4.Intelligent reminder for filter screen replacement:
1)Turn off the power supply and pull the power plug off the socket.
2)Open the rear cover and take down the primary filter screen according to the same
method specified in “Cleaning of primary filter screen”.
3) Take out the HEPA composite filter screen to be replaced from the frame of the
machine according to the replacement indication of the display panel, and then
put the new filter screen into the filter screen frame in sequence, and lastly install
the filter assembly back on the machine.
Medic al
Filter
Primary Filter
Screen
Front Cover
4) Turn on the power supply. In startup state, when the red light is normally on,
press the FILTER SCREEN key for 5 seconds for resetting and new timing.
In the normal startup state, press the FILTER SCREEN key, and then the
accumulated working time (in hour) of the filter screen will be displayed on
the display. Since there are only three digital displays, the display screen first
displays a thousand-digit value, and then hundred-digit, ten-digit and
single-digit values. Please read with the four values together. (The following
figure shows the display mode of 2802 hours)
5) Pull off the power supply and install the rear cover on the product body.
Clean the cover of air sensor with a
vacuum cleaner or blower
Take down the dust cover, and then clean
the lens of sensor with a vacuum cleaner
or blower
First time display:
thousand-digit value
Second display:
hundred-digit,
ten-digit and single-digit values
Filter screen
11
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