[Fix my robot](https://robotsforthat.com/fix/) / [Dreame robot mower](https://robotsforthat.com/guides/dreame-robot-mower-error-codes/) / Bumper error ● Checked Nov 12, 2026 From Dreame support Dreame robot mower # Dreame robot mower "Bumper error": what it means and the fix Steps **3** Tools **None** Parts None Works for Dreame A2 and A3 AWD series (A3 AWD 1000, A3 AWD Pro 2500 and 3500). Short answer **What it means:** The front bumper sensor reads as pressed all the time. **Quick fix:** Check whether the robot is stuck, and free it. ## Fix it in 3 steps - Check whether the robot is stuck, and free it. Done? - Gently tap the bumper and check that it springs back. Done? - Restart the robot. Did it work? **Fixed when:** The bumper moves freely and the error clears. Great, it is fixed. Bookmark this page in case it comes back. **Still showing Bumper error?** The message keeps coming back after a restart. Contact Dreame after-sales service through support.dreametech.com, or the aftersales@dreame.tech address in the manual, with your serial number and a photo or video of the problem. Contact Dreame support. [Dreame support →](https://support.dreametech.com/hc/en-us) ## Parts that fix this [Replacement blades For Dreame robot mower on Amazon Check price →](https://www.amazon.com/s?k=Dreame%20robot%20mower%20replacement%20blades&tag=robotsforthatai-20) Check the part fits your model. Affiliate links: we may earn a commission at no cost to you. ## Why it happens - Mower stuck against something - Bumper jammed and not springing back ## Other Dreame robot mower errors [The robot is not connected to the app ›](https://robotsforthat.com/fix/dreame-mower-not-connected-to-app/)[Robot lifted ›](https://robotsforthat.com/fix/dreame-mower-robot-lifted/)[Robot tilted ›](https://robotsforthat.com/fix/dreame-mower-robot-tilted/)[Robot trapped ›](https://robotsforthat.com/fix/dreame-mower-robot-trapped/)[Wheel error ›](https://robotsforthat.com/fix/dreame-mower-wheel-error/)[Blade disc can't rotate ›](https://robotsforthat.com/fix/dreame-mower-blade-disc-cant-rotate/)[The blade disc fails to move up or down ›](https://robotsforthat.com/fix/dreame-mower-blade-disc-height-error/)[The blade disc cannot move to the side ›](https://robotsforthat.com/fix/dreame-mower-blade-disc-cannot-move-sideways/)[Charging error Charging error ›](https://robotsforthat.com/fix/dreame-mower-charging-error/)[Battery temperature too high ›](https://robotsforthat.com/fix/dreame-mower-battery-temperature-too-high/)[Battery temperature is high ›](https://robotsforthat.com/fix/dreame-mower-battery-temperature-high/)[Battery temperature is low ›](https://robotsforthat.com/fix/dreame-mower-battery-temperature-low/)[LiDAR is blocked ›](https://robotsforthat.com/fix/dreame-mower-lidar-blocked/)[LiDAR malfunction ›](https://robotsforthat.com/fix/dreame-mower-lidar-malfunction/)[LiDAR is dirty ›](https://robotsforthat.com/fix/dreame-mower-lidar-dirty/)[LiDAR temperature is high ›](https://robotsforthat.com/fix/dreame-mower-lidar-temperature-high/)[LiDAR temperature is too high ›](https://robotsforthat.com/fix/dreame-mower-lidar-temperature-too-high/)[Robot is lost ›](https://robotsforthat.com/fix/dreame-mower-robot-is-lost/)[The robot is in the no-go zone ›](https://robotsforthat.com/fix/dreame-mower-in-no-go-zone/)[The robot is outside the map ›](https://robotsforthat.com/fix/dreame-mower-outside-the-map/)[Emergency stop is activated ›](https://robotsforthat.com/fix/dreame-mower-emergency-stop-activated/)[Low battery ›](https://robotsforthat.com/fix/dreame-mower-low-battery/)[The robot is away from the map. Risk of being stolen ›](https://robotsforthat.com/fix/dreame-mower-away-from-map-theft-alarm/)[Failed to return to the charging station ›](https://robotsforthat.com/fix/dreame-mower-failed-to-return-to-station/)[Failed to dock in the charging station ›](https://robotsforthat.com/fix/dreame-mower-failed-to-dock/)[Positioning failed ›](https://robotsforthat.com/fix/dreame-mower-positioning-failed/)[Insufficient space for turning in front of the station ›](https://robotsforthat.com/fix/dreame-mower-insufficient-turning-space/)[Path obstructed ›](https://robotsforthat.com/fix/dreame-mower-path-obstructed/)[There is an issue with the front camera ›](https://robotsforthat.com/fix/dreame-mower-front-camera-issue/)[Boundary detection error occurs during Auto-Mapping ›](https://robotsforthat.com/fix/dreame-mower-auto-mapping-boundary-error/)[Abnormal vibration ›](https://robotsforthat.com/fix/dreame-mower-abnormal-vibration/)[All 35 Dreame robot mower codes →](https://robotsforthat.com/guides/dreame-robot-mower-error-codes/) ## Keeps happening? Compare before you replace [Dreame A3 AWD 1000 $1,400 · LiDAR AWD mower for quarter acre hilly yards, no RTK](https://robotsforthat.com/robot/dreame-a3-awd-1000/)[Check price on Amazon →](https://www.amazon.com/dp/B0H3V799KT?tag=robotsforthatai-20) [Dreame A3 AWD Pro 2500 $1,700 · LiDAR and vision AWD mower, no RTK, for hilly 0.62 acre lawns](https://robotsforthat.com/robot/dreame-a3-awd-pro-2500/)[Check price on Amazon →](https://www.amazon.com/dp/B0GT5CBH8H?tag=robotsforthatai-20) [Dreame A3 AWD 1000 vs Mammotion YUKA mini 2 1000H Point by point](https://robotsforthat.com/vs/dreame-a3-awd-1000-vs-mammotion-yuka-mini-2-1000h/) **Own a Dreame? Keep it running.** Add it to My Robots. See fixes for your exact model, get an email when parts are due, and ask us to find a repair if it breaks. Free · no password [Add my robot](https://robotsforthat.com/my/?add=1) ## Sources - [Dreame: Roboticmower A2 user manual (English), troubleshooting table](https://dreametech.zendesk.com/hc/en-us/article_attachments/51923726035353) - [Dreame: Roboticmower A3 AWD user manual (MXXA7300 series), troubleshooting table](https://www.mediaexpert.pl/products/files/10/10137983/Instrukcja-obslugi-Robot-koszacy-DREAME-A3-AWD.pdf) Black Friday is Nov 27 Get the Black Friday prices on robot vacuums, mowers, pool robots, 3D printers and kits the day they drop We check prices every morning and compare them with each model's 2026 low. One email when real deals land, plus our 5 minute Friday roundup. Unsubscribe anytime. HTML version: https://robotsforthat.com/fix/dreame-mower-bumper-error/