Daikin Furnace Repair Guide | Troubleshooting, Error Codes & More

Please note, the following Daikin Repair guide is for informational purposes only. Any servicing you attempt is at your own risk.

➤ A complete Daikin furnace repair guide, from how to replace your air filter, to troubleshooting and error codes, model numbers and more!

Daikin At a Glance

Daikin has high standards as a world-class international brand. Sold in over 140 countries, Daikin has been around since the 1930s. The Japanese company has been making a difference in the quality of furnaces sold, focusing on innovation and delivering high-quality HVAC solutions. By experimenting in how these solutions are formed, Daikin has provided sleek, controlled and reliable furnaces that have transformed the market.

Making sure that your Daikin furnace runs as efficiently as possible is simple enough. Regular maintenance and staying on top of any repairs will help to give your furnace a longer lifespan. Basic tasks like cleaning, monitoring and servicing your furnace can be done at home with a little patience and a good guide. Hopefully, with the tips below, your furnace will be keeping your home comfortable for a long time to come.

How to Replace Your Daikin Air Filter

1. Take care to open the panel to your Daikin furnace. It may slide open or need to be unscrewed to pried gently.
2. Locate your filter. It is likely going to be near the cold air return or the blower chamber, or sometimes both. Take it out carefully.
3. Slide in a new filter, or clean the old one and put it back. If there is an endcap, return it to where it was.
4. Check to ensure that the airflow arrows are pointed in the right direction, to go with the direction of the blower and not against it.
5. Return the panel to your unit, sliding, snapping or screwing it back in place.

Daikin Furnace Repair Guide

What’s Wrong With Your Furnace?

Common Furnace Problems and Troubleshooting

Make sure to turn off the power to your Daikin unit before attempting any solution.

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Daikin Furnace Error Codes

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When to call a professional to repair your Daikin furnace

Though most of the general maintenance that your furnace requires can be done at home by you, some issues require a licensed technician to address. If you run into any of the following problems, it’s best that you call a professional to deal with repairs or replacements.

If your furnace is not producing heat, if it is dripping or leaking fluid, if your boiler switches itself on and off or if it is making strange clanging or whistling sounds, these are more severe problems that will take an expert to remedy. In some cases, your warranty may cover the cost of parts and possibly repair, so don’t hesitate to call someone.

Who Should You Call?

Finding the right person and company that you trust with your furnace can be a homeowner’s challenge. It’s easy enough to look up reviews of HVAC companies online and determine who might be an excellent candidate to welcome into your home and reliably fix your furnace, but reviews are typically biased and based on a set of criteria as unique as the person leaving a comment.

If you’d like to have more certainty in your selection, we can help. We use our own independent certification program that finds reliable and trained local HVAC companies. Since we judge by a consistent and high standard, you can be confident that the businesses we’ve screened are reputable. It is our goal to ensure that you make an accurate and informed decision when you pick a company to service your furnace.

Daikin’s Warranty Coverage

Daikin has different warranties and coverage for various models. Depending on your specific model, you may or may not be covered for the entire unit and parts. You can check the warranty that you got when you bought your furnace, or you can refer to our guide below.

• Lower-Tier: 12-year limited warranty on parts.
• Mid-Tier: 12-year limited warranty on parts and 6-year limited warranty on unit replacement.
• Top-Tier: 12-year limited warranty on parts and 12-year limited warranty on unit replacement.

Protect your Daikin furnace: Register and access your Daikin furnace warranty here

Daikin Furnace Model Numbers