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ROBOROCK·FAULT ERR 8 WARN

Roborock Error 8 — Robot trapped

Severity: Warning — robot is boxed in and waits for a rescue S5S6S7S8Q
Last verified: 2026-07-05 Tools: none Time: ~3 min Difficulty: easy

DIRECT ANSWER

Error 8 means the robot is trapped with no free path — hemmed in by chair legs, cables or a closed door. Clear the obstacles around it, or carry it to open floor and restart.
#meaning · #causes · #fix — link straight to any section

COMMON CAUSES · RANKED

1

Boxed in by furniture or clutter MOST COMMON

Chair legs, shoes and door thresholds close every escape route mid-clean.

2

Tangled in cables

Loose charger and lamp cables wrap the wheels and hold the robot in place.

3

Water tank dragging (mopping models) UNCOMMON

Roborock's own fix list includes removing the water tank and retrying — a full tank lowers clearance on thick carpet.

4

Outdated firmware misreading tight spaces RARE

Repeated phantom traps in open areas have been fixed by firmware updates in the past.

HOW TO FIX IT

No battery or electrical work involved in this fix.

Clear a path

Remove the obstacles pinning the robot in — give it at least half a metre of open floor.

Check the wheels

Press and spin them by hand to make sure nothing is wound around the axles.

Remove the water tank

On mopping models, take the tank off and retry — this is Roborock's official suggestion for repeat trap errors.

Update the firmware

If the robot keeps calling itself trapped in open space, install the latest firmware from the app.

RELATED FIRMWARE

S5 series (S5)

SAMPLE DATA — dataset in progress
3.3.9_0017683.5.4_0019103.5.7_0020083.5.8_0020203.5.8_002034

Firmware timelines are rebuilt monthly from release notes. Versions marked as sample data are community-reported and not yet verified. Full firmware timeline →

Sources

Verification

OFFICIAL SOURCE

Last verified: 2026-07-05 · How we verify a fault code

Corrections

Spotted an error? Report a correction — fixes ship within 48h and are logged on this page.