Bosch Dishwasher Error Code E22 Troubleshooting Guide

Even as dishwashers become smarter and more high-tech, they’re still susceptible to the same problems. Even your Bosch dishwasher at home can suffer from the occasional clog or blockage, and it’ll let you know that there’s a problem by showing you a unique error code.

If your Bosch dishwasher displays the E22 error code, that means the filter is blocked or clogged, and water cannot correctly drain out of the machine like it’s supposed to. This error is usually caused by a clogged or calcium buildup in the drain filter. However, it can also be caused by a blocked drain hose, non-return valve, or circulation pump.

In this article, we’ll explore all the possible reasons for the E22 error code on your Bosch dishwasher, from the most likely to the least likely (but still possible).

On Bosch dishwashers, the E22 error code appears when there’s still water in the basin even after the draining cycle. This error code is usually caused by a clogged filter that might be blocked by food bits, dirt, foreign objects, or anything that prevents water from passing through and draining out of the appliance.

Related: All Bosch Dishwasher Error Codes – How To Enter Diagnostic Mode?

Right at the bottom inside your Bosch dishwasher is a filter. Typically, it consists of two parts: a mesh screen that lays flat on the bottom of the dishwasher and a filter piece that attaches to it and leads into the bottom of the basin under that mesh screen.

As the dishwasher sprays your plates, pots, pans, and anything else you’ve placed in the machine, the solid bits will fall to the bottom. The filter’s purpose is to then remove those solid pieces before the water is either recirculated or drained out of the machine.

Why it fails:

Like any other filter, the one in your Bosch dishwasher must be cleaned from time to time. Without proper cleaning, the bits and pieces that are washed off of your plates will build up at the filter, eventually leading to a clog. That will trigger the E22 error code.

Unfortunately, that’s only the start of the problem. When the fine drain filter is clogged, water will not be able to get through. That will lead to a lack of water being recirculated during the wash cycle.

How does that make matters worse? Well, a lot of the grease and other items on plates will not be diluted enough without enough water. As a result, they’ll contribute even more to the blockage that’s already formed at the filter, thereby making the clog much worse over time.

How to fix:

Thankfully, fixing this problem is relatively straightforward. Firstly, shut your Bosch dishwasher off completely.

Even as dishwashers become smarter and more high-tech, they’re still susceptible to the same problems. Even your Bosch dishwasher at home can suffer from the occasional clog or blockage, and it’ll let you know that there’s a problem by showing you a unique error code.

If your Bosch dishwasher displays the E22 error code, that means the filter is blocked or clogged, and water cannot correctly drain out of the machine like it’s supposed to. This error is usually caused by a clogged or calcium buildup in the drain filter. However, it can also be caused by a blocked drain hose, non-return valve, or circulation pump.

In this article, we’ll explore all the possible reasons for the E22 error code on your Bosch dishwasher, from the most likely to the least likely (but still possible).

On Bosch dishwashers, the E22 error code appears when there’s still water in the basin even after the draining cycle. This error code is usually caused by a clogged filter that might be blocked by food bits, dirt, foreign objects, or anything that prevents water from passing through and draining out of the appliance.

Related: All Bosch Dishwasher Error Codes – How To Enter Diagnostic Mode?

Right at the bottom inside your Bosch dishwasher is a filter. Typically, it consists of two parts: a mesh screen that lays flat on the bottom of the dishwasher and a filter piece that attaches to it and leads into the bottom of the basin under that mesh screen.

As the dishwasher sprays your plates, pots, pans, and anything else you’ve placed in the machine, the solid bits will fall to the bottom. The filter’s purpose is to then remove those solid pieces before the water is either recirculated or drained out of the machine.

Why it fails:

Like any other filter, the one in your Bosch dishwasher must be cleaned from time to time. Without proper cleaning, the bits and pieces that are washed off of your plates will build up at the filter, eventually leading to a clog. That will trigger the E22 error code.

Unfortunately, that’s only the start of the problem. When the fine drain filter is clogged, water will not be able to get through. That will lead to a lack of water being recirculated during the wash cycle.

How does that make matters worse? Well, a lot of the grease and other items on plates will not be diluted enough without enough water. As a result, they’ll contribute even more to the blockage that’s already formed at the filter, thereby making the clog much worse over time.

How to fix:

Thankfully, fixing this problem is relatively straightforward. Firstly, shut your Bosch dishwasher off completely.