Bosch Dishwasher Error Code E20: How to Fix It

Q: What causes Bosch dishwasher error code E20?

Error code E20 is caused by a wash pump motor fault, typically due to electrical failure (open or short circuit), mechanical blockage, or motor wear. Clogged filters can also cause pump strain leading to this error.

Q: Can I still use my Bosch dishwasher with E20 error?

No, you cannot use your dishwasher with error code E20. The wash pump is essential for water circulation during cleaning cycles. The dishwasher will not operate properly until this error is resolved.

Q: How much does it cost to fix E20 error on Bosch dishwasher?

DIY repair costs $80-150 for a replacement wash pump motor. Professional repair typically costs $200-350 including parts and labor. Always check if your dishwasher is still under warranty first.

Q: How do I reset my Bosch dishwasher after fixing E20 error?

After completing repairs, unplug the dishwasher for 5 minutes to reset the control board. Plug back in and run a complete wash cycle to verify the error is cleared and normal operation is restored.

Q: Is Bosch dishwasher E20 error covered under warranty?

Yes, if your Bosch dishwasher is still under warranty, the E20 error should be covered as it indicates a component failure. Contact Bosch customer service or an authorized service center for warranty repair.

Abstract

Error code E20 on your Bosch dishwasher indicates a wash pump fault, meaning the pump motor is either open-circuited or short-circuited. This prevents proper water circulation during the wash cycle, causing your dishwasher to stop working.