Miele Upper Spray Arm / Feed System Restriction

Top rack does not clean well; lower rack is clean.

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Possible Causes

Clogged upper spray arm jets, Blocked upper spray arm feed tube, Rack not engaging water feed properly, Diverter valve stuck in lower position (models with alternating spray)

How to Fix / Troubleshooting

Safety: Turn off power before removing racks or spray arms.

  • Clean upper spray arm: Remove the upper spray arm and flush it under running water. Clear all jets.
  • Check feed tube: Inspect the vertical feed tube and connection at the rear of the tub for blockages or misalignment.
  • Rack position: Ensure the upper rack is correctly seated on its rails and fully pushed back to engage the water feed.
  • Diverter valve: If your model alternates spray between levels and the top never sprays, the diverter valve in the circulation system may be stuck and require cleaning or replacement.
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Repair Difficulty

Easy 2/5

Required Part

Upper Spray Arm / Feed Tube / Diverter Valve
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