E15 means Bosch’s leak sensor found water sitting in the base pan and shut the dishwasher down to prevent damage. A worn door gasket is the most common source, but the water could also be coming from a supply line or the tub itself.
Brand: Bosch
Bosch Dishwasher Error Code E15 (Leak Detected)
E15 means the base pan’s leak sensor detected water and shut the dishwasher down as a safety measure.
Meaning
Possible causes
No cause is certain until it has been checked on the appliance.
- Very likely Worn or misaligned door gasket letting water past during the wash
- Likely Water supply line connection leaking under the unit
- Possible Condensation pooling from a previous cycle
- Rare Cracked tub or internal hose
First checks
- Tilt the dishwasher forward carefully to drain water pooled in the base pan.
- Run a finger along the door gasket looking for cracks, gaps, or debris preventing a full seal.
- Check the water supply line fitting under the unit for drips.
- Run a short cycle and watch the base pan and door seal closely for where water first appears.
What not to do
- Running further cycles before finding and drying the leak source, this can trip E15 repeatedly or cause worse water damage.
- Assuming it's the pump or valve before checking the door gasket, the cheapest and most common fix.
An error code varies by brand
The same code can have a different meaning depending on the brand and model. Always check your appliance's manual before acting.
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When to call a professional
If the simple checks didn’t solve it, if the fix involves electrical wiring, gas, or the refrigerant circuit, or if you have any doubt at all: stop there and hand the appliance to a qualified repair professional.