error-18 Troubleshooting

Error 18 — fan error on the Roborock S8 Pro Ultra

Source: Roborock Support Center — troubleshooting Confidence: 80% Verified Aug 9, 2026

There is an issue with the vacuum's fan, reducing suction.

How to fix Error 18 — fan error

Reset the robot

Perform a system reset. If the problem continues, contact support.

Source: Roborock Support Center — troubleshooting Confidence: 80% Verified Aug 9, 2026

Difficulty: ★ Est. 5 min

Clean the fan

Remove the dustbin and check the fan for blockages.

Source: Roborock Support Center — troubleshooting Confidence: 80% Verified Aug 9, 2026

Difficulty: ★★ Est. 10 min

Replacement parts for the Roborock S8 Pro Ultra

Roborock S8 mop pad Roborock S8 Filter Roborock S8 Replacement Battery Roborock S8 Pro Ultra Replacement Battery Roborock S8 Pro Ultra HEPA Filter Roborock S8 Pro Ultra Side Brush Roborock S8 Pro Ultra Main Brush Roller Roborock S8 Pro Ultra Mop Pad Roborock S8 Pro Ultra Dust Bag Roborock S8 Pro Ultra Water Tank Filter Roborock S8 Pro Ultra Floor Cleaning Solution Roborock S8 Pro Ultra Dock Filter Roborock S8 Side Brush

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