Conditions  Reasons Solutions
Abnormal Noise
when using
 Incorrect filters installed
and foreign objects sucked
Turn off the power ,
took out of objects,
installing filter correctly
Suction decreased  Blockage of suction inlet or filter Clean the air inlet and filter
 The dust cup is full Clean the dust cup
 Low power Charging
No power  No press on power Long press 2s
 Out of power Charging
 Blockage caused thermal cut-out Cleaning dust cup and filter
Surrounding temperature
Please make sure that the
ambient temperature at the
range of -7.5°C-50°C
Unable to fully charge,
keep flashing red
 The actual output current of
the adapter is less than 2A
Use 5V2A adapter,
or contact customer support