Constructa Water Hammer / Loose Mounting or Spray Arm Impact

Dishwasher makes loud banging or knocking noises during operation.

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Possible Causes

Loose mounting brackets,Water hammer in inlet line,Spray arms hitting dishes or racks,Loose internal hoses

How to Fix / Troubleshooting

Safety first: Turn off power and water before adjusting installation or hoses.

  • 1. Check installation: Ensure the Constructa dishwasher is firmly screwed to the cabinet or worktop using the provided brackets. Tighten any loose screws.
  • 2. Inspect spray arm clearance: Rotate spray arms by hand to ensure they do not hit dishes or racks. Rearrange items if necessary.
  • 3. Secure hoses: Access the side or rear and secure any loose hoses with clips or ties to prevent them from knocking against panels.
  • 4. Address water hammer: If banging occurs when filling, consider installing a water hammer arrestor on the supply line.
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Repair Difficulty

Easy 2/5
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