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Live chatSupport for your Dyson Pure Cool Cryptomic purifying fan
Here you can find helpful tips, frequently asked questions, your user manual and more.
Activate your guarantee
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.
Connecting your machine
Follow these three simple steps to connect your machine to the Dyson Link app.
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Step 1 Download the Dyson Link app¹, open it and select 'Add machine' from the menu. Then select your machine.
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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.
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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.
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.-
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 odours.
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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 coloured 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.
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Fair When the yellow section of the coloured bar is highlighted, your machine is detecting a moderate level of the type of pollutant.
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Good When the green section of the coloured bar is highlighted, your machine is detecting a very low level of the type of pollutant.
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Poor When the orange section of the coloured bar is highlighted, your machine is detecting a high level of the type of pollutant.
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Very poor When the red section of the coloured bar is highlighted, your machine is detecting a very high level of the type of pollutant.
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Auto mode In Auto mode, your machine monitors and responds to air pollution. When it detects pollutants, it automatically projects purified air.
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Oscillation angle You can set the oscillation angle of your purifying fan, from 45° to 350°.
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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.
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Airflow speed Choose from 10 different fan speed settings, and switch between front projection and Diffused modes.
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Night mode For the quietest settings and a dimmed display, set your machine to Night mode using your 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 air purifier (with air fan), or ask it to begin a new task. Check the Dyson Link app for examples of voice commands.
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.
Frequently asked questions
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.
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.
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.
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.
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.
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.
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.
The Dyson guarantee
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'How to' videos
To help you get the most from your machine. Quick and easy.
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Helpful tips
Tailored reminders that will keep your machine working at its best, for longer.
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Exclusive owner benefits
Priority access to previews of new Dyson technology, events and offers.
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Expert advice. 7 days a week.
Freephone and live chat. Open 8am - 8pm Monday to Friday, 8am - 6pm Saturday and Sunday.
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Free Dyson parts and labour
Replacement parts or repairs if something goes wrong during your guarantee period.
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Hassle-free replacement
If we can’t repair your machine, we’ll replace it while it's under guarantee. Fast.
We don’t stop caring about our machines once they’re yours. Activating your guarantee allows us to give you a tailored, complementary, direct service for your machine. Even after your guarantee has ended, we’ll still be on hand to help.
