Bosch Dishwasher: Flashing Error Code on Display
Error codes here usually point to a drain fault, a heating-circuit fault, or a leak-sensor trip. Add a photo of your Bosch Dishwasher in the box below: the Triage Profile says what it is, how urgent it is, and who to call.
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In the next five minutes
Safe first steps, before the call. Nothing here needs a tool.
Take a photo of the code on the display, then turn the dishwasher off and switch off its breaker.
If you can read its label without moving it, note the brand and model number for the call.
Note what it was doing when the code came up.
Everything else about this problem
Is it an emergency?
Is a Bosch dishwasher error code an emergency?
Usually not an emergency — the code is the appliance reporting a fault it detected. Note the code, then turn it off at the breaker for a minute and back on. If the code returns with a burning smell, smoke or a leak, leave it off and call a pro.
Symptoms & causes
Flashing error codes on a Bosch dishwasher display typically indicate a sensor malfunction, water intake/drain issue, or heating element problem. Common codes like E15 (AquaStop activated), E24/E25 (drainage issues), or E09 (heating fault) point to specific system failures. These errors often result in the dishwasher failing to start, stopping mid-cycle, or not cleaning dishes effectively due to improper water levels or temperatures.
Tools & parts
You'll likely need a multi-meter to test continuity of components like the heating element or NTC sensor. A Torx screwdriver set is essential for accessing internal components, especially the control panel or base pan. Specific replacement parts such as a new drain pump or an AquaStop valve might be required depending on the error code.
Safety first
Always disconnect the dishwasher from its power supply by unplugging it or shutting off the circuit breaker before beginning any inspection or repair. Turn off the water supply valve to the dishwasher to prevent accidental leaks or flooding, especially when dealing with water intake components. Be cautious of sharp edges inside the appliance and potential residual hot water if the machine recently completed a cycle.
When to call a pro
If the error code persists after basic troubleshooting and points to a control module (main PCB) failure, professional replacement is often necessary due to complex programming and cost. Persistent E09 errors indicating a faulty flow-through heater or E15 errors where the AquaStop system is genuinely triggered by an internal leak often require a technician for precise testing and repair. Issues involving complex wiring harnesses or multiple component failures that are difficult to isolate without specialized testing tools are best left to a certified Bosch technician.
Questions people ask
What does a flashing E15 error code on my Bosch dishwasher mean?
An E15 error indicates that the AquaStop system has been activated, usually due to water detected in the base pan. This often points to a leak from a hose, pump, or seal within the appliance.
How can I reset my Bosch dishwasher to clear a flashing error code?
To reset, press and hold the Start button for 3-5 seconds until the display clears, then close the door. Alternatively, unplug the dishwasher for 5-10 minutes to perform a hard reset.
My Bosch dishwasher shows E24 or E25. What should I check first?
These codes indicate a drainage issue. First, check the drain filter for blockages and ensure the drain hose isn't kinked or obstructed, especially where it connects to the sink's plumbing.
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What it is, how urgent, who to call
Add a photo of your Bosch Dishwasher in the box at the top. The Triage Profile says what it is, how urgent it is, and who to call.