Miele Dishwasher Error Code F18: How to Fix It

Q: What causes Miele dishwasher error code F18?

Error F18 is caused by a blocked or faulty drain pump. Common causes include food debris in the filter, objects stuck in the pump impeller, clogged drain hose, or a failed pump motor.

Q: Can I still use my Miele dishwasher with error F18?

No, you should not use the dishwasher with error F18. The drainage system isn't working properly, which can lead to water damage, poor cleaning results, and potential damage to the appliance.

Q: How much does it cost to fix a Miele dishwasher F18 error?

If it's just a blockage, you can fix it yourself for free. If the drain pump needs replacement, expect to pay $150-300 for the part plus $100-200 for professional installation.

Q: How often should I clean my Miele dishwasher filter to prevent F18?

Clean your dishwasher filter monthly or when you notice food particles accumulating. Regular cleaning prevents blockages that lead to error F18 and maintains optimal performance.

Q: Will error F18 go away on its own?

No, error F18 will not resolve itself. The drain pump blockage or malfunction must be physically addressed before the dishwasher will operate normally again.

Abstract

Error code F18 on your Miele dishwasher indicates that the drain pump is either blocked by debris or has malfunctioned. This prevents water from draining properly, leaving standing water in the bottom of your dishwasher after a cycle.