If your Bosch dishwasher is experiencing issues, you're not alone. Our detailed diagnostic guide covers exactly how to tackle the problem. Rated as a Moderate repair, this procedure typically requires 20–40 min. By following the steps outlined below, you can safely identify the root cause—whether it's a worn component or a faulty sensor—and get your appliance running smoothly again.
Difficulty: Moderate • Est. Cost: $0 (tilt method) — $25–$60 for float switch • Time: 20–40 min
Safety Warning: The following steps mirror professional diagnostic procedures. For your safety, verify that the appliance is completely depowered before beginning the repair.
What is the E15 Error?
The anti-flood sensor (polystyrene float) in the base has triggered.
- The pump will run continuously even if the door is open.
Safety & Draining
Unplug the dishwasher.
- Pull the dishwasher out and tilt it back 45 degrees to drain the water from the base tray.
- Wait 24 hours for the sensor to fully dry before plugging it back in.
Find the Root Leak
Check the door seal for debris or tears.
- Inspect the sump basin seal (a common failure point).
- Look for loose hose connections underneath.