
Maintenance & Cleaning
Cautions:
• Ensure the device is unplugged.
• Do not use detergents or polishes to clean the device.
• Never immerse the device or accessories in water or any
other liquid.
• Use ONLY dry and soft cloth to clean the surface of the device including air inlets and outlets.
• Clean the sensor regularly with cotton buds, to maintain sensor accuracy and ensure the continuing high
performance of the device.
Filter Replacement:
• After 2000 hours usage of the filter, the check filter indicator light will be flashing. Take out the filter and
check its color. If part of the filter turns dark grey or black, the filter should be replaced. If the filter is still
white or light grey in color which means the filter can be used further, press and hold the check filter
indicator button for 5 seconds to reset the filter timer.
• When replacing the filter, please make sure the device is not connected to power, rotate anticlockwise
towards unlock direction and open the bottom cover, take out the filter.
• Removing the packaging from the filter, put it into the device.
• Rotate clockwise to lock the bottom cover and place the device on a stable area after that.
• Insert the adapter into the socket. After the device is powered on, press the power button to turn on the
device. Press and hold the timer button for 5 seconds to reset check filter timer.
Note: The used air lter contains contaminants collected from the air. Do not touch the lter cotton directly or smell the lter.
Trouble Situation Treatment
The device does not work.
Air outlet volume is signi-
cantly weaker than when
purchased.
The air volume at the air out-
lets is signicantly enhanced
compared to when purchased
The air inlet is covered.
The lter is installed incorrectly.
The lter is damaged.
The air inlet has residual dirt.
The lter is covered.
The lter has residual dirt.
Troubleshooting
The power cable is not connected
to the power supply.
Connect the power cable to the
power supply.
Please remove the object covering the
air inlet.
Please clean the surface of air inlet.
Please remove the object covering the
lter.
Please clean the lter. If there is no
obvious improvement, please replace
the lter.
Please install the lter correctly.
Please replace it with a new one.
Please make sure the adapter AC plug
properly connected to the outlet.
Please ensure that the adapter DC plug
is properly connected to the product
host.
The adapter is not connected
properly.
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