Dishes come out dirty or with food residues after a full cycle.

Safety: Turn off power before removing spray arms if accessing from below.

• Clean filters: Remove and thoroughly clean all filters under hot water.
• Clean spray arms: Remove upper and lower spray arms and clear all jets with a toothpick. Rinse well.
• Check water temperature: Ensure the selected program heats water properly (see heating-related entries if not).
• Load correctly: Avoid nesting dishes and blocking spray arms. Follow Neff loading diagrams.
• Use correct detergent: Use high-quality dishwasher detergent and adjust quantity for water hardness.