error-4 Troubleshooting

Main brush error on the Xiaomi Robot Vacuum S7

Source: ProductDB robot-vacuum seed Confidence: 85% Verified Aug 8, 2026

The robot stops or reports the main brush is stuck. Hair or debris is likely wrapped around the roller.

How to fix Main brush error

Clear the main brush

Remove the main brush guard and clear hair or debris wrapped around the roller.

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

Replace the main brush

If the roller is worn or damaged, replace it with a genuine part.

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

Replacement parts for the Xiaomi Robot Vacuum S7

Xiaomi Robot Vacuum S7 Filter Xiaomi Robot Vacuum S7 Left side brush Xiaomi Robot Vacuum S7 Right side brush Xiaomi Robot Vacuum S7 Main brush roller Xiaomi Robot Vacuum S7 Brush guard Xiaomi Robot Vacuum S7 Side brush set Xiaomi Robot Vacuum S7 Cable organizer Xiaomi Robot Vacuum S7 Cleaning tool Xiaomi Robot Vacuum S7 Charging cable Xiaomi Robot Vacuum S7 Remote control Xiaomi Robot Vacuum S7 Floor cleaning solution Xiaomi Robot Vacuum S7 Mop pad Xiaomi Robot Vacuum S7 Mop pad (4-pack) Xiaomi Robot Vacuum S7 Water tank filter Xiaomi Robot Vacuum S12 Filter Xiaomi Robot Vacuum S12 Left side brush Xiaomi Robot Vacuum S12 Right side brush Xiaomi Robot Vacuum S12 Main brush roller Xiaomi Robot Vacuum S12 Side brush set Xiaomi Robot Vacuum S12 Mop pad Xiaomi Robot Vacuum S12 Mop pad (4-pack) Xiaomi Robot Vacuum S10 Filter Xiaomi Robot Vacuum S10 Left side brush Xiaomi Robot Vacuum S10 Right side brush Xiaomi Robot Vacuum S10 Main brush roller Xiaomi Robot Vacuum S10 Side brush set Xiaomi Robot Vacuum S10 Mop pad Xiaomi Robot Vacuum S10 Mop pad (4-pack) Xiaomi Robot Vacuum S8 Filter Xiaomi Robot Vacuum S8 Left side brush Xiaomi Robot Vacuum S8 Right side brush Xiaomi Robot Vacuum S8 Main brush roller Xiaomi Robot Vacuum S8 Side brush set Xiaomi Robot Vacuum S8 Mop pad Xiaomi Robot Vacuum S8 Mop pad (4-pack) Xiaomi Robot Vacuum S6 Filter Xiaomi Robot Vacuum S6 Left side brush Xiaomi Robot Vacuum S6 Right side brush Xiaomi Robot Vacuum S6 Main brush roller Xiaomi Robot Vacuum S6 Side brush set Xiaomi Robot Vacuum S5 Filter Xiaomi Robot Vacuum S5 Left side brush Xiaomi Robot Vacuum S5 Right side brush Xiaomi Robot Vacuum S5 Main brush roller 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 Main brush roller Xiaomi Robot Vacuum Mop 2 Side brush set Xiaomi Robot Vacuum Mop 2 Mop pad Xiaomi Robot Vacuum Mop 2 Mop pad (4-pack) Xiaomi Robot Vacuum Mop Pro Filter Xiaomi Robot Vacuum Mop Pro Left side brush Xiaomi Robot Vacuum Mop Pro Right side brush Xiaomi Robot Vacuum Mop Pro Main brush roller Xiaomi Robot Vacuum Mop Pro Side brush set Xiaomi Robot Vacuum Mop Pro Mop pad Xiaomi Robot Vacuum Mop Pro Mop pad (4-pack) Xiaomi Robot Vacuum 2 Filter Xiaomi Robot Vacuum 2 Left side brush Xiaomi Robot Vacuum 2 Right side brush Xiaomi Robot Vacuum 2 Main brush roller 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 Main brush roller Xiaomi Robot Vacuum 1S Side brush set Xiaomi Robot Vacuum S1 Filter Xiaomi Robot Vacuum S1 Left side brush Xiaomi Robot Vacuum S1 Right side brush Xiaomi Robot Vacuum S1 Main brush roller Xiaomi Robot Vacuum S1 Side brush set Xiaomi Robot Vacuum X10 Filter Xiaomi Robot Vacuum X10 Left side brush Xiaomi Robot Vacuum X10 Right side brush Xiaomi Robot Vacuum X10 Main brush roller Xiaomi Robot Vacuum X10 Side brush set Xiaomi Robot Vacuum X10 Mop pad Xiaomi Robot Vacuum X10 Mop pad (4-pack) Xiaomi Robot Vacuum X20 Filter Xiaomi Robot Vacuum X20 Left side brush Xiaomi Robot Vacuum X20 Right side brush Xiaomi Robot Vacuum X20 Main brush roller Xiaomi Robot Vacuum X20 Side brush set Xiaomi Robot Vacuum X20 Mop pad Xiaomi Robot Vacuum X20 Mop pad (4-pack) Xiaomi Robot Vacuum X20+ Filter Xiaomi Robot Vacuum X20+ Left side brush Xiaomi Robot Vacuum X20+ Right side brush Xiaomi Robot Vacuum X20+ Main brush roller Xiaomi Robot Vacuum X20+ Side brush set Xiaomi Robot Vacuum X20+ Mop pad Xiaomi Robot Vacuum X20+ Mop pad (4-pack) Xiaomi Robot Vacuum P10 Filter Xiaomi Robot Vacuum P10 Left side brush Xiaomi Robot Vacuum P10 Right side brush Xiaomi Robot Vacuum P10 Main brush roller Xiaomi Robot Vacuum P10 Side brush set Xiaomi Robot Vacuum P10 Mop pad Xiaomi Robot Vacuum P10 Mop pad (4-pack) Xiaomi Robot Vacuum P20 Filter Xiaomi Robot Vacuum P20 Left side brush Xiaomi Robot Vacuum P20 Right side brush Xiaomi Robot Vacuum P20 Main brush roller Xiaomi Robot Vacuum P20 Side brush set Xiaomi Robot Vacuum P20 Mop pad Xiaomi Robot Vacuum P20 Mop pad (4-pack)

← All Xiaomi Robot Vacuum S7 error codes

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