23
65. Q: How can I turn the brush head when using Multi-Surface Brush? ........................ 23
66. Q: Must I use a coin to remove the Soft Roller Brush/ Multi-Surface Brush roller cover?
23
67. Q: What does the black rubber at the entrance of the suction port do? .................. 24
68. Q: What do the two small circular holes at the inlet of the vacuum cleaner do? ...... 24
69. Q: Why is it difficult to open and close the dust bin? ................................................ 24
70. Q: The air from the air outlet sometimes blows in my direction. Is the air clean? .... 24
71. Q: Why is it difficult to remove the vacuum cleaner from the charging dock? .......... 24
72. Q: How to use the magnetic charging station？ ........................................................ 25
73. Q:How to use the child lock?...................................................................................... 25
Troubleshooting related ............................................................................................................... 25
1. Q: The vacuum cleaner shuts down after sucking in and expelling air a few times. What
should I do? ............................................................................................................................. 25
2. Q: The Soft Roller Brush/ Multi-Surface Brush does not work. What should I do? ....... 25
3. Q: The Soft Roller Brush/ Multi-Surface Brush often stops rotating. What should I do?
26
4. Q: It is difficult to push the Soft Roller Brush. What should I do? .................................. 26
5. Q: The vacuum cleaner is not working. What should I do? ............................................ 27
6. Q: Suction power is weak. What should I do? ................................................................ 27
7. Q: The vacuum cleaner has become noisier. What should I do? .................................... 27
8. Q: The Soft Roller Brush/ Multi-Surface Brush has become noisier. What should I do? 27
9. Q: The vacuum cleaner is unable to charge. What should I do? .................................... 27
10. Q: The charging stand cannot charge the machine. What should I do? .................... 28
11. Q: The screen doesn't turn on when the charger is connected. What should I do? .. 28
Routine maintenance related ...................................................................................................... 29
1. Q: How often does the Roborock Handheld Cordless Vacuum Cleaner H7 have to be
maintained? ............................................................................................................................ 29
2. Q: Can I use detergent or disinfectant during routine maintenance and cleaning? ...... 29
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