User Guide

Frequently asked questions
Thischapterliststhequestionsmostfrequentlyaskedabouttheappliance.Ifyoucannotndthe
answer to your question, please contact the Customer Care Centre in your country.
General:
Question Answer
Whydoesn’tthe
selected function/time
mode work?
The appliance may be in standby mode or may be switched off.
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lter,thegaslterorthefrontpanelmaynotbeplaced
properly.Reinsertthelters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-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.
Why are odours not
removed properly?
Thegasltermaybedirtyormayhavereachedtheendofitslife.
Cleanthe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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ltermayhavereachedtheendofitslife.Checkthecolour
oftheparticlelter(seechapter‘FilterReplacement’)andreplacethe
lter,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.
ENGLISH 11