Bedienungsanleitung Duux DXPU03 - Tube (Seite 9 von 47) (Deutsch, Englisch, Holländisch, Französisch, Spanisch)

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6. FAQ

The device is plugged in but the display

doesn’t light up. What can I do?

Please check if the lter cover is closed

properly. There is a safety sensor inside the

cover that doesn’t allow the device to run when

the cover is open. Please check for a possible

power failure.

The wind speed suddenly changes. Is this

normal?

AUTO mode is switched on and will adjust the

wind speed according to the air quality. Please

switch to manual mode for continuous speed

operation

Am I able to wash and reuse the lter?

HEPA lters are made out of loosely and

randomly interlaced bers that are not built to

stand up to any stress. Washing a the lter will

destroy it in most cases. Even when the lter

seems to still be intact to the naked eye, its

structure has been rendered useless.

Can I use this air purier in a room beyond

the eective area?

In theory this purier can clean up to approx.

220m². However, this is based on a single

air change per hour (ACH). For indoor living

environments, the recommended amount of

ACH is 2-4 times.

What is the eective area per ACH?

1 ACH = 220m²; 2 ACH = 110m²; 3 ACH = 73m²;

4 ACH = 55m²; 5 ACH = 44m²

Why is the WIFI indicator constantly

blinking?

Once the WIFI mode button is pressed, the

device will search for a mobile device to pair

with. In case pairing is failed, the indicator

will remain blinking. To switch o the blinking

indicator, press and hold the WIFI button for 3

seconds.

Does this air purier have a built-in

ionizer?

Yes. It releases negative ions into outgoing

ltered air. Ions are tiny particles that carry a

positive or negative charge. These ions exist

naturally around us, in the air, water and

ground. Both positive and negative ions are

colorless, odorless and harmless. Negative ions

help the air purication process by attaching

themselves to very small airborne particles in

the room.

How long should I run the air purier?

In general it is recommended that you run your

air purier when you are at home to clean the

air. The unit may be run 24/7 if preferred. This

air purier will be more eective when windows

and doors are closed.

What does PM2.5 mean?

PM 2.5 is a microscopic solid particle with a

diameter of less than 2.5 micrometer. Presence

of these particles in large numbers is a serious

concern for people’s health. These particles are so

tiny that they can directly invade into the lungs and

cause cancer.

What does HEPA H13 stand for?

HEPA is an acronym of High Ecient Particulate Air.

To qualify as true HEPA by government standards,

an air lter must remove 99.97% of all particles

greater than 0.3 micrometer from the air. H13 is

the highest classication of HEPA lters.

How long does the lter last?

The lifespan of the lter depends of the air quality

and usage of the device. In practise it will last

between 4 and 6 months. The article number for

replacement lters is DXPUF03.

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