Troubleshooting

Dull surface after polishing

Surface remains dull after polishing when the wheel, compound load or previous stage is not under control.

Dull brushed metal test surface under inspection

Symptoms

  • Surface remains dull after polishing.
  • The surface does not develop a clean final gloss.

Likely causes

  • Dirty wheel.
  • Overloaded compound.
  • Wrong wheel.
  • Insufficient first-stage polishing.
  • Overheating or remaining abrasive scratches.

Checks

  • Inspect the wheel.
  • Clean the wheel.
  • Verify the previous stage.
  • Run diagnostic inspection if needed.

Recommended fixes

  • Clean or change the wheel.
  • Reduce compound amount.
  • Return to first-stage polishing if scratches or true defects remain.

Prevention

  • Use the correct wheel for first-stage and final-stage work.