Philips AC4054 - Manual (Page 11)

Question Answer
Why doesn’t the
appliance work?
There may be a connection problem. Check if the plug is inserted in
the wall socket properly.
The appliance may not be switched on. AC4064/AC4054: press the
function selection button. AC4062/AC4052: press the on/off button.
The particle filter, the gas filter or the front panel may not be placed
properly. Reinsert the filters and reattach the front panel.
If you have performed the above checks and the appliance still does not
work, it may be malfunctioning. Unplug the appliance and take it to your
Philips dealer or an authorised Philips service centre.
Why doesn’t the clean
air come out smoothly
from the air outlet?
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.
Why are odours not
removed properly?
The gas filter may be dirty or may have reached the end of its life.
Clean the 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 this 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 up to 20m² for AC4054/AC4052
and 40m² for AC4064/AC4062.
Why are dust particles
not removed properly?
The particle filter may have reached the end of its life. Check the colour
of the particle filter (see chapter ‘Filter Replacement’) and replace the
filter, if necessary.
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 up to 20m² for AC4054/AC4052
and 40m² for AC4064/AC4062.
Why don’t the
fans 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.
Why does the
appliance produce an
unusual noise during
operation?
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.
English 11