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Problem Solution
Clean the lters and the corona particle charger (see chapter ‘Cleaning
and maintenance’). If this does not help, unplug the appliance and take it
to your Philips dealer or an authorised Philips service centre.
The odours are not
removed properly.
The zeolite gas lter may be dirty or may have reached the end of its
life. Clean the zeolite gas lter (see chapter ‘Cleaning and maintenance’)
or replace it (see chapter ‘Filter replacement’).
Perhaps you use the appliance in a room in which the ambient air
quality is very poor. In that case, open windows to improve the air
circulation.
Perhaps you use the appliance in a room that is much bigger than the
room size the appliance is intended for. Put the appliance in a smaller
room. The recommended room size is 6m² up to 20m² for AC4055/
AC4053 and 6m² up to 40m² for AC4065/AC4063.
The dust particles are
not removed properly.
The ESP particle lter may have reached the end of its life. Check the
colour of the ESP particle lter (see chapter ‘Filter Replacement’). If
necessary, replace the lter.
Perhaps you use the appliance in a room that is much bigger than the
room size the appliance is intended for. Put the appliance in a smaller
room. The recommended room size is 6m² up to 20m² for AC4055/
AC4053 and 6m² up to 40m² for AC4065/AC4063.
The fans do not work,
even though the
appliance is plugged in
and switched on.
The appliance may be malfunctioning. Switch off the appliance and
unplug it. Take the appliance to your Philips dealer or an authorised
Philips service centre.
The appliance produces
an unusual noise (e.g. a
hissing, sizzling or
crackling noise) during
operation.
The pre-lter may be clogged. Clean the pre-lter (see chapter
‘Cleaning and maintenance’).
Perhaps you forgot to remove the plastic wrapper of a new lter.
Remove the plastic wrapper before you switch on the appliance again.
The air inlet or outlet may be blocked by external objects. Remove the
object that blocks the air inlet or outlet.
The appliance may be malfunctioning. Switch off the appliance and
unplug it. Take the appliance to your Philips dealer or an authorised
Philips service centre.
Perhaps the mesh of the corona particle charger is not clean. Clean the
corona particle charger (see chapter ‘Cleaning and maintenance’).
The appliance produces
a burning smell during
operation
The appliance may be malfunctioning. Switch off the appliance and
unplug it. Take the appliance to your Philips dealer or an authorised
Philips service centre.
The appliance gives off
an unusual smell during
operation.
In case of an unusual smell, contact an authorised Philips service centre.
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