Bertazzoni
Underbody Leak / Hose or Sump Failure
Dishwasher leaks from underneath the cabinet; water appears on the floor near the sides or back.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Cracked drain hose, Loose hose clamp at pump or sump, Leaking circulation pump seal, Damaged sump or tub seam
How to Fix / Troubleshooting
Safety first: Disconnect power and water immediately to prevent damage.
- 1. Pull out the dishwasher: Carefully slide the unit out of the cabinet and place towels underneath.
- 2. Inspect hoses: Check the drain hose and internal hoses for cracks, pinholes, or loose clamps. Replace or tighten as needed.
- 3. Check pump seals: Examine the circulation and drain pump areas for signs of leakage or mineral trails. Replace seals or pump assemblies if leaking.
- 4. Sump and tub: Inspect the plastic sump and tub seams for cracks. A cracked sump usually requires replacement.
Significant structural leaks are best handled by a professional technician.
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Repair Difficulty
Hard
4/5
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