What is Bosch Dishwasher Error Code E15?

The error code E15 of the Bosch dishwasher shows that the leakage protection system has been turned on. It happens when the safety switch has indicated water collection in the bottom of the dishwasher. This error code also appears when the float switch or pressure chamber has stuck.

After activating the anti-flood switch, the control board turns on the water pump. The pump works for water pumping from the bunker. In the end, the dishwasher turns off. The error code E15 message will stay until you reset the machine or resolve this issue.

Fix Bosch Dishwasher Error Code E15 with 6 Different Ways

The error code E15 appears for multiple reasons. It is an indication that the base of your dishwasher has collected water. So, the dishwasher discontinues its’ working. You can fix this error message by resetting the dishwasher. With 6 easy methods, you can fix this error and start your normal dishwashing process as you did before.

Bosch error code e15

1. Tilting of Dishwasher

The easiest method to get rid of error code E15 is tilting of your dishwasher. First, you need to turn off the power and water supply to the dishwasher. Then pull it off from the wall or cabinet. Tilt the dishwasher at a 45-degree angle. In this way, the water accumulated at the dishwasher base will remove away from the safety switch.

The safety switches automatically reset after water drainage, and the error code disappears. But if the error code E15 still prevails, you should move to other methods for resetting the error code.

2. Filter Clearance

If something is stuck in your dishwasher’s filter, it will stop the water drainage. As a result, the error code E15 emerges on the dishwasher. So, you need to clean and fix your filter.

A water filter is presented on the bottom side of the dishwasher. If your dishwasher has a bottom cover, you first need to remove it. After getting access to the water filter, dislodge the filter by twisting it. If the filter comprises two or more parts, you need to remove them one by one.

Bosch filter cleaning

Clean your filter with soapy hot water and a brush. After cleaning, please put it back to its previous position carefully. Then switch on your dishwasher to check if it works or not. If not, then it means it’s not about the water filter. The error code appearance may have another reason. So, move towards the next method.

3. Checking of Leak Sensor

If your leak sensor is showing tearing or leaking, this could be the possible reason for the appearance of the E15 code. You have to check or replace your leakage sensor to resolve this issue. To check whether the problem prevails in the leakage sensor or not, switch off your dishwasher first. After locating the leak sensor, check it out carefully. If the leak sensor is fine, then go for the other method.

water leakage

But if you find any signs of damage, you better replace it. Besides this, take a multi-meter and check the continuity of the leak sensor. If it doesn’t show any continuity, it should be replaced. After replacing, turn on the machine. If the error code still prevails, then move towards the next method.

4. Inspection of dishwasher Tank

If your water filter and leak sensor are perfect, you should check your dishwasher tank. The leakage in the dishwasher tank could be a possible cause of error code E15 appearance. To ensure no cracks in the water tank, you must perform a thorough inspection.

You have to repair your dishwasher tank in case of any cracks or damages. You can get the help of a good technician to repair your dishwasher tank leakage. After fixing it, if you still witness the error code E15, you should check other possible causes of water leakage.

5. Check Water Sprinkler

Water sprinkler determines the supply of water into the dishwasher tank. If your tank is fine, it could be your problematic dishwasher sprinkler. If it splits, it can cause water accumulation at the bottom of the dishwasher. You will have to inspect it thoroughly. If you find it damaged, then replace it with a new one.

After replacing, check again by switching on the dishwasher. If the machine works fine, but if the error code is still there, you should move to the last possible option.

6. Replace Water Hoses

If everything else is fine, then the last possible cause of water accumulation will be damaged water hoses. Damaged and split water hoses can cause incorrect water flow and lead it to the dishwasher’s bottom. In case of damaged water hoses, replace them. The error code will possibly disappear.

Final Words

The error code E15 on a Bosch Dishwasher is the indication of water accumulation in the bottom part. It can be reset by a thorough inspection of every dishwasher part. The damaged parts should be replaced to reset the safety switch and make the dishwasher functionally well.

Frequently Asked Questions

1. What causes the E15 error code on the Bosch dishwasher?

The error code E15 appears on the Bosch dishwasher due to the large quantity of water present on the bottom tray of the dishwasher that turns off the machine. It could be caused by any malfunctioning in the dishwasher tank, water filters, water sprinkler, leakage sensor, and water hoses.

2. How could you fix the Bosch E15 error?

You can fix E15 by tilting the dishwasher to remove the water from the bottom tray. If it does not work, you should check all parts of the dishwasher manually and fix any leakage or damage. You can also replace the leaked parts to fix the E15 error.

3. What is the difference between error E24 and E15 of the Bosch dishwasher?

The error E24 on the Bosch dishwasher appears when there is a blockage in the water filter. In comparison, the E15 error code occurs due to the water accumulation in the bottom of your dishwasher.


  • Stephen Powers

    Appliance repair guy from Washington. I am majorly experienced in dishwashers, water filters and refrigerators, AMA on my twitter account.

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