Bosch Dishwasher Medium

Bosch Dishwasher Error Code E22 — How to Fix (Filter/drain clogged)

Fix Bosch Dishwasher error code E22. Step-by-step guide to diagnose and resolve the filter/drain clogged on Bosch dishwashers.

⏱️ Time30-60 minutes
📋 DifficultyMedium
🔧 Model(various models)
⚠️ ErrorE22

What Does Error Code E22 Mean?

Error E22 on your Bosch Dishwasher means: Error code E22 on your Bosch Dishwasher indicates that the filter or drain is clogged, preventing water from draining properly. This can cause poor cleaning performance, unusual noises during the cycle, and potentially damage your dishwasher.

What You'll Need

🔧 Tools

  • Phillips
  • Torx T20 screwdriver
  • Multimeter
  • Drain snake (optional)

🛒 Parts

  • Bosch Dishwasher Filter Assembly

How to Fix Error E22 — Step by Step

  1. 1

    Step 1: Power Cycle the Dishwasher

    Unplug the dishwasher from the power outlet and wait for 30 seconds. This will reset the control board and clear any temporary issues. Plug the dishwasher back in and check if the error code E22 is still displayed.

    💡 Pro Tip: Power cycling the dishwasher can often resolve temporary issues, so try this step first before moving on to more complex troubleshooting.

  2. 2

    Step 2: Check and Clean the Filter

    Open the dishwasher filter assembly by removing the screws with a Phillips #2 screwdriver. Locate the filter screen and remove any large food particles or debris. Rinse the filter with warm water and reassemble the filter assembly. Make sure it is securely locked in place.

    💡 Pro Tip: The filter is usually located at the bottom of the dishwasher and can be accessed by removing the lower panel. Be sure to check the filter regularly to prevent clogs.

  3. 3

    Step 3: Inspect and Clean the Drain

    Use a Torx T20 screwdriver to remove the screws holding the drain cover in place. Carefully lift the cover and inspect the drain for any blockages or debris. Use a drain snake (if available) to clear any stubborn blockages. Reassemble the drain cover and ensure it is securely locked in place.

    💡 Pro Tip: The drain cover is usually located at the bottom of the dishwasher and can be accessed by removing the lower panel. Be sure to check the drain regularly to prevent clogs.

  4. 4

    Step 4: Check the Drain Hose

    Locate the drain hose and inspect it for any kinks, twists, or blockages. Straighten any kinks and ensure the hose is properly connected to the dishwasher and drain. Inspect the drain hose for clogs, kinks, or damage. If the resistance is high, replace the drain hose.

    💡 Pro Tip: The drain hose is usually located at the back of the dishwasher and can be accessed by removing the rear panel. Be sure to check the drain hose regularly to prevent clogs.

  5. 5

    Step 5: Replace the Filter Assembly (if necessary)

    If the filter assembly is damaged or clogged beyond repair, replace it with a new one. Make sure to purchase the correct filter assembly for your Bosch Dishwasher model.

    💡 Pro Tip: Replacing the filter assembly can be a bit tricky, so be sure to follow the manufacturer's instructions and take your time.

When to Call a Professional

If the repair requires accessing internal wiring, or if the error code E22 persists after trying the above steps, this is a good time to call in professional help.

Related Bosch Dishwasher Error Codes

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