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,, The power-on light and one of the AIR QUALITY lights on the control panel goes on.

 

AC4004:AIR QUALITY lights

Colour

Air quality

Blue

very good

Deep purple

good

Purple

fair

Red

bad

 

 

AC4002:AIR QUALITY lights

 

Colour

 

Air quality

 

Blue

 

very good

 

Deep purple

 

good

 

Red

 

bad

 

 

,, The appliance automatically starts operating in the auto mode.

 

 

To switch off the appliance, press and hold the on/off button again until the

 

 

power-on light goes out and unplug the appliance.

 

 

Note:When the humidity level in the room is very high, it is possible that

 

 

condensation develops on the air quality sensor. As a result, the AIR QUALITY

 

 

lights on the control panel may indicate that the air quality is bad even though

 

 

the air quality is good. In this case, the auto mode causes the appliance to

 

 

run at high fan speed.You can solve this by cleaning the air quality sensor. If

 

 

condensation develops frequently during periods of high humidity, we advise

 

 

you to use one of the manual speed settings.

 

 

Auto mode

 

 

When the appliance is switched on, the built-in air quality sensor

 

 

automatically measures the ambient air quality. When the auto mode is

 

 

activated, the appliance selects the most appropriate fan speed for the

 

 

measured air quality.

 

 

Note:When you use the auto mode, you can also use the timer function (see

 

 

section ‘Timer function in this chapter). In this case, the AUTO light, one of the

 

 

FAN SPEED lights, the TIMER light and one of the HOUR lights are on.

 

 

 

Press the on/off button to switch on the appliance.

 

 

1

 

 

,,

The appliance automatically starts operating in the auto mode.

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Philips manual AC4004AIR Quality lights, AC4002AIR Quality lights, Auto mode

AC4002 specifications

The Philips AC4002 and AC4004 air purifiers are designed to enhance indoor air quality, catering to a range of environments, including homes and offices. Both models are equipped with advanced technologies that ensure effective air purification, making them ideal for individuals concerned about allergens, pollutants, and overall air hygiene.

The Philips AC4002 features a 3-layer filtration system, combining a pre-filter, a HEPA filter, and an activated carbon filter. This multi-layer approach is engineered to capture up to 99.97% of airborne particles as small as 0.3 microns, which includes common allergens like dust mites, pollen, and pet dander. The activated carbon filter excels in reducing odors and harmful volatile organic compounds (VOCs), ensuring that the air remains fresh and pleasant.

Similarly, the AC4004 also incorporates a robust filtration mechanism. Furthermore, the AC4004 model is equipped with additional smart features, such as improved air quality sensors. These sensors continuously monitor the air quality and automatically adjust the fan speed according to the detected level of pollutants. This not only ensures efficient purification but also optimizes energy consumption, making the device eco-friendly.

Both models boast a sleek, modern design that seamlessly fits into various room styles. Their compact size allows for versatile placement, whether on a table, shelf, or floor. The intuitive user interface is designed for convenience, featuring easily accessible controls and a digital display that provides real-time information on air quality status.

Moreover, the noise levels of the Philips AC4002 and AC4004 are impressively low, meaning they can operate quietly in bedrooms or living spaces without causing disruptions. This is particularly important for users who prioritize peaceful environments for sleep or work.

In addition to their main features, the longevity is enhanced by filter replacement indicators, which alert users when it’s time to change the filters, ensuring optimal performance. With their combination of high-efficiency filtration, smart air quality monitoring, and user-friendly design, the Philips AC4002 and AC4004 air purifiers stand out as reliable options for anyone seeking to improve their indoor air quality.