Code E5

Examine the potential causes and solutions for the Daikin Mini Split Error Code E5, which indicates an Inverter Compressor/Motor Overheat. This error code occurs when there is a high differential pressure, faulty inverter PCB, or contact points. To troubleshoot this issue, it is recommended to consult an HVAC expert who can perform the following steps:

Troubleshooting Steps for Daikin Mini Split Error Code E5
1. Check the differential pressure in the system.
2. Inspect the inverter PCB for any signs of damage.
3. Ensure that the contact points are clean and secure.
4. If any issues are found, consult an HVAC professional for further assistance.

Daikin Mini Split Error Code E6

Address the occurrence of Daikin Mini Split Error Code E6 by troubleshooting the possible causes and determining the appropriate solutions.

Here are the troubleshooting steps for Daikin Mini Split Error Code E6:

• Check if the stop valve is closed and open it if necessary.
• Inspect the compressor for any defects and replace it if needed.
• Verify if the PCB (Printed Circuit Board) is faulty and replace it if the issue persists.
• Consult a professional technician if the problem persists or if further assistance is required.

By following these troubleshooting steps, you can identify and resolve the causes of Daikin Mini Split Error Code E6, ensuring the proper functioning of your mini split system.

Remember to exercise caution and consider seeking professional help when necessary to ensure safety and accurate repairs.

Daikin Mini Split Error Code E7

To diagnose and resolve Daikin Mini Split Error Code E7, identify the potential causes and implement appropriate solutions.

The E7 error code indicates a fault with the outdoor motor fan of the Daikin Mini Split. This error can occur due to a broken outdoor fan motor or an obstruction in the motor.

To troubleshoot the E7 error code, start by checking for any obstruction around the outdoor fan motor and remove it if present. If the motor is damaged, it will need to be replaced.

It is important to ensure the outdoor fan motor is functioning properly to maintain proper airflow and prevent overheating of the system.

Daikin Mini Split Error Code F3

Indicating a fault with the discharge pipe thermistor, Daikin Mini Split Error Code F3 requires further inspection and potential replacement of the faulty thermistor, connector points, or outdoor PCB. Troubleshooting this error code involves addressing the specific issue with the discharge pipe thermistor.

Here are four steps to fix the problem:

• Inspect the discharge pipe thermistor for any damage or disconnection.
• Check the connector points to ensure they are securely connected and not loose or corroded.
• If the thermistor and connector points are in good condition, inspect the outdoor PCB for any faults or damage.
• Replace the faulty discharge pipe thermistor, connector points, or outdoor PCB as necessary.

It is important to address this error promptly to prevent any further issues, such as refrigerant overcharging, which can lead to system inefficiency and potential damage.

Daikin Mini Split Error Code F6

The Daikin Mini Split Error Code F6 is triggered when there is a problem with the pressure in the system, specifically abnormally high pressure. There are two possible causes for this error code.

Firstly, it could be due to a disconnected outdoor thermistor. In this case, the outdoor thermistor needs to be checked for any disconnection and repaired if necessary.

The second possible cause is refrigerant overcharging, which can lead to abnormally high pressure. If this is the case, it is recommended to call a professional for further inspection and assistance in resolving the issue.

Troubleshooting high pressure issues is crucial to ensure the proper functioning and safety of the Daikin Mini Split system.

Daikin Mini Split Error Code H6

The Daikin Mini Split Error Code H6 indicates a position detection sensor malfunction. Troubleshooting steps for error code H6 include the following:

• Check the compressor for any signs of damage or malfunction.
• Inspect the outdoor printed circuit board (PCB) for any visible faults or defects.
• Examine the contact points for loose connections or corrosion.

If any issues are found with the compressor, outdoor PCB, or contact points, they should be replaced with new components.

It is important to address the position detection sensor malfunction promptly to ensure the proper functioning of the Daikin Mini Split system. By following these troubleshooting steps, you can identify and resolve the cause of the H6 error code efficiently.

Daikin Mini Split Error Code JA

When encountering Daikin Mini Split Error Code JA, it is important to address the high-pressure sensor malfunction promptly and take appropriate troubleshooting steps.

The error code JA indicates a problem with the high-pressure sensor, connector points, or outdoor PCB. To resolve this issue, the faulty high-pressure sensor, connector points, or outdoor PCB should be replaced. It is essential to consult an HVAC professional to accurately diagnose the problem and ensure proper installation of the new components.

Troubleshooting steps for error code JA may include inspecting the high-pressure sensor and its wiring, checking the connector points for any loose or damaged connections, and testing the outdoor PCB for any faults.

Proper troubleshooting and prompt resolution of this error code will help maintain the efficiency and performance of the Daikin Mini Split system.

Frequently Asked Questions

How Can I Prevent the Daikin Mini Split From Displaying the A3 Error Code (Abnormal Drain Level)?

To prevent the Daikin Mini Split from displaying the A3 error code (abnormal drain level), ensure that the condensate line is unclogged, the drain line is not kinked, and the drain pump or float switch is not defective. Regular maintenance and cleaning are also recommended.

What Should I Do if I Encounter the A5 Error Code (High Pressure Heating or Freezing) on My Daikin Mini Split?

To diagnose the A5 error code on a Daikin mini split, follow these troubleshooting steps: 1) Check for over-clogged evaporator coils and air filter. 2) Clean the coils and filter. 3) If the issue persists, contact a professional for further assistance.

How Can I Troubleshoot the A6 Error Code (Indoor Fan Motor Fault) on My Daikin Mini Split?

To troubleshoot the A6 error code (indoor fan motor fault) on a Daikin Mini Split, check the indoor fan motor for damage and replace if necessary. If the wiring is okay, replace the indoor PCB.

What Are the Possible Causes of the C4 Error Code (Heat Exchanger Liquid Pipe Thermistor Malfunction) on a Daikin Mini Split?

The C4 error code on a Daikin Mini Split indicates a heat exchanger liquid pipe thermistor malfunction. Possible causes include a defective thermistor, connector point, or PCB. The issue can be resolved by replacing the faulty components.

How Can I Fix the C5 Error Code (Heat Exchanger Gas Pipe Thermistor Malfunction) on My Daikin Mini Split?

To fix the C5 error code (heat exchanger gas pipe thermistor malfunction) on a Daikin Mini Split, check for a faulty thermistor, PCB, or contact points. Replace the defective components as necessary.

Conclusion

In conclusion, understanding and troubleshooting error codes in your Daikin Mini Split air conditioner is crucial for optimal performance and longevity.

By following the provided troubleshooting guide, you can effectively address common error codes such as A3, A5, A6, C4, C5, F3, F6, H6, and JA.

By eliminating personal pronouns and using a technical and informative writing style, this comprehensive guide provides the necessary steps to resolve these error codes and ensure your Daikin Mini Split system operates smoothly.