error-42 Troubleshooting

Error 42 — maintenance brush jammed on the roborock QV 35A Set Saugroboter

Source: Roborock Support Center — troubleshooting Confidence: 85% Verified Aug 9, 2026

The maintenance brush is jammed and needs to be cleared.

How to fix Error 42 — maintenance brush jammed

Clear the maintenance brush

Remove the maintenance brush, clear any hair or debris, and reinstall it.

Source: Roborock Support Center — troubleshooting Confidence: 85% Verified Aug 9, 2026
Difficulty: ★ Est. 5 min

Parts needed: Roborock QV 35A Set Saugroboter Main Brush Roller

Replace the brush

If the brush is worn, replace it with a genuine one.

Source: Roborock Support Center — troubleshooting Confidence: 85% Verified Aug 9, 2026
Difficulty: ★ Est. 5 min

Parts needed: Roborock QV 35A Set Saugroboter Main Brush Roller

Replacement parts for the roborock QV 35A Set Saugroboter

Roborock QV 35A Set Saugroboter Mop Pad Roborock QV 35A Set Saugroboter Replacement Battery Roborock QV 35A Set Saugroboter HEPA Filter Roborock QV 35A Set Saugroboter Side Brush Roborock QV 35A Set Saugroboter Main Brush Roller Roborock QV 35A Set Saugroboter Dust Bag Roborock QV 35A Set Saugroboter Water Tank Filter Roborock QV 35A Set Saugroboter Floor Cleaning Solution Roborock QV 35A Set Saugroboter Dock Filter

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