Philips MicroCube AC5659 User manual

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Control buttons
Display panel
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D
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© 2017 Koninklijke Philips N.V.
All rights reserved.
4241 210 94661
AC5659
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1EN
English
Contents
1 IMPORTANT SAFEGUARDS 2
2 Your air purier 8
Product overview (g.a) 8
Controls overview (g.b) 9
3 Getting started 9
Installing the lters 9
Wi-Fi setup 10
4 Using the air purier 11
Understanding the air quality light 11
Turning on and o 11
Changing the Auto mode setting 12
Changing the fan speed 12
Switching the display indicator 13
Using the light on/o function 13
Setting the child lock 13
5 Cleaning 14
Cleaning the body of the air
purier 14
Cleaning the air outlet cover 14
Cleaning the air quality sensor 14
Cleaning the pre-lter 15
6 Replacing the lters 16
Filter replacement indicator 16
Replacing the lters 16
Filter reset 17
7 Storage 17
8 Troubleshooting 18
9 Warranty 21
10 Accessories 22
11 Disposal 22
Environmental friendly paper used. Thanks for your contribution to save trees.

2EN
1 IMPORTANT
SAFEGUARDS
READ AND SAVE THESE
SAFETY INSTRUCTIONS
BEFORE USING THIS AIR
PURIFIER
When using electrical
appliances, basic precautions
should always be followed to
reduce the risk of fire, electric
shock, and injury to persons,
including the following:
• Read all instructions
before operating the air
purifier.
• Do not expose the air
purifier to rain, or use
near water, in a bathroom,
laundry area or other
damp location.
• Do not use the air purifier
where combustible gases
or vapors are present.
• Do not block the air inlet
and outlet by placing
items on the air outlet
or in front of the air inlet.
Do not insert fingers or
foreign objects into the air
outlet or air inlet.
• 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.
• Check if the voltage
indicated on the
appliance corresponds to
the local power voltage
before you connect the
appliance to the electrical
outlet.
• Always switch the air
purifier OFF and unplug
from the electrical outlet
after using and before
cleaning, moving and
changing the filters. Be
sure to remove the plug
from the outlet. Never
handle the power plug
with wet or damp hands.
• Only use the power cord
supplied with the air
purifier.

3EN
English
• Keep the cord out of
heavy traffic areas and
arrange cord so that it will
not be tripped over.
• Do not put the cord under
carpets or throw rugs or
near heat vents and open
flames.
• Locate the air purifier near
an electrical outlet and
avoid using an extension
cord.
• Do not use the plug in
or near a power outlet
that contains an electric
air freshener to prevent
damage to the plug.
• Do not use the air purifier
outdoors. For indoor use
only.
• If an extension cord must
be used, exercise care.
• The marked electrical
rating of the cord must be
as great as the rating of
the air purifier.
• Do not operate any air
purifier with a damaged
cord or plug. Discard air
purifier or call 1-866-309-
8817 for assistance.
• Do not run cord under
carpeting. Do not cover
cord with throw rugs,
runners, or similar
coverings. Do not route
cord under furniture or
appliances. Arrange cord
away from traffic area
and where it will not be
tripped over.
• The cord should be
arranged so that it will not
drape over the edge of
a counter or table where
it could be pulled by
children or tripped over
unintentionally.
• Do not operate this
appliance if it has a
damaged power cord,
plug or motor, if it is
not working properly
or after the appliance
malfunctions or has been
damaged in any manner.
For assistance call
1-866-309-8817.
• Close supervision is
necessary when the
appliance is used by,
on, or near children or
invalids.
• This appliance is not a
toy. Children should be
supervised to ensure they
do not play with the air
purifier.

4EN
there is no guarantee that
interference will not occur
in a particular installation.
If this product does cause
harmful interference to radio
or television reception, which
can be determined by turning
the equipment off and on,
the user is encouraged to try
to correct the interference by
one or more of the following
measures:
• Reorient or relocate the
receiving antenna.
• Increase the separation
between the equipment
and receiver.
• Connect the equipment
into an outlet on a circuit
different from that to
which the receiver is
connected.
• Consult the dealer or an
experienced radio/TV
technician for help.
Please take attention that
changes or modification
not expressly approved by
the party responsible for
compliance could void the
user’s authority to operate the
equipment.
WARNING: To reduce the
risk of fire or electric shock,
do not use this air purifier
with any solid-state speed
control device.
This device complies with
Part 15 of the FCC Rules.
Operation is subject to the
following two conditions:
(1) This device may not cause
harmful interference, and
(2) This device must accept
any interference received,
including interference
that may cause undesired
operation.
Note: This product has been
tested and found to comply
with the limits for a Class
B digital device, pursuant
to Part 15 of the FCC Rules.
These limits are designed
to provide reasonable
protection against harmful
interference in a residential
installation. This product
generates, uses, and can
radiate radio frequency
energy and, if not installed
and used in accordance with
the instructions, may cause
harmful interference to radio
communications. However,

5EN
English
This equipment should be
installed and operated with
a minimum distance 20cm
between the radiator and
your body.
This device complies with
Industry Canada licence-
exempt RSS standard(s).
Operation is subject to the
following two conditions:
(1) this device may not cause
interference, and
(2) this device must accept
any interference, including
interference that may cause
undesired operation of the
device.
Under Industry Canada
regulations, this radio
transmitter may only operate
using an antenna of a type
and maximum (or lesser) gain
approved for the transmitter
by Industry Canada. To
reduce potential radio
interference to other users,
the antenna type and its gain
should be so chosen that
the equivalent isotropically
radiated power (e.i.r.p.) is not
more than that necessary for
successful communication.

6EN
sensor and pre-filter (see
'Cleaning') before storing.
• Make sure that you
plug the appliance into
a properly connected
electrical outlet.
• Always place and use the
appliance on a dry, stable,
level, and horizontal
surface. Make sure the air
purifier cannot be easily
knocked over by a person
or object.
• Leave at least 20cm/8in
free space behind and
on both sides of the
appliance and leave
at least 30cm/12in
free space above the
appliance.
• Do not place anything on
top of the appliance.
• Do not sit, stand or place
heavy objects on the air
purifier.
• Do not place the
appliance directly below
an air conditioner to
prevent condensation
from dripping onto the
appliance.
Caution
• This appliance is not
a substitute for proper
ventilation, regular
cleaning, or use of an
exhaust fan or hood while
cooking.
• A loose fit between the
AC outlet (receptacle)
and plug may cause
overheating and a
distortion of the plug.
Contact a qualified
electrician to replace
loose or worn outlet.
• Never use the air
purifier unless it is fully
assembled and with filters
in place.
• The air purifier must
be used in its upright
position.
• Make sure the air purifier
is assembled/connected
properly after cleaning
the air quality sensor and
pre-filter or replacing the
filters.
• If the air purifier will not
be used for a long period
of time, unplug from the
electrical outlet, clean
the appliance, air quality

7EN
English
• 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.
• Do not use the filter
as fuel or for similar
purposes.
• Avoid knocking against
the appliance (the air inlet
and outlet in particular)
with hard objects.
• Always lift or move the
appliance by the handle
on back side of the
appliance.
• NEVER tilt, move or
attempt to change or
replace a filter while the
air purifier is operating.
Switch OFF and unplug
from the electrical outlet.
Do not move the air
purifier by pulling on the
power cord.
• Do not use this appliance
when using 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.
• Do not use the appliance
in a room with major
temperature changes,
as this may cause
condensation inside the
appliance.
• To prevent interference,
place the appliance at
least 2 meters/6 1/2 feet
away from electrical
appliances that use
airborne radio waves such
as TVs, radios, and radio-
controlled clocks.
• Use this air purifier for
its intended household
use as described in
this manual. Do not
use attachments not
recommended by Philip's
North America LLC.
• The appliance does
not remove carbon
monoxide (CO) or radon
(Rn). It cannot be used
as a safety device in
case of accidents with
combustion processes
and hazardous chemicals.

8EN
• Always wash your hands
thoroughly after changing
or cleaning a filter.
• Unplug the appliance to
override smart enabled or
remote functions.
SAVE THESE
INSTRUCTIONS
• This appliance has a
polarized plug (one
blade is wider than the
other). To reduce the risk
of electric shock, this
plug is intended to fit in
a polarized outlet only
one way. If the plug does
not fit fully in the outlet,
reverse the plug. If it
still does not fit, contact
a qualified electrician.
DO NOT ATTEMPT TO
DEFEAT THIS SAFETY
FEATURE.
2 Your 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.
Product overview (g.a)
AControl buttons
BAir outlet cover
CAir quality sensor
DDisplay panel
ENanoProtect filter True HEPA
(FY5185)
FNanoProtect filter Active Carbon
(FY5182)
GPre-filter
HSide covers

9EN
English
3 Getting started
Installing the lters
Note
• Make sure the air purifier is unplugged
from the electrical outlet before
installing the filters.
• Make sure the side of the filter with the
tag is pointing towards you.
1 Pull the top part of the side panel
to remove it from the the air purifier
(fig.c).
2 Press the two clips down (1) and
pull the pre-filter towards you (2)
(fig.d).
3 Remove all filters (fig.e).
4 Remove all packaging materials
from the filters (fig.f).
5 Place the thick HEPA filter (FY5185)
into the air purifier and then the thin
activated carbon filter (FY5182). The
model numbers are shown on each
filter (fig.g).
6 Attach the pre-filter back into the
air purifier (fig.h).
Note
• Make sure the side with the two clips
is pointing towards you, and that all
hooks of the pre-filter are properly
attached to the purifier.
7 Reattach the front panel by pressing
the top part of the panel onto the
top of the air purifier (1). Then,
gently push the panel against the
body of the air purifier (2) (fig.i).
Controls overview (g.b)
Control buttons
IPower on/off button
JLight dimming button
KAuto mode button
LFan speed button
MChild lock button
NReset button
Display panel:
Sleep mode
Speed 1
Speed 2
Speed 3
Turbo mode
Filter replacement alert
Pre-filter cleaning alert
Wi-Fi indicator
Gas display
PM2.5 display
Indoor Allergen Index
General mode
Allergen mode
Bacteria&Virus mode
Child lock indicator

10 EN
Note
• This instruction is only valid when
the air purifier is being set up for the
first time. If the network has changed
or the setup needs to be performed
again, consult section “Setting up the
Wi-Fi connection when the network
has changed” on page 11.
• If you want to connect more than one
air purifier to your smart device, you
have to do this successively. Complete
the set up of one air purifier before you
turn on the other air purifier.
• Make sure that the distance between
your mobile device and the air
purifier is less than 10 m without any
obstructions.
• This App supports the latest versions
of Android and iOS. Please check
www.philips.com/purifier-compatibility
for the latest update of supported
operating systems and devices.
Setting up the Wi-Fi connection
when the network has changed
Note
• This applies when your default network
connected with your air purifier has
changed.
1 Put the plug of the air purifier in the
wall outlet and touch to turn on
the air purifier.
2 Touch and simultaneously for
3 seconds until you hear a beep.
»The air purifier goes to pairing
mode.
»The Wi-Fi indicator blinks
orange.
3 Follow the steps 4-5 in "Setting up
the Wi-Fi connection for the first
time" section.
8 Repeat the above steps and
assemble the filter for the other side
of the air purifier.
9 Wash your hands thoroughly after
installing filters.
Wi-Fi setup
Setting up the Wi-Fi connection
for the rst time
1 Download and install the 'Air
Matters' App developed by
FreshIdeas Studio from the App
Store or Google Play.
2 Put the plug of the air purifier in the
wall outlet and touch to turn on
the air purifier.
»The Wi-Fi indicator blinks
orange for the first time.
3 Make sure that your mobile device
is successfully connected to your
Wi-Fi network.
4 Launch the 'Air Matters' App and
follow the onscreen instructions
to connect the air purifier to your
network.
5 After the successful pairing and
connection, the Wi-Fi indicator
will light up white. If pairing
is not successful, consult the
troubleshooting section, or the
help section in the 'Air Matters'
App for extensive and up-to-date
troubleshooting tips.

11EN
English
4 Using the air
purifier
Understanding the air
quality light
Indoor Allergen Index (IAI) is a
real-time numerical display that provides
visual and immediate feedback on
indoor allergen level.
IAI Air quality
light color
Air quality
level
1-3 Blue Good
4-6 Blue-
Purple
Fair
7-9 Purple-
Red
Poor
10-12 Red Very poor
The air quality light automatically goes
on when the air purifier is switched on,
and lights up all colors in sequence.
After approximately 30 seconds, the
air quality sensors select the color that
corresponds to the surrounding air
quality of airborne particles.
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.
GAS
With a professional-grade gas sensor, a
display ranging from L1 to L4 shows the
density level of potential harmful gases
(incl. VOC, odor, etc.) detected.
Turning on and o
Note
• Always place the air purifier on a
stable, horizontal, and level surface
with the front of the unit facing away
from walls or furniture.
• For optimum purification performance,
close doors and windows.
• Keep curtains away from the air inlet or
air outlet.
1 Put the plug of the air purifier in the
wall outlet.
2 Touch to switch on the air purifier
(fig.j).
»The air purifier beeps.
»The air purifier operates under
the allergen mode by default.
»When the air purifier is warming
up, " " displays on the
screen. After measuring the
particulate matter only in the
air, the air purifier shows the IAI
level and operates in the auto
mode with displayed on the
screen (fig.k).
»After measuring the air
quality for approximately
30 seconds, the air quality
sensor automatically selects
the appropriate air quality light
color.
3 Touch and hold for 3 seconds to
switch off the air purifier.

12 EN
Note
• If the air purifier stays connected to the
electrical outlet after turning OFF, the air
purifier will operate under the previous
settings when turned ON again.
Changing the Auto mode
setting
You can choose the Allergen mode
( ), the General mode ( )or the
Bacteria & Virus mode ( ).
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 to
select the Allergen mode (fig.l).
»Auto ( ) and display on the
screen.
General mode
A smart auto-setting that automatically
adjusts the air purifier’s settings to the
ideal level.
• Touch the Auto mode button to
select the General mode (fig.m).
»Auto ( ) and display on the
screen.
Bacteria & Virus mode
The bacteria & virus mode boosts the
airflow to quickly reduce bacteria &
viruses.
• Touch the Auto mode button to
select the Bacteria & Virus mode
(fig.n).
»Auto ( ) and display on the
screen.
Changing the fan speed
In addition to the Auto modes, there are
several fan speeds available.
When using the manual fan speed
settings, the purifier will still monitor the
air quality, but it will not automatically
adjust the fan speed if it detects changes
in the air quality.
Sleep mode ( )
In sleep mode, the air purifier operates
quietly at a very low speed.
• Touch the fan speed button to
select the sleep mode (SL) (fig.o).
»The " " displays on the screen.
»The sleep mode indicator goes
on.
Manual
• Touch the fan speed button
repeatedly to select the fan speed you
need (fig.p):
(Speed 1)
(Speed 2)
(Speed 3).
Tip
• If the air quality light lights up blue, it
indicates that the air quality is good,
and you can select a lower fan speed.
On the other hand, if the air quality light
lights up red-purple or red, it indicates
that the air quality is unhealthy, and you
can select a higher fan speed to purify
the air more quickly.

13EN
English
Note
• It is possible that the air quality light
may still be red even if the PM2.5 index
is very low. It's normal. This is because
that at least one of the index ( the IAI
index or Gas level) is high that turns
the air quality light to red.
Using the light on/o
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 will go off.
3 Touch the light dimming button
for the third time, all lights will be on
again.
Setting the child lock
1 Touch and hold the child lock
button for 3 seconds to activate
child lock (fig.u).
»The child lock icon displays
on the screen.
»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.
»The child lock icon
disappears.
Turbo (t)
In Turbo mode, the air purifier operates
on the highest speed.
• Touch the fan speed button to
select the Turbo mode ( ) (fig.q).
»The " " displays on the screen.
»The turbo speed indicator
goes on.
Switching the display
indicator
The air purifier has three display
indicators, IAI index, PM2.5 index, and
Gas level.
Note
• The air purifier operates in IAI index by
default.
1 Touch the light dimming button
for 3 seconds again to switch to
PM2.5 index (fig.r).
»The PM2.5 indicator and the
actual PM2.5 index display on
the screen.
2 Touch the light dimming button
for 3 seconds to switch to IAI index
(fig.s).
»The IAI indicator and the actual
IAI index display on the screen.
3 Touch the light dimming button
for 3 seconds again to switch to
Gas level display (fig.t).
»The Gas indicator and the
actual Gas level display on the
screen.

14 EN
3 To reattach the cover, mount it onto
the top of the appliance first, and
then push the side with the handle
towards the appliance (fig.x).
Cleaning the air quality
sensor
Clean the air quality sensor every
2 months for optimal functioning of the
purifier.
Note
• If the air purifier is used in a dusty
environment, it may need to be
cleaned more often.
• If the humidity level in the room is
very high, condensation may develop
on the air quality sensor and the air
quality light may indicate a more poor
air quality even though the air quality
is actually good. If this occurs, clean
the air quality sensor or use the air
purifier on a manual speed setting.
1 Switch off the air purifier and
unplug from the wall outlet.
2 Clean the air quality sensor inlet
and outlet with a soft brush (fig.y).
3 Remove the air quality sensor cover
(fig.z).
4 Clean the air quality sensor, the
dust inlet and the dust outlet with a
damp cotton swab (fig.{).
5 Dry all parts thoroughly with a dry
cotton swab.
6 Reattach the air quality sensor
cover (fig.|).
5 Cleaning
Note
• Always turn the air purifier off and
unplug from the electrical outlet
before cleaning.
• Never immerse the air purifier 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 air purifier.
• Only the pre-filter is washable.
The HEPA and AC air filters are not
washable.
• Do not attempt to clean the filters or
air quality sensor with a vacuum.
Cleaning the body of the
air purier
Regularly clean the inside and outside
of the air purifier to prevent dust from
collecting.
1 Use a soft, dry cloth to clean both
the interior and exterior of the air
purifier.
2 The air outlet can also be cleaned
with a dry, soft cloth.
Cleaning the air outlet
cover
1 To unlock the air outlet cover, grab
the handle on the cover and pull
the cover up (fig.v).
2 Clean the cover with a brush
(fig.w).

15EN
English
9 Touch and hold the reset button
for 3 seconds to reset the pre-filter
cleaning time.
10
Wash your hands thoroughly after
installing filters.
Cleaning the pre-lter
Clean the pre-filter when F0 is displayed
on the screen and the pre-filter cleaning
indicator is on (fig.}).
1 Switch off the air purifier and
unplug from the wall outlet.
2 Pull the top part of the side panel
to remove it from the air purifier
(fig.c).
3 Press the two clips down (1) and
pull the pre-filter towards you (2)
(fig.d).
4 If the pre-filter is very dirty, use a
soft brush to brush away the dust.
Then wash the pre-filter under
running tap water (fig.~).
5 Allow the pre-filter to air dry
thoroughly before placing back in
the air purifier.
6 Put the pre-filter back into the air
purifier (fig.h).
Note
• To optimize the lifetime of the pre-
filter, make sure it air dries completely
after cleaning.
• Wash your hands after handling the
filter.
• Make sure the side with the two clips
is pointing towards you, and that all
hooks of the pre-filter are properly
attached to the air purifier.
7 To reattach the front panel, press
the top part of the panel onto the
top of the air purifier (1). Then,
gently push the panel against the
body of the air purifier (2) (fig.i).
8 Put the plug of the air purifier in the
wall outlet.

16 EN
6 Replacing the
filters
Filter replacement
indicator
This air purifier is equipped with a
filter replacement indicator to make
sure that the air purification filter is in
optimal condition when the air purifier
is operating. When the filters need to be
replaced, the filter code displays on the
screen (see Filter alert chart).
If the filters are not replaced in time,
the air purifier will stop operating and
automatically lock to protect the air
quality in the room. Replace the filters
as soon as possible according to the
filter code.
Replacing the lters
Note
• The HEPA and AC air filters are not
washable or reusable.
• Always turn off the air purifier and
unplug from the electrical outlet
before replacing the filters.
• Do not clean the filters with a vacuum.
• If the pre-filter is damaged, worn or
broken, do not use. Visit
www.philips.com/support or call
1-866-309-8817 for assistance.
Filter alert light
status
Action
A3 displays on the
screen and the
filter replacement
alert goes on
Replace the
NanoProtect
filter True HEPA
(FY5185)
C7 displays on the
screen and the
filter replacement
alert goes on
Replace the
NanoProtect filter
Active Carbon
(FY5182)
A3 and C7 display
on the screen
alternately and the
filter replacement
alert goes on
Replace both
filters
1 Turn off the air purifier and unplug
from the wall outlet.
2 Take out the used air filter according
to the filter alert light status
displayed on the screen. Discard
used filters (fig.).
Note
• Do not touch the pleated filter surface,
or smell the filters as they have
collected pollutants from the air.
3 Remove all packaging material from
the new filters (fig.f).
4 Place the new filters into the air
purifier (fig.g).
5 Put the plug of the air purifier in the
wall outlet.
6 Touch and hold the reset button
for 3 seconds to reset the filter
lifetime counter.
Note
• Wash your hands after changing a filter.
• This air purifier has no other user-
serviceable parts. For assistance, call
1-866-309-8817.

17EN
English
Filter reset
You can replace filters even if there is
no filter replacement code displayed on
the screen. After replacing a filter, you
need to reset the filter lifetime counter
manually.
1 Touch and simultaneously for
3 seconds to enter the filter reset
mode (fig.€).
»Code (A3) of the NanoProtect
filter True HEPA displays on the
screen.
2 Touch and hold for 3 seconds to
force reset the filter lifetime counter
of the NanoProtect filter True HEPA
(fig.).
3 Code (C7) of the NanoProtect filter
Active Carbon displays on the
screen after the lifetime counter of
the NanoProtect filter True HEPA
has been reset (fig.‚).
4 Touch and hold for 3 seconds to
force reset the filter lifetime counter
of the NanoProtect filter Active
Carbon and exit the filter reset
mode (fig.‚).
7 Storage
1 Turn off the air purifier and unplug
from the wall outlet.
2 Clean the air purifier, air quality
sensor and pre-filter (see chapter
‘Cleaning’).
3 Let all parts air dry thoroughly
before storing.
4 Wrap the filters and pre-filters
separately in air tight plastic bags.
5 Store the air purifier, filters and pre-
filters in a cool, dry location.
6 Always thoroughly wash hands
after handling filters.

18 EN
8 Troubleshooting
This chapter summarizes the most common problems you could encounter with the air
purifier. If you are unable to solve the problem with the information below, visit
www.philips.com/support or call 1-866-309-8817 for assistance.
Problem Possible solution
The air purier
does not work
even though it is
plugged into the
wall outlet and
switched on.
• The timer is set to a specific time interval. Reset or turn off
the timer.
• Try a different electrical outlet or check the wall switch.
• The filter alert status is displaying the filter code. Replace
the corresponding filter and reset the filter lifetime counter
(see chapter "Replacing the filters").
• If the problem persists, visit www.philips.com/support or
call 1-866-309-8817 for assistance.
The air purier
does not work
even though it is
switched on.
• The filter replacement indicator has been on continuously
but you have not replaced the corresponding filter, and the
air purifier is now locked. In this case, replace the filter and
reset the filter lifetime counter.
The air purier
accidentally
powers o.
• The air purifier restarts automatically and goes to the
previous mode when the power resumes.
The airow that
comes out of
the air outlet
is signicantly
weaker than
before.
• The pre-filter is dirty. Clean the pre-filter (see chapter
"Cleaning").
The air quality
does not improve,
even though the air
purier has been
operating for a
long time.
• One of the filters has not been placed in the air purifier or
a filter is not placed properly. Make sure that all filters are
properly installed in the following order, starting with the
innermost filter: 1) NanoProtect filter True HEPA (FY5185);
2) NanoProtect filter Active Carbon (FY5182); 3) pre-filter.
• The air quality sensor is wet. Make sure that the air quality
sensor is clean and dry (see chapter "Cleaning").
The color of the air
quality light always
stays the same.
• The air quality sensor is dirty. Clean the air quality sensor
(see chapter "Cleaning").