Bosch Kl 1206 User Manual Top ⟶ (EASY)

| Problem | Likely Cause | Solution (from manual) | |---|---|---| | Grinder won’t start | Carbon brushes worn, power cord broken, switch failure | Check brushes first; if OK, test cord continuity. | | Runs but slows under load | Low voltage, or disc too thick | Ensure extension cord is 14AWG or thicker. | | Excessive vibration | Wheel unbalanced, or damaged spindle | Replace wheel. If persists, return to service center. | | Overload cuts out | Ventilation blocked, or pushing too hard | Clean vents. Let cool for 15 minutes. Reduce pressure. | | Sparks inside vents | Normal brush sparking vs. armature short | Minor sparks are fine. Blue flashes = short – seek repair. |

: Modern versions and similar Bosch chargers include a safety mechanism that prevents damage if you accidentally connect the terminals incorrectly. Thermal Protection bosch kl 1206 user manual top

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