Switching The Display Indicator; Using The Light On/Off Function; Checking The Filter Status; Cleaning And Maintenance - Philips AC4231 Benutzerhandbuch

Switching the display indicator

Note:
• The IAI level is displayed on the central of the screen by default�
1
Touch the button once to switch the display indicator (fig

Using the light on/off function

With the light sensor, the control panel can automatically turn on, turn off or dim according to
the ambient light� The control panel will be off or dim when the ambient light is dark� You can
touch any button to wake up all lights� Then, if no further operation, all lights will be off or dim
again to match with the ambient light (fig
You can touch and hold the
control panel� Touch any button to wake up all lights (fig

Checking the filter status

• Touch the filter status check/reset
» The percentage of remaining service life of the filter displays on the screen�
Icon color Filter life indication
Blue Optimal service life
Blue-purple Good service life
Purple-red Service life almost reaches the end
Red Service life ends, replace the filter
Note: The appliance goes back to normal display if no operations after 3 seconds�
5

Cleaning and maintenance

Note:
• Always unplug the appliance before you clean it�
• Never immerse the appliance in water or any other liquid�
• Never use abrasive, aggressive, or flammable cleaning agents such as bleach or alcohol to
clean any part of the appliance�
• Never use any liquids (including water) to clean the filter�
• Do not attempt to clean the particle sensor and gas sensor with a vacuum cleaner�
EN
10
)�
o
button for 3 seconds manually to turn off all lights and the
button to check the filter service life status (fig
)�
n
)�
p
Display (%)
16-100
9-15
4-8
0-3
)�
q