David Kowalski

David Kowalski has owned, maintained, and repaired robot vacuums since the first generation of LiDAR-navigation models. What began as personal frustration — scattered forum threads, outdated YouTube videos, manufacturer hotlines with 45-minute wait times — turned into a systematic documentation project that became RoboFixHub.

David covers navigation and mapping failures, brush and suction performance, brand-specific troubleshooting, and ongoing maintenance. His approach is systematic: document the failure mode, identify the most common cause across multiple user reports, test the fix, record the success rate. When a robot is spinning in circles, he wants to know whether it is a LiDAR obstruction, a wheel encoder fault, or a firmware regression — and which one it almost certainly is based on the accompanying symptoms.

Over five years of testing, David has worked with 15+ robot vacuum brands across more than 50 individual models. He has a particular depth in Roborock (LiDAR-based navigation), Roomba (camera VSLAM and iAdapt), and Dreame — three architecturally distinct systems that require different diagnostic approaches. His maintenance guides are designed around actual failure rates: what breaks first, how to prevent it, and what the cost of not doing it looks like after 18 months.

RoboFixHub exists because David could not find a single resource that organised robot vacuum troubleshooting the way he wanted to use it: by problem, not by brand, with real success rates instead of generic "have you tried turning it off and on again" steps.