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Detergent residue left

Detergent residue in dispenser/tray - Blocked spray arms or damp dispenser

Bosch · Dishwashers Series 6

What does Detergent residue left mean?

Detergent or a tablet remains in the dispenser or collecting tray after the wash cycle, indicating it wasn't dispensed or rinsed out properly.

Common Causes

  • Spray arms were blocked by tableware so detergent was not rinsed out.
  • Detergent dispenser was damp when detergent was added.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check that the spray arms are not blocked by tableware and can rotate freely.

  2. 2

    Only add detergent to a detergent dispenser when it is dry.

  3. 3

    Ensure tableware in the top basket does not obstruct the tab collecting tray or dispenser lid.

Browse all codes in this manual (38)
Verified technical data. Last updated: April 2026

Related Faults

All LEDs lit up or flashingAll LEDs lit up or flashing - Electronics fault detectedAppliance cannot be switched on/operatedAppliance cannot be switched on or operated - Software update, power failure, or door issueAppliance stops/cuts out during programmeAppliance stops during the programme or cuts out - Door open, power/water interruption, or obstruction
Source: Bosch Dishwashers Series 6
Open Manual (Page 54)Search more codes in this manual