error-1 Troubleshooting

Bumper / cliff sensor error on the Xiaomi Robot Vacuum S1

Source: Goods Scene — Roborock error codes list Confidence: 90% Verified Aug 9, 2026

The robot reports a sensor fault and stops or moves erratically. The bumper or cliff sensors may be blocked by dirt or damaged.

How to fix Bumper / cliff sensor error

Clean the bumper and cliff sensors

Turn the robot over and wipe the bumper and all cliff sensors on the underside with a dry cloth. Restart and retry.

Source: ProductDB robot-vacuum seed Confidence: 80% Verified Aug 8, 2026
Difficulty: ★ Est. 5 min

Inspect the bumper assembly

Check that the bumper is not stuck against the chassis. Gently press it to confirm it moves freely.

Source: ProductDB robot-vacuum seed Confidence: 80% Verified Aug 8, 2026
Difficulty: ★★ Est. 10 min

Clean the LDS

Check for dust, hair, or obstructions around the laser sensor. Gently clean it and restart the robot.

Source: Goods Scene — Roborock error codes list Confidence: 90% Verified Aug 9, 2026
Difficulty: ★ Est. 5 min

Restart the robot

Turn the robot off and on to reset the sensor.

Source: Goods Scene — Roborock error codes list Confidence: 90% Verified Aug 9, 2026
Difficulty: ★ Est. 2 min

Replacement parts for the Xiaomi Robot Vacuum S1

Xiaomi Robot Vacuum S8 Filter Xiaomi Robot Vacuum S8 Left side brush Xiaomi Robot Vacuum S8 Right side brush Xiaomi S8 Main Brush Roller Xiaomi Robot Vacuum S8 Side brush set Xiaomi Robot Vacuum S7 Filter Xiaomi Robot Vacuum S7 Left side brush Xiaomi Robot Vacuum S7 Right side brush Xiaomi Robot Vacuum S7 Side brush set Xiaomi Robot Vacuum S6 Filter Xiaomi Robot Vacuum S6 Left side brush Xiaomi Robot Vacuum S6 Right side brush Xiaomi Robot Vacuum S6 Side brush set Xiaomi S7 Main Brush Roller Xiaomi S6 Main Brush Roller Xiaomi Robot Vacuum S5 Filter Xiaomi Robot Vacuum S5 Left side brush Xiaomi Robot Vacuum S5 Right side brush Xiaomi Robot Vacuum S5 Side brush set Xiaomi Robot Vacuum Mop 2 Filter Xiaomi Robot Vacuum Mop 2 Left side brush Xiaomi Robot Vacuum Mop 2 Right side brush Xiaomi Robot Vacuum Mop 2 Side brush set Xiaomi Robot Vacuum Mop Pro Filter Xiaomi S5 Main Brush Roller Xiaomi Mop 2 Main Brush Roller Xiaomi Robot Vacuum Mop Pro Left side brush Xiaomi Robot Vacuum Mop Pro Right side brush Xiaomi Robot Vacuum Mop Pro Side brush set Xiaomi Robot Vacuum 2 Filter Xiaomi Robot Vacuum 2 Left side brush Xiaomi Robot Vacuum 2 Right side brush Xiaomi Robot Vacuum 2 Side brush set Xiaomi Robot Vacuum 1S Filter Xiaomi Robot Vacuum 1S Left side brush Xiaomi Robot Vacuum 1S Right side brush Xiaomi Robot Vacuum 1S Side brush set Xiaomi Robot Vacuum 2 Main Brush Roller Xiaomi Robot Vacuum 1S Main Brush Roller Xiaomi Robot Vacuum S1 Filter Xiaomi Robot Vacuum S1 Left side brush Xiaomi Robot Vacuum S1 Right side brush Xiaomi Robot Vacuum S1 Brush guard Xiaomi Robot Vacuum S1 Side brush set Xiaomi Robot Vacuum S1 Cable organizer Xiaomi Robot Vacuum S1 Cleaning tool Xiaomi Robot Vacuum S1 Charging cable Xiaomi Robot Vacuum S1 Remote control Xiaomi S1 Main Brush Roller Xiaomi S1 Floor Cleaning Solution Xiaomi Robot Vacuum P10 Filter Xiaomi Robot Vacuum P10 Left side brush Xiaomi Robot Vacuum P10 Right side brush Xiaomi Robot Vacuum P10 Side brush set Xiaomi Robot Vacuum P20 Filter Xiaomi Robot Vacuum P20 Left side brush Xiaomi Robot Vacuum P20 Right side brush Xiaomi Robot Vacuum P20 Side brush set Xiaomi P10 Main Brush Roller Xiaomi P20 Main Brush Roller Xiaomi Mop Pro Main Brush Roller Xiaomi S1 Replacement Battery Xiaomi S1 HEPA Filter Xiaomi S1 Side Brush Xiaomi S1 Mop Pad Xiaomi S1 Dust Bag Xiaomi S1 Water Tank Filter Xiaomi S1 Dock Filter

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