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Philips AC4091 - Troubleshooting

Philips AC4091
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18 EN
Problem Possible solution
The color
of the air
quality light
always stays
the same.
There is not enough ventilation
in the room. Open a window,
to improve the air circulation.

is extra loud.
You have not removed all
packaging material from the

removed all packaging material.
You can change the fan speed
to lower fan speed level.

still indicates
that I need
to replace a

already did.
Perhaps you did not press the
button properly. Plug in

button and press the
button for 2 seconds.
9 Troubleshooting
This chapter summarizes the most common
problems you could encounter with the

with the information below, contact the
Consumer Care Center in your country.
Problem Possible solution

light has
been on
continuously.


No air
comes out
of the air
outlet.

to the power supply. Plug the

and switch on.
The fan
speed does
not change
when the
silent mode
is activated.
In silent mode, the fan speed
is set to a very low level. If
you want to change the fan
speed and leave the silent
mode, press the
button
one or more times to set the
desired fan speed.

that comes
out of the
air outlet is

weaker than
before.



You havent removed all
packaging material from the

removed all packaging material.
The air
quality does
not improve,
even though

has been
operating
for a long
time.



installed in the following order,
starting with the innermost


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