Bertazzoni Partial Drain / Slow Drainage

Dishwasher does not drain completely; water remains in the bottom after cycle ends but no error code is shown.

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Possible Causes

Partially clogged drain filter, Food debris in drain pump, Drain hose installed too low or without high loop, Obstruction at sink or garbage disposal connection

How to Fix / Troubleshooting

Safety first: Turn off power and be cautious of sharp debris in the sump.

  • 1. Clean filters: Remove and clean the filter assembly and check the sump for debris.
  • 2. Inspect drain pump: Access the drain pump from the bottom, remove the pump cover if possible, and clear any obstructions from the impeller.
  • 3. Check drain hose routing: Ensure the hose has a high loop under the counter to prevent backflow and is not kinked.
  • 4. Sink connection: Remove the hose from the sink tailpiece or disposal and check for clogs. Clear as needed.

After clearing, run a rinse cycle to confirm proper drainage.

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Repair Difficulty

Easy 2/5

Required Part

Drain Pump
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