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Knocking noise in the wash cabinet

Knocking noise in the wash cabinet — Spray arm obstruction

Teka · Dishwashers

What does Knocking noise in the wash cabinet mean?

A knocking noise inside the wash cabinet is usually caused by a spray arm hitting an item in a basket or items of crockery being loose.

Common Causes

  • A spray arm is knocking against an item in a basket.
  • Items of crockery are loose in the wash cabinet.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Interrupt the program and open the Dishwasher door.

  2. 2

    Rearrange the items in the baskets to ensure they do not obstruct the spray arms.

  3. 3

    Make sure all dishes, glasses, and cutlery are securely placed in their respective holders.

  4. 4

    Close the door to resume the program and check if the noise has stopped.

Browse all codes in this manual (39)
Verified technical data. Last updated: April 2026

Related Faults

10 beeps every 30s10 beeps every thirty seconds — Dishwasher door opened during cycleBlack or gray marks on dishesBlack or gray marks on dishes — Aluminum rubbingBuzzer 8 secondsBuzzer sounds for 8 seconds — Wash cycle finished
Source: Teka Dishwashers
Open Manual (Page 27)Search more codes in this manual