Troubleshooting - Philips AC4372 User Manual

8 Troubleshooting

This chapter summarizes the most common
problems you could encounter with the purifier.
If you are unable to solve the problem with the
information below, contact the Consumer Care
Center in your country.
Problem Possible solution
The filter is full. Replace the filter
The , ,
and reset the purifier.
,
indicators
has been on
continuously.
No air The purifier is not connected
comes out to the power supply. Plug the
of the air purifier into the power supply
outlet. and switch on.
The fan
In mode, the fan speed
speed does
is set to a very low level. If you
not change
want to change the fan speed,
when the
press the
mode
more times to set the desired
is activated.
fan speed.
The airflow • The pre-filter is dirty. Clean
that comes the pre-filter (see 'Clean the
out of the pre-filter').
air outlet is • You have not removed all
significantly packaging material from the
weaker than filters. Make sure that you
before. have removed all packaging
material.
button one or
The air • One of the filters has not
quality been placed in the purifier.
does not Make sure that all filters are
improve, properly installed in the fol-
even though lowing order, starting with the
innermost filter: For AC4372:
the purifier
has been HEPA filter (4), activated
operating carbon filter (3), multi-care
for a long filter (2) and pre-filter (1). For
AC4374: Integrated Multi-care
time.
filter (2), pre-filter (1).
• 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 'Clean the air
quality sensor').
The color • The air quality sensor is dirty.
of the air Clean the air quality sensor
quality light (see 'Clean the air quality
always stays sensor').
the same.
I need You can change the air quality
cleaner air sensor sensitivity (see 'Set the
because sensitivity of the air quality
I have an sensor') to make the purifier
allergy. clean the air even better.
The purifier • You have not removed all
is extra packaging material from the
loud. filters. Make sure that you
have removed all packaging
material.
• You can change the fan speed
to lower fan speed level.
The purifier Perhaps you did not press the
still indicates button to reset the filter
that I need
lock properly. Plug in the purifier,
to replace
press the
a filter, but I
and hold the
already did.
seconds.
button and press
button for 3
EN
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