360 Vis Nav: Red arrow on the screen: Boost mode
Boost mode: more suction for ground-in dirt and pet hair, with less run time. It is a cleaning mode, not a fault.
Applies to: Dyson 360 Vis Nav. What you notice: red mode arrow on the screen.
What to do
Dyson gives no step for this; the meaning above is all it says.
Source
Dyson’s own support page or manual, read on the date shown.
- Dyson: Dyson 360 Vis Nav user manual — Dyson 360 Vis Nav robot vacuum (RB03). www.dyson.com Checked 2026-09-29.