HP499006

[L40 Ultra] Side Brush Not Extending Under Low Cabinets

Anyone else having issues with the side brush not extending under cabinets? The L40 cant reach under my cabinets but it doesnt even try to extend the side brush. Ive already tried messing with a lot of settings including turning off collision settings and setting high frequency for side brush extend.
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13 Comment

HP499006 1 Floor Thread Starter
Update: It also seems to not like extending mop at all either despite enabling the settings.
2025-5-30 01:40:08 Translate

CY016595 2 Floor
Having the same issue.
2025-5-31 00:14:02 Translate

We recommend that you manually add a low-lying area so that the device can identify and clean the area. You can find "Low-lying areas" in the map editor to set it. We hope the above info can help
 
SA998875 3 Floor
Same issue here… very disappointed.. hope that a Dreame Support agent can shine some light here on what best to do
2025-5-31 00:36:27 Translate

We recommend that you manually add a low-lying area so that the device can identify and clean the area. You can find "Low-lying areas" in the map editor to set it. We hope the above info can help.
 
JL511820 4 Floor
Same problems with mine
2025-5-31 22:23:19 Translate

We recommend that you manually add a low-lying area so that the device can identify and clean the area. You can find "Low-lying areas" in the map editor to set it. We hope the above info can help.
 
CY016595 5 Floor
Point me in. Would Dreams please address our concern?
We recommend that you manually add a low-lying area so that the device can identify and clean the area. You can find "Low-lying areas" in the map editor to set it. We hope the above info can help.
 
CF953896 6 Floor
Yeah, it's upsetting. Those were some of the specific features that convinced me to purchase this robot over other brands.
Hi,

We recommend that you manually add a low-lying area so that the device can identify and clean the area. You can find "Low-lying areas" in the map editor to set it. We hope the above information can help you.
2025-6-24 16:57:54 Translate

Hi, I am unable to find “low-lying area” in map editor. My options end at “curtains”. Will there be an update in the future for the robot to automatically identify low-lying areas? Thanks
 
IX695206 8 Floor
Second time using the L40 after it arrived this week and the side brush stopped spinning. No error notification
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