Eufy RoboVac 11SRoboVac 11S spinning in circlesRoboVac 11S spinning in circles — cause and how to fix it
Error code: RoboVac 11S spinning in circles
When your RoboVac 11S starts spinning in circles, it's usually confused by a faulty or dirty cliff sensor, making it think there's a drop where there isn't.
How to fix RoboVac 11S RoboVac 11S spinning in circles
- 1
While sometimes it's a sticky wheel, the cliff sensors are a more frequent culprit on these models.
- 2
Give all four cliff sensors on the bottom a good clean with a Q-tip.
- 3
If it keeps happening, one of those little cliff sensor boards has probably failed and needs swapping out; they're cheap, around $8-15 per sensor module.
What this repair uses
Eufy RoboVac 11S cliff sensor board
Take it out, clean it, and seat it again before you replace it. If the error stays, this is the part to change.
Frequently asked questions
What does Eufy RoboVac 11S RoboVac 11S spinning in circles mean?
When your RoboVac 11S starts spinning in circles, it's usually confused by a faulty or dirty cliff sensor, making it think there's a drop where there isn't.
Is this a hard repair to do myself?
Most of the steps above take 20-40 minutes with basic tools like a screwdriver. If you'd rather not open the unit yourself, contact the official support line below instead.
What part do I need?
You'll need a Eufy RoboVac 11S cliff sensor board. Compatible aftermarket parts are widely available on AliExpress and typically cost $8-60 depending on the part.
How do I contact Eufy support?
Eufy Korea support via phone or KakaoTalk @anker. 1-year warranty on units, 6 months on batteries. Phone: 1666-8470
Official support
Eufy Korea support via phone or KakaoTalk @anker. 1-year warranty on units, 6 months on batteries.
Online support
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