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- With the dust collector removed from the unit, hold the vacuum upright with the
bumper facing up, the suction "hole" facing downwards. Shake out any debris that might
be stuck in the suction fans inside the machine.
- Reassemble the dust collector properly.
- Clean the brushes and wheels out.
- Remove the brush guard and rolling brush, run the vacuum without the 2 parts to see
whether the noise persists when running without the parts.
- Check whether there is a clicking sound if you spin the side brushes with your hands.
- The noise levels in higher suction levels (like in Max Suction) are louder than in
Standard Suction. Please cycle through the suction levels and adjust to Standard
Suction for a try.
What if my RoboVac has a rolling brush noise when it’s running?
To confirm whether the noise comes from the rolling brush part, please remove the
brush guard and rolling brush, and run the vacuum without the 2 parts. Let us know
whether the noise persists when the vacuum is running without the 2 parts.
If the vacuum runs quietly with the 2 parts unattached, please double-check whether the
rolling brush and brush guard are properly installed, whether the rolling brush is not
completely cleaned, or the rubber part of the brush guard / 2 ends of the rolling brush
are worn out.
Please send us pictures of the 2 rolling brush ends, the white connector on the vacuum
(where the rolling brush connects to the vacuum), and the brush guard, so we can
identify the cause for you. Here are the photos for your reference.
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