PHILIPS AC3821 - Air purifier

AC3821 - Air purifier PHILIPS - Free user manual and instructions

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Product Type Air Purifier with Fan
Brand Philips
Model AC3821
Dimensions (H x W x D) 34.7 x 34.7 x 13.5 inches
Weight 10.3 kg (22.7 lbs)
Power Supply 100-240 V, 50/60 Hz
Power Consumption 55 W (max)
Noise Level 20 - 52 dB (A)
CADR (Clean Air Delivery Rate) 380 m³/h (for smoke)
Recommended Room Size Up to 80 m² (860 sq ft)
Filtration System Pre-filter, HEPA H13, Activated Carbon
Filter Lifetime Up to 3 years (depending on usage)
Sensor Type Particle (PM2.5) and Gas (VOCs)
Fan Speeds Auto, Turbo, Sleep, and 4 manual speeds
Modes Auto, Turbo, Sleep, Allergen, Bacteria/Virus
Air Quality Indicator Color ring: Blue (good) to Red (poor)
Connectivity Wi-Fi (2.4 GHz) via Philips Clean Home+ app
Display Touchscreen with PM2.5 and allergen index
Timer 1-12 hours
Filter Replacement Indicator Yes
Safety Features Auto shut-off when front cover removed, child lock
Maintenance Clean pre-filter every 2 weeks; replace filter annually (approx.)
Certifications Quiet Mark, ECARF, AHAM Verifide
Warranty 2 years

Frequently Asked Questions - AC3821 PHILIPS

How often should I replace the filter on my Philips AC3821?
The filter should be replaced approximately every 3 years depending on usage and air quality. The unit will display a filter replacement indicator when it's time.
Can the Philips AC3821 remove smoke and odors?
Yes, the HEPA H13 filter captures fine smoke particles, and the activated carbon filter helps reduce odors from cooking, pets, and smoke.
How do I clean the pre-filter on the AC3821?
Remove the front cover, take out the pre-filter, and vacuum or rinse it under running water. Let it dry completely before reinserting. Clean every 2 weeks.
What room size is the Philips AC3821 suitable for?
It is designed for rooms up to 80 m² (860 sq ft) based on 4 air changes per hour. For best performance, use in a single closed room.
Is the Philips AC3821 noisy?
No, it operates quietly with noise levels from 20 dB (Sleep mode) to 52 dB (Turbo mode). It's Quiet Mark certified.
Does the AC3821 have an app? How do I connect it?
Yes, it connects via Wi-Fi to the Philips Clean Home+ app (iOS/Android). Download the app, follow on-screen instructions, and ensure your phone is on a 2.4 GHz network.
How much electricity does the Philips AC3821 use?
Maximum power consumption is 55 W, similar to a small light bulb. In Sleep mode, it uses even less.
Can I use the AC3821 without the app?
Yes, you can control all functions via the touchscreen display and remote control (included). The app adds convenience like scheduling and monitoring.
Does the Philips AC3821 have a child lock?
Yes, it features a child lock to prevent unintended changes. Enable/disable via the touchscreen.
What does the color ring on the AC3821 mean?
The air quality indicator uses a color ring: Blue (very good), Indigo (good), Pink (fair), and Red (poor). It also shows the exact PM2.5 value.

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Download the instructions for your Air purifier in PDF format for free! Find your manual AC3821 - PHILIPS and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. AC3821 by PHILIPS.

USER MANUAL AC3821 PHILIPS

natural_image White Philips air purifier with control panel and digital display (no visible text or symbols on device body)

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Contents

1 Important 2

Safety 2

2 You air purifier 5

Product overview (fig①) 6

Controls Overview (fig ②) 6

3 Get started 7

Installing the NanoProtect

filter 7

Preparing for humidification 7

4 Use the appliance 8

Understanding the air

quality light 8

Switching on and off 8

Setting the humidity level 8

Switching the operation

mode 9

Using the light on/off function 9

Switching the display mode 9

Changing the Auto mode

setting 10

Changing the fan speed 10

Setting the timer 10

Setting the child lock 11

Water level 11

5 Cleaning 11

Cleaning schedule 11

Cleaning the body of the

appliance 12

Cleaning the air quality

sensor 12

Cleaning the water tank,

water tray and NanoCloud

rotary humidification wick 12

Cleaning the pre-filter 13

Descaling the NanoCloud

rotary humidification wick 13

6 Replace the filter and wick 14

Understanding the healthy

air protect lock 14

Replacing the NanoProtect

filter 14

Replacing the NanoCloud

rotary humidification wick 15

Replacing the anti-bacteria

cartridge 16

7 Troubleshooting 17

8 Guarantee and service 20

Order parts or accessories 20

1 Important

Safety

Read this user manual carefully before you use the appliance, and save it for future reference.

Danger

  • Do not let water or any other liquid or flammable detergent enter the appliance to avoid electric shock and/or a fire hazard.
  • Do not clean the appliance with water, any other liquid, or a (flammable) detergent to avoid electric shock and/or a fire hazard.
  • Do not spray any flammable materials such as insecticides or fragrance around the appliance.
  • The water in the water tank is not suitable for drinking. Do not drink this water and do not use it to

Warning

  • Check if the voltage indicated on the side of the appliance corresponds to the local power voltage before you connect the appliance.
  • If the power cord is damaged, you must have it replaced by Philips, a service center authorized by Philips, or similarly qualified persons in order to avoid a hazard.
  • Do not use the appliance if the plug, the power cord, or the appliance itself is damaged.
  • This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe

  • Cleaning and user maintenance shall not be made by children without supervision.

  • Children should be supervised to ensure that they do not play with the appliance.
  • Do not block the air inlet and outlet, e.g. by placing items on the air outlet or in front of the air inlet.

Caution

  • This appliance is not a substitute for proper ventilation, regular vacuum cleaning, or use of an extractor hood or fan while cooking.
  • If the power socket used to power the appliance has poor connections, the plug of the appliance becomes hot. Make sure that you plug the appliance into a properly connected power socket.
    · Always place and use the appliance on a dry, stable,

- Leave at least 20cm free space behind and on both sides of the appliance and leave at least 30cm free space above the appliance.

- Do not place anything on top of the appliance.

- Do not place the appliance directly below an air conditioner to prevent condensation from dripping onto the appliance.

- Make sure all filters are properly installed before you switch on the appliance.

- Only use the original Philips filters specially intended for this appliance. Do not use any other filters.

- Avoid knocking against the appliance (the air inlet and outlet in particular) with hard objects.

- Do not insert your fingers or objects into the air

  • Do not use this appliance when you have used indoor smoke-type insect repellents or in places with oily residues, burning incense, or chemical fumes.
  • Do not use the appliance near gas appliances, heating devices or fireplaces.
    · Always unplug the appliance after use and before filling water, cleaning, or carrying out other maintenance.
  • Do not use the appliance in a room with major temperature changes.
    • To prevent interference, place the appliance at least 2m away from electrical appliances that use airborne radio waves such as TVs, radios, and radio-controlled clocks.
  • When the appliance is not used for a long time, bacteria may grow on the

- The appliance is only intended for household use under normal operating conditions.

- Do not use the appliance in wet surroundings or in surroundings with high ambient temperatures, such as the bathroom, toilet, or kitchen.

- The appliance does not remove carbon monoxide (CO) or radon (Rn). It cannot be used a safety device in case of accidents with combustion processes and hazardous chemicals.

- Only fill the water tank with cold tap water. Do not use ground water or hot water.

- Do not put any substance other than water in the water tank. Do not put fragrance in the water tank.

- If you do not use the humidification function

and air dry the NanoCloud rotary humidification wick.

  • If you need to move the appliance, disconnect the appliance from the power supply first. Then empty or remove the water tank and water tray. Carry the appliance horizontally by the handles on both sides of the appliance.
  • Unplug the appliance during filling and cleaning

2 You air purifier

Congratulations on your purchase, and welcome to Philips!

To fully benefit from the support that Philips offers, register your product at www.Philips.com/welcome.

The Philips air purifier brings fresh, humidified air to your house for the health of your family. It offers you advanced evaporation system with

NanoCloud technology, using a special humidification filter which adds H2O molecules to the dry air, and produces healthy humid air without formation of water mist. Its humidification filter retains bacteria, calcium and other particles from the water. It delivers only pure humidified air in your home. No more dry air in the winter season or from the air conditioning.

Read this user manual carefully before you use the appliance, and save it for future reference.

Product overview (fig ①)

A Control panel

B Water tank

C Anh-bacteria cartridge

D Wick support

E Water tray

F Omni wheels

G Wick wheel

H NanoCloud rotary humidification wick (FY3435)

I Back side cover

J Pre-filter

K NanoProtect filter HEPA Series 3 (FY2422)

L NanoProtect filter Active Carbon (FY2420)

M Air outlet

Controls Overview (fig ②)

Control buttons

Power on/off button

Child lock button

Auto mode button

Fan speed button

Humidity setting button

Light dimming button

2-in-1 mode on/off button

Timer/Reset button

Display panel:

Sleep mode

(A) Auto mode

Allergen mode

Purification ONLY mode

2-in-1 mode

Filter replacement alert

Water refill alert

Pre-filter and wick cleaning alert

PM2.5 PM2.5 display

3 Get started

Installing the NanoProtect filter

The appliance comes with the NanoProtect filter fitted inside. Remove the packaging of the filter before using the appliance and place it back into the appliance described as follows:

PHILIPS AC3821 - Installing the NanoProtect filter - 1

Note

• Make sure that the side with the tag is pointing towards you.

1 Pull the top part of the back panel towards you to release it from the appliance (fig ③).
2 Press the two clips down and pull the pre-filler towards you (fig④)
3 Remove the NanoProtect filter from the appliance (fig 5).
4 Remove all packaging materials of the NanoProtect filter (fig 6).
5 Place the NanoProtect filter back into the appliance (fig ⑦).
6. Put the pre-filter back into the appliance, mount the pre-filter onto the bottom of the appliance first, and then push the clips on the top of pre-filter against the appliance (fig ⑧).
7 To reattach the back cover, mount the panel onto the bottom of the appliance first, and then push

Preparing for humidification

1 Pull out the water tank (fig ⑩)
2 Lift the water tray upwards and pull it out horizontally. (fig 11)
3 Remove all packaging material of the NanoCloud rotary humicification wick (fig 12).

Note

• The humidification wick has been assembled on the wick wheel upon purchase.

4 Place the wick wheel on the wick support (fig ⑬)

PHILIPS AC3821 - Note - 1

- When placing the wick wheel on the wick support, make sure that the projections on the wick wheel falls into the corresponding grooves.

5 Place the water tray back into the appliance (fig 14).
6 Turn the top cap of the water tank anti-clockwise to unscrew it (fig 15)
7 Fill the water tank with cold tap water (fig 16).
8 Turn the top cap clockwise to tightly lock it onto the water tank (fig 17).
9 Place the water tank back into the appliance (fig 18).

4 Use the appliance

Understanding the air quality light

PM2.5 levelAir quality light colorAir quality level
≤35 BlueGood
36-75 Blue-PurpleFair
76-115 Purple-RedPoor
>116 RedVery poor

The air quality light automatically goes on when the appliance is switched on, and lights up all colors in sequence. In a short time the air quality sensors select the color that corresponds to the ambient air quality.

Switching on and off

1 Put the plug in the power socket. →The appliance beeps.

2 Touch switch on the appliance →The appliance operates under the 2-in-1 mode by default with displayed on the screen. →When the appliance is warming up, "◆◆◆" displays on the screen. After measuring the particulate matter only in the air, the appliance shows the DVD level and capacitance in the

3 Touch and hold ⏻ 3 seconds to switch off the appliance.

Note

• After the appliance is switched off by the on/off button (If the plug is still in the power socket, the appliance will operate under the previous settings when it is switched on again.

Setting the humidity level

1 Touch the humidity button repeatedly to set the desired air humidity to 40%, 50%, 60% or -(fig 19).

Note

- When the humidity level “-” is chosen, the appliance will keep humidifying the room until the ambient humidity level reaches 70%RH. - When the target humidity level is reached, the wick wheel will stop rotating. It will start rotating again when the humidity drops below the target level. - If you want to increase the humidity level quickly, you can select a higher fan speed.

Switching the operation mode

The appliance has two operation modes, the purification ONLY mode and the 2-in-1 mode.

- Touch the 2-in-1 mode on/off button repeatedly to switch between the purification ONLY mode and the 2-in-1 mode (fig 20)

- displays on the screen when the appliance operates in the purification ONLY mode.

- displays on the screen when the appliance operates in the 2-n-1 mode.

Using the light on/off function

With the light dimming button, you can switch on or off the air quality light, the display screen and the function indicator if desired.

1 Touch the light dimming button once, the air quality light will be dimmed.

2 Touch the light dimming button again, the air quality light and the display panel will be turned off

3 Touch the light dimming button for the third time, all lights will be on again.

Switching the display mode

The appliance has three display modes, PM2.5 display, IAI display and humidity level display.

PM2.5

AeraSense sensing technology accurately detects and quickly respond to even the slightest particle change in the air. It provides you with reassurance with real-time PM2.5 feedback

IAI

The professional-grade AeraSense sensor detects the level of indoor air allergen and with numerical feedback from 1 to 12 the potential risk level of indoor air allergens can be displayed. 1 indicates best air quality.

PHILIPS AC3821 - IAI - 1

Note

• The appliance operates in PM2.5 display mode by default.

1 Touch and hold f3 seconds to switch to IAI display (fig 21) →IAI indicator and the actual IAI level display on the screen.

2 Touch and hold 10f 3 seconds twice to switch to humidity level display (fig.22)

3 Touch and hold 10f 3 seconds to switch to PM2.5 display (fig 23). →PM2.5 indicator and the actual IAI level display on the screen

Changing the Auto mode setting

You can choose the auto mode (A) the Allergen mode (◆ and the Sleep mode (SL

Auto mode

In Auto mode, the appliance selects the fan speed in accordance with the ambient air humidity.

- Touch the Auto mode button Ⓐ select Auto mode (fig 24). → Auto (R) and Ⓐ display on the screen →The appliance operates in Auto mode by default.

Allergen mode

The extra-sensitive Allergen mode is designed to react to even a small change in allergen levels in the surrounding air.

- Touch the Auto mode button Ⓐ select the Allergen mode (fig 25). → Auto (R) and ⏻ display on the screen

Sleep (SL)

In Sleep mode, the air purifier operates quietly on a very low speed.

- Touch the Auto mode button Ⓐ select the Sleep mode (SL) → Sleep (SL) and ⚙ display on The screen (Fig 26)

PHILIPS AC3821 - Sleep (SL) - 1

Note

- If no buttons are touched after one

Changing the fan speed

There are several fan speeds available.

Manual

- Touch the fan speed button 📄 repeatedly to select the desired fan speed (1, 2 or 3) (fig 27)

Turbo (t)

In Turbo mode, the air purifier operates on the highest speed.

- Touch the fan speed button Ⓧ select the Turbo mode (L) (fig 28).

Setting the timer

With the timer, you can let the appliance operate for a set number of hours. When the set time has elapsed, the appliance will automatically switch off.

- Touch the Timer/Reset button ① repeatedly to choose the number of hours you want the appliance to operate (fig ②).
→The timer is available from 1 to 12 hours.

- To deactivate the timer function, touch the Timer/Reset button repeatedly until '---' displays on the screen.

Setting the child lock

1 Touch and hold the child lock button over 3 seconds to activate child lock (fig 30).

- displays on the screen for 3 seconds. - When the child lock is on, all the other buttons are not responsive.

2 Touch and hold the child lock button for 3 seconds again to deactivate child lock (fig 31). 🐎 displays on the screen for 3 seconds.

Water level

The water level in the water tank is visible through the water level window on the water tank.

When there is not enough water in the water tank, the water refill light flashes to indicate that you have to refill the water tank (fig 32).

Note

- When there is no water in the water tank, the wick wheel will stop rotating. When the water tank is refilled with water, the wick wheel will start rotating again.

5 Cleaning

Note

- Always unplug the appliance before cleaning. - Never immerse the appliance in water or any other liquid. - Never use abrasive, aggressive, or flammable cleaning agents such as bleach or alcohol to clean any part of the appliance. - Only the pre-filter and NanoCloud rotary humidification wick are washable. The NanoProtect filter is not washable nor vacuum cleanable.

Cleaning schedule

Frequency Cleaning method
When necessaryWipe the surface of the appliance with a soft dry cloth.
Every weekRinse the water tank, the water tray and the NanoCloud rotary humidification wick.
When the cleaning icon lights up and FO displays on the screenClean the pre-filter.
Descal the NanoCloud rotary humidification wick with the water and white vinegar (5% acetic acid) or water and citric acid.

Cleaning the body of the appliance

Regularly clean the inside and outside of the appliance to prevent dust from collecting.

1 Wipe away dust with a soft dry cloth from the body of the appliance.

2 Clean the air outlet with a soft dry cloth.

Cleaning the air quality sensor

Clean the air quality sensor every 2 months for optimal functioning of the purifier. Clean them more frequently if you use the purifier in a dusty environment.

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 light may indicate that the air quality is bad even though it is good. In this case you have to clean the air quality sensor or use one of the manual speed settings.

1 Clean the air quality sensor inlet and outlet with a soft brush (fig 33).

2 Open the air quality sensor cover (fig 34).

3 Clean the air quality sensor, the dust inlet and the dust outlet with a

Cleaning the water tank, water tray and NanoCloud rotary humidification wick

Note

- Clearing the water tank, water tray and NanoCloud rotary humidification wick every week to keep them hygienic.

1 Pull out the water tank (fig ⑩).
2 Lift the water tray upwards and pull it out horizontally. (fig 37).
3 Take the wick wheel off the wick support (fig 38).
4 Rinse the water tank, water tray and NanoCloud rotary humidification wick under a running tap.

Note

- Do not take the NanoCloud rotary humidification wick off the wheel during cleaning.

- Do not scrub the NanoCloud rotary humidification wick or place it under direct sunlight.

- If necessary, use a mild detergent to clean the water tank and water tray. In this case, rinse the water tank and water tray thoroughly.

5 Wipe the outside of the water tank and water tray dry.
6 Place the wick wheel on the wick

7 Place the water tray back into the appliance (fig 14).
8 Place the water tank back into the appliance (fig 18).

Cleaning the pre-filter

Filter alert light statusFollow this
1.0 displays on the screen and wick& pre-filter cleaning alert goes onClean the pre-filter

PHILIPS AC3821 - Note - 1

Note

- if the pre-filter is damaged, worn or broken, do not use. Visit www.philips.com/support or contact the Consumer Care Center in your country.

1 Pull the top part of the back panel towards you to release it from the appliance (fig③).
2 To remove the pre-filter, press the two clips down and pull the filter towards you (fig 4)
3 Wash the pre-filter under a running tap. If the pre-filter is very dirty, use a soft brush to brush away the dust (fig ⑲)
4 Air dry the pre-filter

PHILIPS AC3821 - Note - 1

• Make sure that the pre-filter is completely dry. If it is still wet.

6 Touch and hold Ⓗ 3 seconds to reset the pre-filter cleaning time.

Descaling the NanoCloud rotary humidification wick

Filter alert light statusFollow this
FO displays on the screen and wick& pre-filter cleaning alert goes onDescale the NanoCloud rotary humidification wick

1 Pull out the water tank (fig ⑩).
2 Lift the water tray upwards and pull it out horizontally. (fig 37).
3 Take the wick wheel off the wick support (fig 38).
4 Soak the NanoCloud rotary humidification wick in cleansing agent (e.g. diluted white vinegar, Citric acid solution) for two hours (fig 40).

Note

  • Please use mid or acid cleanser
  • White vinegar (5% acetic acid) mix with equal amount of water
  • 24g citric acid with 4L water
  • If there are white deposits (limescale) on the filter, make sure that the side with the white deposits is immersed in the water.
  • Do not take the NanoCloud rotary

5 Rinse the NanoCloud rotary humidificationwick under the lap to rinse away vinegar or citric acid residues. During rinsing, turn the wick so that both front and back are rinsed (hg④1).
6 Air dry the NanoCloud rotary humidification wick (fig 42)

PHILIPS AC3821 - Note - 1

Note

- Do not put the NanoCloud rotary humidification wick under direct sunlight.

7 Touch and hold ⚙ 3 seconds to reset the NanoCloud rotary humidification wick clearing time.

6 Replace the filter and wick

Understanding the healthy air protect lock

This appliance is equipped with the healthy air protect lock to make sure that the Nano protect filter and the humidification wick are in optimal condition when the appliance is operating. When the Nano protect filter and the humidification wick are almost expired, the replacement light flashes and the filter code displays on the screen (see Filter alert chart). If you do not replace the filter and wick in time, the appliance will stop operating and get locked.

Replacing the NanoProtect filter

PHILIPS AC3821 - Replacing the NanoProtect filter - 1

- The air purification filter is not washable nor vacuum cleanable. - Always turn off the air purifier and unplug from the electrical outlet before replacing the filters.

Filter alert chart

Filter alert light statusFollow this
A.3 displays on the screenReplace NanoProtect filter HEPA Series 3 (FY2422)
C.7 displays on the screenReplace the NanoProtect filter Active Carbon (FY2420)
A.3 and C.7 display on the screen alternatelyReplace both filters

Replace the NanoProtect filter when flashes on the screen (fig 43).

1 Take out the used air filters according to the filter code displayed on the screen. Discard used filters (fig 44)

PHILIPS AC3821 - Replacing the NanoProtect filter - 2

Note

- Do not touch the pleated filter surface, or smell the filter as it has collected pollutants from the air. - Wash your hands after disposing of the used filters.

2 Remove all packaging material of the new filters (fig 6).

3 Place the new filters into the appliance (fig⑦).

4 Touch and hold Ⓐ 3 seconds to reset the NanoProtect filter lifetime counter.

Replacing the NanoCloud rotary humidification wick

Filter alert light statusFollow this
F1 is displayed and the filter replacement lightflashes on the screen. (fig 45)Replace the NanoCloud rotary humidification wick

1 Take the wick wheel off the wick support (fig 38).

2 Grip the shaft screw on the other side of the wheel, rotate it anticlockwise to release the wick from the wheel (fig 46).

3 Unfasten the locks on the edge of the wheel successively to disassemble the wick wheel (fig 47).

4 Take the used NanoCloud rotary humidification wick out (fig 48).

5 Remove all packaging material of the new NanoCloud rotary humidification wick (fig 49).

6 Place the new NanoCloud rotary humidification wick in the wick wheel, and then fasten the locks on the wick wheel (fig 50).

7 Place the wick wheel on the wick support (fig ⑬).

PHILIPS AC3821 - Note - 1

Note

- When placing the wick wheel on the wick support, make sure that the projections on the wick wheel falls into the corresponding grooves.

8 Place the water tray and water tank back into the appliance (fig 14)
9 Touch and hold Ⓤ 3 seconds to reset the NanoCloud rotary humidification wick lifetime counter

Replacing the anti- bacteria cartridge

Replace the anti-bacteria cartridge at least once a year to prevent bacteria from growing in the water tray.

1 Slide the anti-bacteria cartridge horizontally and take it from the water tray (fig 51).
2 Remove all packaging materials of the new anti-bacteria cartridge (fig 52)
3 Place the new anti-bacteria cartridge into the water tray and push it horizontally into the slot (fig 53)
4 Place the water tracy and water tank back into the appliance.
5 Touch and hold ⓣ 3 seconds to reset the lifetime counter of the anti-bacteria cartridge

7 Troubleshooting

This chapter summarizes the most common problems you could encounter with the appliance. If you are unable to solve the problem with the information below, contact the Consumer Care Center in your country.

Problem Possible solution
The appliance does not work even though it is plugged in.• The filter replacement light has been flashing but you have not replaced the NanoProtect filter, and the appliance is now locked. In this case, replace the filter and reset the filter lifetime counter.• The water refill light flashes. Make sure the water tank is properly installed and there is enough water in the water tank.
The appliance does not work even though it is switched on.• The appliance is working but the buttons are not responsive. Check if the child lock is on.
There are some while deposits on the NanoCloud rotary humidification wick.• The white deposits are called scale and they consist of minerals from the water. Scale on the NanoCloud rotary humidification wick affects the humidifying performance, however it does not harm your health. Follow the cleaning instructions in the user manual.
No air comes out of the air outlet.• Plug the appliance into the power supply and switch on.
The airflow that comes out of the air outlet is significantly weaker than before.• The pre-filter is dirty. Clean the pre-filter (see the chapter "Cleaning").• Make sure that you have removed all packaging material of the NanoProtect filter
The air quality does not improve, even though the appliance has been operating for a long time.One of the filters has not been placed in the appliance. Make sure that all filters are properly installed in the following order, starting with the innermost filter:1) NanoProtect filter HEPA Series 3 (FY2422);2) NanoProtect filter Active Carbon (FY2420), 3) pre-filter.The air quality sensor is wet. The humidity level in your room is high and causes condensation. Make sure that the air quality sensor is clean and dry (see chapter "Cleaning")
It takes a long time to reach the target humidity level.NanoCloud technology evenly distributes invisible water vapour into your room. In dry conditions moisture from the humidifier will be absorbed by walls, furniture, and other items in your room. Ventilation of dry outside air will also increase the lime it takes to reach the target humidity. To optimize humidification and purification performance, it's recommended to close doors and windows during use.
I do not see water vapor coming out of the appliance. Is it working?When mist is very fine, it is invisible. The appliance has a NanoCloud humidification technology, which produces healthy humid air from the outlet area without formation of water mist. Therefore, you cannot see the mist.
The appliance produces a strange smell.The first few times you use the appliance, it may produce a plastic smell. This is normal. However, if the appliance produces a burnt smell even if removing filters, contact your Philips dealer or an authorized Philips service center.The filter may produce smell after being used for a while because of the absorption of indoor air. Remove the filter and place it where it has direct sunlight and ventilation for several hours. Re-install and try using it again. If the odor remains, please replace the filter.
The appliance is quite loud.You have not removed all packaging material of the filters. Make sure that you have removed all packaging material.
The appliance still indicates that I need to replace a filter, but I already did.· Perhaps you did not touch and hold the Timer/Reset button Ⓤ correctly. Plug in the appliance, touch ⏻ switch on the appliance, and touch and hold the Timer/Reset button ⏱ or 3 seconds.
Error codes 'E1', 'E2', 'E3', 'E4' or 'E5' displays on the screen· The appliance has malfunctions. Contact the Consumer Care Center in your country.

English

8 Guarantee and service

If you need information or if you have a problem, please visit the Philips website at www.philips.com or contact the Philips Consumer Care Center in your country (you find its phone number in the worldwide guarantee leaflet). If there is no Consumer Care Centre in your country, go to your local Philips dealer.

Order parts or accessories

If you have to replace a part or want to purchase an additional part, go to your Philips dealer or visit www.philips.com/support.

If you have problems obtaining the parts, please contact the Philips Consumer Care Center in your country (you can find its phone number in the worldwide guarantee leaflet).

9 Notices

Electromagnetic fields (EMF)

This Philips appliance complies with all applicable standards and regulations regarding exposure to electromagnetic fields.

Compliance with EMF

Koninklijke Philips N.V. manufactures and sells many products targeted at consumers, which, like any electronic apparatus, in general have the ability to emit and receive electromagnetic signals.

One of Philips' leading Business Principles is to take all necessary health and safety measures for our products, to comply with all applicable legal requirements and to stay well within the EMF standards applicable at the time of producing the products.

Philips is committed to develop, produce and market products that cause no adverse health effects. Philips confirms that if its products are handled properly for their intended use, they are safe to use according to scientific evidence available today.

Philips plays an active role in the development of international EMF and safety standards, enabling Philips to anticipate further developments in standardization for early integration in

Recycling

Do not throw away the product with the normal household waste at the end of its life, but hand it in at an official collection point for recycling. By doing this, you help to preserve the environment. Follow your country's rules for the separate collection of electrical and electronic products. Correct disposal helps prevent negative consequences for the environment and human health

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Daftar Isi

1 Penting 23

Pengaman 23

Mengganti filter NanoProtect 36

Memasang kembali sumbu putar pelembap NanoCloud 37

Mengganti kartrid anti- bakleri 37

7 Troubleshooting 38

L Filter Active Carbon NanoProtect (FY2420)

M Keluaran udara

Tinjauan Kontrol (gbr. ②)

Tombel kontrol

Tombol daya

Tombol on/off mode 2-in-1

Tombol Timer/Reset

Panel layar:

Mode tidur

(A) Mode otomatis

Mode alergen

Mode pemurnian SAJA

Mode 2-in-1

Peringatan penggantian filter

Peringatan isi ulang air

Mengganti filter NanoProtect

PHILIPS AC3821 - Mengganti filter NanoProtect - 1

Catatan

The following text in the source image is illegible due to extreme pixelation and distortion. No characters, words, or symbols can be reliably extracted. Therefore, no OCR output can be generated that matches the visual content of the source image.

1.2.301169 3:48

C. โกราบ้าน

(A) หลักดิมมัล

The following functions for the

2

The source image contains no legible text or symbols. According to Rule 4 (Edge Noise Strategy), since the ground truth is not clearly visible, OCR should not output any character. Therefore, the corrected OCR text is:

[No legible text]

3 upper level level is the level (7)

Manual assistant
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Product information

Brand : PHILIPS

Model : AC3821

Category : Air purifier