Bosch Air 4000 Notice D'installation page 47

5 Cleaning and maintenance
5.1 Cleaning the housing of the air purifier
Regularly clean the inside and outside of the housing of the air purifier to
prevent dust from collecting.
▶ Wipe the surface with a damp cloth.
▶ Use a soft, dry cloth to clean both the interior and exterior of the air
purifier and the air outlet.
5.2 Cleaning the particle sensor
Note:
• If the air purifier is used in a dusty environment, it may need to be
cleaned more often.
• If the humidity level in the room is very high, condensation may
develop on the particle sensor and the air quality light may indicate a
poorer air quality even though the air quality is good.If this occurs,
clean the particle sensor.
Clean the particle sensor every month for optimal functioning of the
appliance.
Fig. 56 Air quality sensor cover
Air 4000 – 6721848798 (2023/01)
1.
Fig. 57 Cleaning the air quality sensor
▶ Switch off the air purifier and unplug from the power socket.
▶ Pull the back cover from the sensor and remove it from the appliance.
▶ Clean the particle sensor with a damp cotton swab.
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▶ Dry all parts with a dry cotton swab.
▶ Reattach the cover of the sensor.
5.3 Cleaning the filter
CAUTION
Wear a mask and gloves when cleaning the filter surface and/or replacing
the filter.
▶ Switch off the air purifier and unplug it from the power socket.
▶ Lay the appliance horizontally in a steady surface.
▶ Rotate and pull the bottom cover and remove it from the appliance.
▶ Pull the filter from the appliance.
Cleaning and maintenance
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