Philips AC4550 - The appliance produces a strange smell; The appliance is extra loud; The appliance still indicates that I need to replace a filter, but I already did

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Problem Possible solution
The appliance
produces a
strange smell.
• The rst few times you use the appliance, it may
produce a plastic smell. This is normal. However, if the
appliance produces a burnt smell even if removing
lters, contact your Philips dealer or an authorized
Philips service center. The lter may produce smell after
being used for a while because of the absorption of
indoor gases. It’s recommended that you reactivate the
lter by putting it in direct sunlight for repeated use. If
odor still exists, replace the lter.
The appliance is
extra loud.
• If the appliance is too loud, you can change the fan
speed to a lower fan speed level. When using the
appliance in a bedroom at night, choose the silent
speed.
The appliance still
indicates that I
need to replace a
lter, but I already
did.
• Perhaps you did not reset the lter lifetime counter.
Switch on the appliance. Then touch and hold the reset
button ( ) for 3 seconds.
Error code "E1"
displays on the
screeen.
• The motor has malfunctions. Contact the Consumer
Care Center in your country.
Error codes "E2",
"E3", "E4" or "E5"
displays on the
screen.
• The sensor has malfunctions. Contact the Consumer
Care Center in your country.