JVD Shield Mode D'emploi page 24

MAINTENANCE
Read the maintenance instructions
below before opening the appliance.
After three years of use, or when the HOME
button flashes red, you must replace your Core
GB
in order for your air purifier to continue at its
optimal performance
Unplug the appliance
The appliance must be disconnected from the
power supply before any work is done on it.
Replacing the Core
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