Bosch Dishwasher E15 Error Code: How to Fix Water Leakage Issue

Updated: February 2026

Bosch Dishwasher E15 Error Code : How to Fix Water Leakage Issue can be confusing without the right guidance. This article breaks it down into simple, actionable steps you can follow right away.

What Causes the E15 Error?

💡 Pro Tip: When in doubt, consult a professional. This guide covers the basics, but complex cases may need expert help.

Water accumulation in the base pan can result from a leaking hose, a faulty door seal, or excess detergent creating too many suds. The dishwasher's float switch activates when it detects moisture, displaying the E15 code.

DIY Repair Steps

  • Step 1: Unplug the dishwasher and turn off the water supply for safety.
  • Step 2: Tilt the dishwasher backward at a 45-degree angle to drain water from the base pan. Have towels ready to catch any spillage.
  • Step 3: Inspect the door gasket for cracks or damage. Replace if worn out.
  • Step 4: Check all hose connections for leaks, especially the inlet and drain hoses.
  • Step 5: Clean the float switch located in the base pan to ensure it moves freely.
  • Step 6: Let the base pan dry completely (24-48 hours) before reconnecting power.

After completing these steps, plug in your dishwasher and run a test cycle. If the E15 error persists, you may need to replace the base pan or consult a professional technician.

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