How to deal with stubborn stains on glass?

We recommend that you turn off the water mist and wipe the glass, then replace the cleaning cloth, turn on the water mist and wipe the glass. Finally, replace the cleaning cloth again, turn off the water mist and wipe the glass for the third time.

Why do streaks appear after cleaning？

Thanks for your question. If water streaks appear after cleaning, it is recommended to wipe the glass with water spray on at first time, then replace a cleaning cloth and wipe the glass with water spray off at second time.

Why doesn't W120-DP spray water?

First,check whether the water button is turned on;or the W120-DP removed from the glass, repeatedly press the conventional and strong water button of the remote control;Still no water,use a tiny needle or follow the instructions to change the nozzle.

Can the machine work on inclined planes？Where to buy cleaning cloths?

We do not recommend that consumers use the machine on an inclined plane.The machine may fall or slip on Windows with irregular shapes and uneven corners. Please do not use the machine on Windows in such conditions.

You can search for ASIN :B0DFXTQ51K

When the machine walks on the window, the speed is slower than the regular walking speed, how is it?

1. The glass or rag is too dirty, the friction between the two is too great, replace the new rag to try.

2. too much dust on the wheel skin, need to clean up.

3. stains blocked the machine's air inlet, need to clean up.