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10
4.
HEPA
fi
lter: The air
purifier
saves the usage time and reminds you to replace the
fi
lter.
If
fl
ashes with multiple beeps, the HEPA
fi
lter must be replaced. Please replace
immediately.
Reset timer: Press the "HEPA Reset" button and hold it down for 5 seconds after changing the
fi
lter. A long beep indicates that the timer has been reset.
5.
UV lamp: the air
purifier
saves the usage time and reminds you to replace the bulb.
If
fl
ashes with multiple beeps, the UV bulb must be replaced. Please inform customer
service.
AP-40
User Manual
HEPA-Filter Replacement
Indicator
UV-Bulb Replacement
Indicator