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Support for your Dyson Pure Cool Cryptomic purifying fan

Here you can find helpful tips, frequently asked questions, your user manual and more.

Activate your warranty

You can get support that's tailored to you, owner exclusives and more when you register your machine.

Getting started

Watch how to quickly get up and running with our step-by-step guide.

Getting started with Dyson purifying fan

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Connecting your machine

Follow these three simple steps to connect your machine to the Dyson Link app.

Mobile device

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Step 1

Download the Dyson Link app¹, open it and select 'Add machine' from the menu. Then select your machine.

Mobile device being held close to the Dyson Pure Cool Cryptomic purifying fan

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Step 2

Hold your mobile device next to your machine's display. This will allow your machine to detect your device.

Standby button being pressed on the Dyson Pure Cool Cryptomic purifying fan

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Step 3

Press the Standby button on your machine to activate the pairing process. Then follow the on-screen instructions to complete connection set-up. 

Download the Dyson Link app

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Using your machine

Understanding your LCD screen's icons

The icons on the built-in LCD screen show you which pollutants are present, reporting them in real time. They also tell you about filter life. 

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Indoor Air Quality Index (AQI)

Shows your air quality over the last 12 seconds, or over the last 24 hours. 

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Particulate matter PM2.5

Shows microscopic particles smaller than 2.5 microns, including smoke, bacteria and allergens.

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Particulate matter PM10

Shows particles smaller than 10 microns, including pollen, dust and pet dander.

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Volatile Organic Compounds (VOCs)

Shows gases released from a wide range of sources, such as aerosol sprays and air fresheners. They include formaldehyde and benzene, household fumes and odors. 

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Nitrogen Dioxide (NO2)

Shows oxidising gases such as NO2, released by combustion. Includes cigarette smoke, car emissions, candles and gas stoves. 

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Filter life

Shows how much filter life remains on the combination filter. So you know when to replace it.

Understanding pollutant levels

When a pollutant causes the air quality to drop, the relevant icon will appear on the LCD screen. The colored bar on the left of the screen will indicate how much of the pollutant is present, and will continually update as your machine purifies the air. 

.The LCD screen's icons showing different levels of pollutants

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Good

When the green section of the colored bar is highlighted, your machine is detecting a very low level of the type of pollutant. 

.The LCD screen's icons showing different levels of pollutants

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Fair

When the yellow section of the colored bar is highlighted, your machine is detecting a moderate level of the type of pollutant. 

.The LCD screen's icons showing different levels of pollutants

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Poor

When the orange section of the colored bar is highlighted, your machine is detecting a high level of the type of pollutant.

.The LCD screen's icons showing different levels of pollutants

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Very poor

When the red section of the colored bar is highlighted, your machine is detecting a very high level of the type of pollutant. 

Video on how to set Auto mode

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Auto mode

In Auto mode, your machine monitors and responds to air pollution. When it detects pollutants, it automatically projects HEPA filtered.

Video on how to customise the oscillation angle

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Oscillation angle

You can set the oscillation angle of your purifying fan, from 45° to 350°.

Video on setting the airflow speed

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Airflow speed

Choose from 10 different fan speed settings, and switch between front projection and Backwards Airflow modes.

Person scheduling their machine using the Dyson Link app

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7-day scheduling

Choose when you want your machine to be on and off, up to seven days in advance, with the Dyson Link app.

The Dyson Pure Cool Cryptomic purifying fan in Night mode

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Night mode

For the quietest settings and a dimmed display, set your machine to Night mode using your remote control.

Person setting the Sleep timer using the remote control

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Sleep timer

Using your remote control, choose when you'd like your machine to turn off. Select a time between 15 minutes and 9 hours.

Voice control. All you have to do is ask.

Ask about the current activity of your purifying fan, or ask it to begin a new task. Check the Dyson Link app for examples of voice commands. 

alexa and siri logo

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Maintaining your machine

You can find out how to monitor and replace the combination filter in our video guide. Your Dyson Cryptomic™ filter is permanent, so you don’t need to change it.

Video about how to monitor and replace filters

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Frequently asked questions

How often do the filters need to be changed?

The combination filter needs to be changed after 12 months, based on 12 hours’ use a day. The Dyson Cryptomic™ filter is permanent, so you don’t need to change it. 

Does the LCD display stay on throughout the night?

If you're concerned by the brightness of your purifying fan heater's LCD display, consider enabling Night-time mode using your remote control or the Dyson Link app. During operation, a small moon icon indicates that your purifier is on, but the main display turns off after 10 seconds to help avoid sleep disturbance.

How do I know when my purifying fan is in Auto mode?

If auto mode is enabled, AUTO will be illuminated on your purifying fan's LCD display. When your machine is purifying the air, AUTO will be in white. When the air in the room is purified, it will turn green and your purifying fan will remain idle until pollutant levels rise.

How long should my purifying fan be turned on for?

Your purifying fan's auto mode is designed to manage the air quality in your home without you having to operate the machine – so it's only on when it needs to be. If you or someone in your home suffer from allergies or respiratory illnesses, we particularly recommend using your machine's auto mode.

Where should I place my purifying fan?

Your purifying fan is engineered to purify single rooms, so you should use it where you spend the majority of your time at home. When placing the machine, make sure there is at least a few feet of clearance on all sides so that the air can circulate effectively.

Should I keep the windows open or closed?

Your purifying fan heater works most efficiently in a sealed environment – opening the windows can allow more pollutants to enter the air in your home, which means your machine will take longer to work.

Should I change the fan settings in different seasons?

Increasing airflow will create a cooling effect using purified air, so you may find it beneficial to change your purifier fan's speed settings as the temperature changes. For personal cooling in summer, use settings 4-10. In colder periods, enable diffused mode. It projects air through the back of the machine, to avoid unwanted cooling.

Why Register? More perks.

Registration doesn't just give you Dyson's 2 or 5 year parts and labor warranty. Being a Dyson registered owner has even more perks:

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Exclusive Savings Events

Registered owners save on future purchases. Receive up to 20% off purchases during 12 Owner Rewards Savings Events throughout the year.

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Free Health Check

Reminders for free preventative maintenance checks at a Dyson Service Center near you.

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First to know

Registered owners receive exclusive events and sneak peeks at our latest technology before anyone else.

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VIP Hotline

Assistance from our U.S.-based team of Dyson experts, who are on hand to help through a dedicated VIP hotline, and online support 7 days a week.

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Reviewer Program

Experience the latest technology in our invitation-only reviewer program.

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Machine Information

Helpful tips to get the most out of your machine and keep it working at its best.

We don’t stop caring about our machines once they’re yours. Activating your parts and labor warranty allows us to give you a tailored, complementary, direct service for your machine. Even after your warranty has ended, we’ll still be on hand to help.

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