Miele Dishwasher Error Code Drain

The Drain fault means the dishwasher was unable to pump water out of the cabinet during the drain phase of the cycle. The control system detected that drainage did not complete within the required time and stopped the cycle as a protective measure. Common sources include a clogged triple filter, a jammed drain pump impeller, a blocked non-return valve, or a kinked drain hose. Clearing the blockage will typically resolve the fault.

You should not run the dishwasher while the Drain fault is active. If water cannot exit the machine, running another cycle risks overfilling the cabinet or forcing the pump motor to run dry, which can cause further damage. Clear the fault and confirm drainage is working before resuming normal use.

Resetting the dishwasher may clear the fault code display temporarily, but the error will return immediately if the underlying drainage problem has not been resolved. The control system will detect the drain failure again as soon as the next drain phase runs. The physical cause, whether a clogged filter, blocked pump, or kinked hose, must be corrected before the machine will complete a full cycle without faulting.

Start by removing and thoroughly cleaning the triple filter assembly at the bottom of the wash cabinet, as this is the most common cause. Next, check the drain hose along its entire length for kinks or compression. If water is still standing in the cabinet after these steps, the drain pump impeller or non-return valve may be obstructed and will need to be inspected. A failed drain pump motor will require professional testing and replacement.

If the fault is caused by a clogged filter or kinked hose, there is no parts cost and the repair is a simple DIY cleaning task. If the drain pump needs to be replaced, parts and labor costs typically range from $150 to $400 depending on the specific model and service rates in your area. A blocked non-return valve is generally on the lower end of repair costs if parts are needed.