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Knocking noise (water pipes)

Knocking noise in the water pipes — Water supply pipe resonance

Teka · Dishwashers

What does Knocking noise (water pipes) mean?

A knocking sound can be heard from the water pipes connected to the Dishwasher, often referred to as water hammer. This noise is typically related to the plumbing installation rather than a fault with the Dishwasher itself and does not affect its function.

Common Causes

  • On-site plumbing installation issues
  • Inappropriate cross-section of water piping
  • Rapid opening or closing of water valves

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Understand that this noise usually has no influence on the Dishwasher's function.

  2. 2

    Ensure water taps are fully open to prevent water hammer effects from partially open valves.

  3. 3

    If the noise is persistent or causes concern, consult a suitably qualified plumber to inspect your home's water pipes.

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