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Stubborn white coatings

Stubborn white coatings on tableware/appliance - Detergent deposits or weak programme

Bosch · Dishwashers Series 6

What does Stubborn white coatings mean?

Persistent white film or deposits are visible on dishes, or inside the dishwasher and on the door, which are difficult to remove.

Common Causes

  • Detergent substances are deposited there.
  • Too little detergent is being used.
  • Washing programme selected too weak.
  • Tableware has been precleaned too intensely, causing sensors to choose a weaker programme.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Change your detergent (Page 29).

  2. 2

    Clean the appliance mechanically to remove existing deposits.

  3. 3

    Increase the amount of detergent used or change the detergent brand (Page 29).

  4. 4

    Select a more intensive washing programme or adjust the sensitivity of the sensors (Page 12).

  5. 5

    Only remove large remnants of food and do not prerinse tableware to ensure sensors detect proper soiling.

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 51)Search more codes in this manual