Dishwasher runs but dishes come out dirty; food residues remain on plates and glasses.

Safety first: Switch off the dishwasher before removing internal parts.

• 1. Clean filters: Remove and thoroughly clean the sump filters to ensure good water circulation.
• 2. Clean spray arms: Remove upper and lower spray arms. Rinse under hot water and use a toothpick to clear blocked jets. Reinstall securely.
• 3. Check loading: Ensure large items do not block the rotation of spray arms. Avoid nesting bowls and stacking items too closely.
• 4. Verify water level: During the wash phase, open the door briefly. Water should cover the sump area and reach just below the door lip. If very low, check inlet filters and water pressure.
• 5. Detergent and program: Use quality dishwasher detergent and select an appropriate program for heavily soiled loads.
• 6. If problem persists: A weak circulation pump or partially blocked sump channels may require professional cleaning or pump replacement.