The air inlet filter screen under the handle should be removed regularly (the built-in fine filter screen can be wiped) for cleaning. It can be cleaned with a dry lint-free cloth or a soft brush. Do not wash with water.
[Precautions]
1. All the protective film on the fuselage should be removed before use to ensure the normal operation of the machine, especially the protective film on the handle.
2. In case of sudden power failure, it is necessary to turn off the machine and unplug the power supply, wait for the power supply again, and then plug in the power supply to use the machine.