error-4 Troubleshooting

Main brush error on the Ecovacs Deebot M80

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 Ecovacs Deebot M80

Ecovacs Deebot T9 Filter Ecovacs Deebot T9 Left side brush Ecovacs Deebot N8 Filter Ecovacs Deebot N8 Left side brush Ecovacs Deebot N8 Right side brush Ecovacs Deebot N8 Side brush set Ecovacs Deebot N8 Pro Filter Ecovacs Deebot N8 Pro Left side brush Ecovacs Deebot N8 Pro Right side brush Ecovacs N8 Main Brush Roller Ecovacs Deebot N8 Pro Side brush set Ecovacs Deebot N8 Pro Mop pad (4-pack) Ecovacs Deebot N9+ Filter Ecovacs Deebot N9+ Left side brush Ecovacs Deebot N9+ Right side brush Ecovacs Deebot N9+ Side brush set Ecovacs Deebot N9+ Mop pad (4-pack) Ecovacs Deebot M80 Filter Ecovacs Deebot M80 Left side brush Ecovacs Deebot M80 Right side brush Ecovacs Deebot M80 Brush guard Ecovacs Deebot M80 Side brush set Ecovacs Deebot M80 Cable organizer Ecovacs N8 Pro Mop Pad Ecovacs N9+ Main Brush Roller Ecovacs N9+ Mop Pad Ecovacs M80 Main Brush Roller Ecovacs Deebot M80 Cleaning tool Ecovacs Deebot M80 Charging cable Ecovacs Deebot M80 Remote control Ecovacs Deebot M80 Mop pad (4-pack) Ecovacs Deebot D10 Filter Ecovacs Deebot D10 Left side brush Ecovacs Deebot D10 Right side brush Ecovacs Deebot D10 Side brush set Ecovacs Deebot D10s Filter Ecovacs Deebot D10s Left side brush Ecovacs Deebot D10s Right side brush Ecovacs Deebot D10s Side brush set Ecovacs M80 Water Tank Filter Ecovacs M80 Floor Cleaning Solution Ecovacs D10 Main Brush Roller Ecovacs D10s Main Brush Roller Ecovacs Deebot T9 Right side brush Ecovacs Deebot T9 Side brush set Ecovacs Deebot T9 Mop pad (4-pack) Ecovacs Deebot T8 Filter Ecovacs Deebot T8 Left side brush Ecovacs Deebot T8 Right side brush Ecovacs Deebot T8 Side brush set Ecovacs T9 Main Brush Roller Ecovacs T9 Mop Pad Ecovacs T8 Main Brush Roller Ecovacs N8 Pro Main Brush Roller Ecovacs M80 Replacement Battery Ecovacs M80 HEPA Filter Ecovacs M80 Side Brush Ecovacs M80 Mop Pad Ecovacs M80 Dust Bag Ecovacs M80 Dock Filter

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