Roborock Error 18: Fan error, and the fix
Works for Roborock robot vacuums (S, Q, Saros and Qrevo series).
What it means: The suction fan has a fault or is blocked by debris.
Quick fix: Clap the side of the robot a few times to shake debris out of the fan.
Fix it in 5 steps
- Clap the side of the robot a few times to shake debris out of the fan.Done?
- Empty the dust bin.Done?
- Clean the filter and let it dry fully.Dry it outside the robot.Done?
- If the error stays, fit a brand new filter.Done?
- Update the robot's firmware to the latest version in the Roborock app.Did it work?
Fixed when: The fan runs and the robot cleans without the alert.
Great, it is fixed. Bookmark this page in case it comes back.
Still showing Fan error?
The error comes back after you follow these steps. Contact Roborock support with your model, serial number and the error number. Contact Roborock support at 1 855 960 4321 (24/7 (US)). Roborock support →
Parts that fix this
Often linked to the filter. A clogged filter cuts suction and makes the fan work harder.
Fixes this · our kit1 year refill kit for Roborock S8, S8+ and S8 Pro Ultra2 rubber main rollers (1 set), 4 side brushes, 4 filters, 4 mop cloths. Free US shipping · Fit guarantee$16.99See the kit →Remind me when parts are due (one free email)
Why it happens
- Debris inside the fan
- A full dust bin
- A blocked or wet filter
- Old firmware
Other Roborock errors
7Wheels stuck›12Battery too low›14Battery error›15Wall sensor dirty›16Robot tilted›21Vertical bumper pressed›22Dock locator error›23Cannot return to the dock›27VibraRise mop lift stuck›28Robot on carpet›42Maintenance brush jammed›Keeps happening? Compare before you replace
Questions owners ask
What does Error 18 mean on a Roborock?
It is a fan error. Clap the side of the robot to dislodge debris, empty the bin, clean or replace the filter and update the firmware.