⚙️ Troubleshooting Karcher K2.300 — Burning Smell and Rotor Sparking Issue Hi everyone, Is anyone facing the same problem as me? Recently, my Karcher K2.300 pressure washer started producing a burning smell and visible sparks on the rotor side — the area that contacts the carbon brushes . 🧰 Possible Causes to Check If you experience a similar issue, here are some components to inspect before deciding on repair or replacement: Fuse and power cable condition – Check for blown fuses, frayed insulation, or loose connections. Motor capacitor – A weak or faulty capacitor may cause the motor to run unevenly or fail to start. Carbon brush condition – Inspect brush length, spring tension, and surface contact area. Replace if the brush is worn below 5 mm. Stator and rotor winding – Look for burnt smell, short circuits, or blackened winding insulation. Rotor copper commutator surface – Check for pitting, heavy wear, or carbon buildup. 🔧 Disassembly Procedure (Kar...
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