Philips AC4064 Manual page 12

English
12
Problem
The clean air doesn't
come smoothly out of
the air outlet
The odours are not
removed properly.
The dust particles are
not removed properly.
The fans do not work,
even though the
appliance is plugged in
and switched on.
The appliance produces
an unusual noise (e.g. a
hissing, sizzling or
crackling noise) during
operation.
Solution
The pre-filter may be clogged. Clean the pre-filter (see chapter
'Cleaning and maintenance').
Perhaps you forgot to remove the plastic wrapper of a new filter.
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.
Clean the filters 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 zeolite gas filter may be dirty or may have reached the end of its
life. Clean the zeolite gas filter (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 AC4054/
AC4052 and 6m² up to 40m² for AC4064/AC4062.
The ESP particle filter may have reached the end of its life. Check the
colour of the ESP particle filter (see chapter 'Filter Replacement'). If
necessary, replace the filter.
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 AC4054/
AC4052 and 6m² up to 40m² for AC4064/AC4062.
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 pre-filter may be clogged. Clean the pre-filter (see chapter
'Cleaning and maintenance').
Perhaps you forgot to remove the plastic wrapper of a new filter.
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.