If your Bosch dishwasher is displaying an E15 error code, it means your dishwasher has decided that there is a risk that it might leak due to too much water in the dishwasher.
When the control board receives a signal from the flood switch, it activates the water pump to drain water and then turns the dishwasher off.
The most common reasons for this happening include:
Bosch’s official advice for consumers when they see the E15 error code is to call a qualified technician, as it will probably require replacing a component to fix it. However, in this guide, we will talk you through some of the most common ways you can try to fix the error code yourself.
This guide covers all major Bosch dishwasher models, including:
GM926710
SHE44C05UC/20
SHE44C06UC/17
SHE46C02UC/17
SHE46C05UC/17
SHE46C05UC/22
SHE46C06UC/17
SHE55M05UC/50
SHE55M05UC/52
SHE55M05UC/53
SHE56C02UC/17
SHE56C02UC/18
SHE56C05UC/17
SHE56C06UC/17
SHE56C07UC/17
SHI4302
SHI4306
SHI6802
SHI6805
SHI6806
SHX46A05UC/14/SERIAL: -8210
Before you check various components to find the cause of the problem, you can perform this simple function, which might help to remove the error code and drain your dishwasher.
All you need to do is:
The next step is to check the filter in your dishwasher and give it a good clean. When it gets dirty or filled with debris, it can stop your dishwasher from being able to drain properly. This then results in the E15 error code appearing on your Bosch dishwasher.
To check and clean the filter, you simply need to:
The next possible cause of the problem is a faulty leak sensor. This doesn’t happen very often, but just like any other dishwasher component, it can need to be replaced due to wear and tear or if it stops functioning correctly.
Here’s how to check the leak sensor:
Another possible cause of the E15 error code appearing, or at least a contributing factor, is if your dishwasher tank is damaged and has a crack in it that could cause a leak to occur. To ensure the dishwasher tank is fine, give it a thorough inspection. If you find it is cracked or damaged, you’ll need to get a professional technician to help you fix it or consider buying a new dishwasher.
If the tank is fine, check the water sprinkler. The water sprinkler determines the pressure of the water when it enters the dishwasher tank. Sometimes it can split, which causes water to flow into the base of the dishwasher, causing the leak sensor to activate. You can check the water sprinkler by locating it and giving it a thorough check. If you find any damage, it will need to be replaced.
The final possible cause of the problem is faulty hoses. Sometimes the water hoses can get damaged, and this can cause water to flow incorrectly into the bottom of the dishwasher tray. To rule out a broken hose as the cause of the problem, give the water hoses a thorough check, and if damaged, replace them.
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