Error 27 Moderate Easy DIY
Roborock Robot Vacuum Error 27 — VibraRise mop module / mop motor error
Roborock Robot Vacuum · Error code Error 27
What Error 27 Means
On S7/S8 series, the VibraRise mopping module reports a fault — mop won't lift, won't vibrate, or motor stalled.
Symptoms
- Voice prompt 'Mop module error' or 'Please reinstall the mop'
- App shows Error 27
- Mop doesn't lift on carpet
- Mop doesn't scrub
Common Causes
1
Mop module not seated properly
Mop plate clipped on incorrectly.
2
Debris jamming the mop lift mechanism
Hair or grit in the lift arm.
3
Wet contacts on the mop module
Water on the electrical pads.
4
Mop module motor failure
Internal motor or PCB on the mop.
How to Fix It
- Remove the mop module by squeezing the release tabs.
- Inspect and clean the contact pads on both the module and the robot.
- Ensure both are completely dry before reattaching.
- Listen for the click when reinstalling — it must seat firmly.
- Power-cycle the robot.
- If the error persists, the mop module needs replacement.
Parts You May Need
If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.
More Roborock Robot Vacuum Codes
Verified against manufacturer documentation: global.roborock.com
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.