error-42 Troubleshooting

Error 42 — maintenance brush jammed on the eufy 30C Pro

Source: eufy support — robot vacuum troubleshooting Confidence: 85% Verified Aug 9, 2026

The maintenance brush is jammed and needs to be cleared.

How to fix Error 42 — maintenance brush jammed

Clear the maintenance brush

Remove the maintenance brush, clear any hair or debris, and reinstall it.

Source: eufy support — robot vacuum troubleshooting Confidence: 85% Verified Aug 9, 2026
Difficulty: ★ Est. 5 min

Parts needed: eufy L60 Main Brush Roller, eufy L60 SES Main Brush Roller, eufy L70 Main Brush Roller, eufy G10 Main Brush Roller, eufy G10 Pro Main Brush Roller, eufy G20 Main Brush Roller, eufy G40 Main Brush Roller, eufy G30 Main Brush Roller, eufy T2251 Main Brush Roller, eufy T2252 Main Brush Roller, eufy 30C Pro Cleaning tool, eufy T2190 Main Brush Roller, eufy T2290 Main Brush Roller, eufy T2107 Main Brush Roller, eufy T2118 Main Brush Roller, eufy T2191 Main Brush Roller

Replace the brush

If the brush is worn, replace it with a genuine one.

Source: eufy support — robot vacuum troubleshooting Confidence: 85% Verified Aug 9, 2026
Difficulty: ★ Est. 5 min

Parts needed: eufy L60 Main Brush Roller, eufy L60 SES Main Brush Roller, eufy L70 Main Brush Roller, eufy G10 Main Brush Roller, eufy G10 Pro Main Brush Roller, eufy G20 Main Brush Roller, eufy G40 Main Brush Roller, eufy G30 Main Brush Roller, eufy T2251 Main Brush Roller, eufy T2252 Main Brush Roller, eufy 30C Pro Cleaning tool, eufy T2190 Main Brush Roller, eufy T2290 Main Brush Roller, eufy T2107 Main Brush Roller, eufy T2118 Main Brush Roller, eufy T2191 Main Brush Roller

Replacement parts for the eufy 30C Pro

eufy L60 Filter eufy L60 Left side brush eufy L60 Right side brush eufy L60 Side brush set eufy L60 Main Brush Roller eufy L60 SES Filter eufy L60 SES Left side brush eufy L60 SES Right side brush eufy L60 SES Side brush set eufy L70 Filter eufy L70 Left side brush eufy L70 Right side brush eufy L70 Side brush set eufy G10 Filter eufy G10 Left side brush eufy G10 Right side brush eufy G10 Side brush set eufy L60 SES Main Brush Roller eufy L70 Main Brush Roller eufy G10 Main Brush Roller eufy G10 Pro Filter eufy G10 Pro Left side brush eufy G10 Pro Right side brush eufy G10 Pro Side brush set eufy G20 Filter eufy G20 Left side brush eufy G20 Right side brush eufy G20 Side brush set eufy G40 Filter eufy G40 Left side brush eufy G40 Right side brush eufy G10 Pro Main Brush Roller eufy G20 Main Brush Roller eufy G40 Main Brush Roller eufy G40 Side brush set eufy G30 Filter eufy G30 Left side brush eufy G30 Right side brush eufy G30 Side brush set eufy 15C Filter eufy 15C Left side brush eufy 15C Right side brush eufy 15C Side brush set eufy 15C Max Filter eufy 15C Max Left side brush eufy 15C Max Right side brush eufy 15C Max Side brush set eufy G30 Main Brush Roller eufy T2251 Main Brush Roller eufy T2252 Main Brush Roller eufy 30C Filter eufy 30C Left side brush eufy 30C Right side brush eufy 30C Side brush set eufy 30C Pro Filter eufy 30C Pro Left side brush eufy 30C Pro Right side brush eufy 30C Pro Brush guard eufy 30C Pro Side brush set eufy 30C Pro Cable organizer eufy 30C Pro Cleaning tool eufy 30C Pro Charging cable eufy 30C Pro Remote control eufy 35C Filter eufy 35C Left side brush eufy 35C Right side brush eufy 35C Side brush set eufy T2190 Main Brush Roller eufy T2191 Floor Cleaning Solution eufy T2290 Main Brush Roller eufy 11S Filter eufy 11S Left side brush eufy 11S Right side brush eufy 11S Side brush set eufy 11S Max Filter eufy 11S Max Left side brush eufy 11S Max Right side brush eufy 11S Max Side brush set eufy T2107 Main Brush Roller eufy T2118 Main Brush Roller eufy T2191 Replacement Battery eufy T2191 HEPA Filter eufy T2191 Side Brush eufy T2191 Main Brush Roller eufy T2191 Mop Pad eufy T2191 Dust Bag eufy T2191 Water Tank Filter eufy T2191 Dock Filter

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