CodeRegistry
Brands
  1. Home
  2. Bosch
  3. Dishwashers
  4. Drain pump blocked
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

Drain pump blocked

Dishwashing water not draining properly — Drain pump blocked

Bosch · Dishwashers

What does Drain pump blocked mean?

The dishwasher water is not draining correctly, indicating a potential blockage in the drain pump. Large food remnants or foreign objects can obstruct the pump, requiring it to be cleaned.

Common Causes

  • Large food remnants blocking the drain pump.
  • Foreign objects blocking the drain pump.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Disconnect the dishwasher from the power supply for safety.

  2. 2

    Remove the upper and lower racks from the dishwasher.

  3. 3

    Remove the filter system at the bottom of the tub.

  4. 4

    Scoop out any standing water in the tub, using a sponge if necessary.

  5. 5

    Carefully pry the pump cover off using a spoon, grip it by the crosspiece, and lift it out diagonally inward.

  6. 6

    Reach into the impeller area with your hand and remove any food remnants or foreign objects.

Browse all codes in this manual (33)
Verified technical data. Last updated: April 2026

Related Faults

All LEDs light or flashAll LEDs light up or flash — Electronics fault detectedAppliance cannot be switched onAppliance cannot be switched on or operated — Power, software, or function failureAppliance does not startAppliance does not start — Power, connection, or door issue
Source: Bosch Dishwashers
Open Manual (Page 33)Search more codes in this manual