E-20C-H-O / E-20CJ-H-O User Manual V2.1
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14. Alert
An audible alert will sound if the device is accidentally disconnected
from power when it is delivering air.
Note:
(1) The alert will not sound if power failure occurs when the device is
in standby state.
(2) No alert message on the screen during a power failure
An audible alert will sound if no airflow comes out of the machine;
the screen will display “Device Fault!!!”
When the airflow is on, an audible alert will sound if the air leak rate
exceeds 150 L/min; the screen will display “Leak!!”
If you use a battery rather than an external power adapter to power
the device, an audible alert will sound when the battery is low; the
screen will display “Low Input Voltage!!”
When humidifier is applied，an audible alert will sound when the
humidifier fails to work; the screen will display “Humidifier
Failure!!”
When the Filter Alert feature is enabled, an audible alert will sound if
the preset replacement time reaches but without replacing the air
filter; the screen will display “Please Change Filter!”
The screen will display “SD Card Full!” if the SD card has reached its
maximum capacity
The screen will display “Reinsert SD card!” if the SD card fails to
work
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