Dolphin EON 120d Robotic Pool Cleaner with DebrisLock Backwash Filter and SmartMap Navigation for In-Ground Pools up to 50 ft BRUSH-STOP Error Fix: Brushes Not Spinning

Error code BRUSH-STOP on the Dolphin EON 120d Robotic Pool Cleaner with DebrisLock Backwash Filter and SmartMap Navigation for In-Ground Pools up to 50 ft means: Brushes Not Spinning. The scrubbing brushes are not rotating during cleaning — debris such as hair or string may be wrapped around the brush axle, the brush motor may have failed, or the brush drive gear may be stripped; remove the brush assembly and clear any obstructions

The most successful fix is "Test and Replace Brush Motor or Drive Gear" (medium difficulty, ~60 minutes). Estimated DIY cost: $50-$100. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Test and Replace Brush Motor or Drive Gear") is rated medium difficulty and takes about 60 minutes. Tools needed: T15 Torx screwdriver, Multimeter.

DIY cost: $50-$100. Professional repair typically costs $180-$250. Many homeowners save money by trying the top-ranked community fix first.

The Dolphin EON 120d Robotic Pool Cleaner with DebrisLock Backwash Filter and SmartMap Navigation for In-Ground Pools up to 50 ft has 8 other known error codes, including: APP-CONNECT (App Connection Failure), BRUSH-WORN (Worn Scrubbing Brushes), CABLE-CORROSION (Cable Connector Corrosion), CABLE-DAMAGE (Cable Deterioration), CABLE-TANGLE (Cable Tangling), and 3 more.

Error code BRUSH-STOP also appears on 8 other Dolphin models: E10 Automatic Robotic Pool Vacuum Cleaner with Active Scrubber Brush and Top Load Filters for Above-Ground Pools up to 30 ft, Liberty Cordless Battery-Powered Robotic Pool Cleaner with Multi-Layer Filtration for In-Ground Pools up to 40 ft, Nautilus CC Plus Wi-Fi Robotic Pool Vacuum Cleaner with Wall Climbing and Scrubber Brush for In-Ground Pools up to 40 ft, Nautilus CC Robotic Pool Vacuum Cleaner with Scrubber Brush for In-Ground Pools up to 33 ft, Premier Robotic Pool Cleaner with Smart Navigation and Multi-Media Filtration for In-Ground Pools up to 50 ft, Proteus DX3 Robotic Pool Cleaner with Active Scrubber Brush and Wall Climbing for In-Ground Pools up to 33 ft, and 2 more. The fix may vary by model, so check each model's specific page for tailored repair steps.