error-4 Troubleshooting

Main brush error on the Mova L50

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 Mova L50

Mova L50 Filter Mova L50 Left side brush Mova L50 Right side brush Mova L50 Main brush roller Mova L50 Brush guard Mova L50 Side brush set Mova L50 Cable organizer Mova L50 Cleaning tool Mova L50 Charging cable Mova L50 Remote control Mova L50 Floor cleaning solution Mova L50 Mop pad Mova L50 Mop pad (4-pack) Mova L50 Water tank filter Mova L50 Battery Mova L50 Dust bag Mova L50 Dock filter Mova L50 HEPA filter Mova L50 Dock base pad Mova P10 Pro Ultra Filter Mova P10 Pro Ultra Left side brush Mova P10 Pro Ultra Right side brush Mova P10 Mop pad Mova P10 Mop pad (4-pack) Mova P10 Pro Ultra Main brush roller Mova P10 Pro Ultra Side brush set Mova P10 Pro Ultra Mop pad Mova P10 Pro Ultra Mop pad (4-pack) Mova P10 Pro Ultra Battery Mova X40 Filter Mova X40 Left side brush Mova X40 Right side brush Mova X40 Main brush roller Mova X40 Side brush set Mova X40 Mop pad Mova X40 Mop pad (4-pack) Mova X40 Battery Mova M80 Filter Mova M80 Left side brush Mova M80 Right side brush Mova M80 Main brush roller Mova M80 Side brush set Mova M80 Mop pad Mova M80 Mop pad (4-pack) Mova M80 Battery Mova X20 Filter Mova X20 Left side brush Mova X20 Right side brush Mova X20 Main brush roller Mova X20 Side brush set Mova X20 Mop pad Mova X20 Mop pad (4-pack) Mova X20 Battery Mova P10 Filter Mova P10 Left side brush Mova P10 Right side brush Mova P10 Main brush roller Mova P10 Side brush set

← All Mova L50 error codes

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