8Vh Wkh Dlu Sxulàhu; Understand The Air Quality Light; Understand The Auto Mode; Understand The Healthy Air Protect Alert - Philips AC4091 User Manual

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4 Use the air
SXULILHU
Understand the air quality
light
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light
Blue
Deep purple
Purple
Red
The air quality light automatically goes on
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indicator goes on.
Press the
button, and the air quality
light dims and blinks. The
on.
Press the
button again to turn off the
air quality light.
Note
The built-in air quality sensor measures the air quality
and automatically selects the appropriate color of
the air quality light. When the air is clean, the color
of the air quality light is in blue or deep purple.
When the air quality deteriorates, the color of the air
quality light changes to purple or red.

Understand the auto mode

The built-in air quality sensor automatically
measures the ambient air quality, and selects
the most appropriate fan speed.
8
EN
All manuals and user guides at all-guides.com
Air quality level
excellent
good
fair
bad
indicator goes
Understand the healthy air
protect alert
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protect alert combination
Filter light
and
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Filter light
and
ÁDVK
Understand the healthy air
protect lock
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and the
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locked.
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illuminate continuously.
Note
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depends on the operating time and speed level
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$SSUR[LPDWHO\  GD\ EHIRUH WKH SXULÀHU ORFNV LW
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needs to be replaced.
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holding the
button.
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LQGLFDWH
Follow this
Clean the pre-
ÀOWHU
Replace the
Formaldehyde
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DQG WKH

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