Dishwsher is not draining

Water will not drain from my Siemens dishwasher.

3 checks to draining the water away.

Is your dishwasher not draining properly? Sometimes this problem is easy to fix on your own. Here are a few reasons your dishwasher may not be draining and how to fix it.

Start by cleaning the filter unit
Clean the pump
Check the drain hose is clear

Step 1: Inspect the filter unit and the pump.

One reason for your dishwasher not draining completely could be a blocked filter or blocked pump. Foreign objects, such as slivers of glass, food or dirt, can clog the dishwasher’s filters and/or pump resulting in the dishwasher not draining.

To check these two components, follow these steps:

Check the filter of your dishwasher | Siemens Home Appliances

Clean the filter of your dishwasher.

Follow the instructions in the video to clean the filter system of your dishwasher.

Step-by-step guide: How to clean the filter of your dishwasher.

Step 1

Remove the dishwasher rack.

Siemens unblock filter unit and pull it out

Step 2

Unlock the filter unit found at the base of the dishwasher and carefully pull it out.

Siemens Dishwasher unscrew cylindriccal filter

Step 3

Separate the filters by carefully unscrewing the cylindrical filter first.

Siemens use a small brush to clean inside the filter and to remove smaller pieces of debris

Step 4

Clean both filters under running tap water. You can use a small brush to gently clean the inside of the filter and remove smaller pieces of debris. Do not use anything abrasive as this can damage the filter.

Step 5

Insert the filter system into the appliance and turn the coarse filter clockwise. Make sure that the arrow markings match up.

Step 2: Check the pump now.

Check the pump of your dishwasher.

Follow the instructions in the video to clean the filter system of your dishwasher.

Step-by-step guide: How do I unblock my dishwasher pump?

Siemens dishwasher switch on dishwasher and disconnect it from power supply.

Step 1

Switch off the dishwasher and disconnect the dishwashing machine from the power supply.

Step 2

Remove the bottom dish rack to provide better access to the filter.

Step 3

Take out the lower spray arm.

Step 4

Unlock the filter unit found at the base of the dishwasher.

Siemens Dishwasher carefully pull the filter out.

Step 5

And carefully pull it out.

Siemens remove as much of the water trapped in the dishwasher as possible

Step 6

Remove as much of the water trapped in the dishwasher as possible. A good sponge can help.

Siemens dishwasher's pump: to wear gloves as pieces of glass can block the pump

Step 7

Pieces of glass may block the pump, that’s why we recommend wearing some gloves.

Step 8

Separate the unit by carefully unscrewing the cylindrical filter first.

Info: The pump covers on some models can be removed by using a manual screwdriver (never use an electric one). Any obstructions should then be removed in the same way.

Siemens Dishwasher: clean and rinse both filter units under running water until it is free of residues.

Step 9

Clean and rinse both filter units under running water until it is free of residues. You can use a small brush to gently clean the inside of the filter and remove smaller pieces of debris. Do not use anything abrasive as this can damage the filter.

Step 10

Using a tea spoon, prise off the pump cover.

Step 11

Grip the cover by the lug and pull it upwards until it resists and then pull forwards.

Step 12

Check the pump for any foreign objects and remove any deposits.

Siemens Dishwasher: make sure you reinstall the filter system correctly.

Step 13

Place the sieves and filter unit back into position, make sure you reinstall the filter system correctly.

Step 14

Ensuring the arrows align.

Siemens Dishwasher: Replace spray arm and the basket and your dishwasher is ready for use and test it.

Step 15

Replace spray arm and the basket and your dishwasher is ready for use. Reconnect the power supply. Set the dishwasher on its quickest cycle to test whether it drains and the problem is solved.

Step 3: Check if the drain hose is clear.

A reason for the dishwasher not draining completely could simply be a kinked or twisted drain hose . Kinks and twists can prevent water flow and trap food and other debris.

Disconnect the machine from the power supply. Check the drain hose has no kinks or twists . If it does, try to straighten them out. There will likely be very hot water in the hose so carefully straighten it out and place one end in a bucket to drain.

Once the water has drained, feel along the hose with your hands for blockages, and check again for kinks. Clean the drain hose using the dishwasher “drain” programme, letting water run through the hose into a bucket. Use the opportunity to check the hose for leaks. You can also remove the hose from the dishwasher completely and clean it with hot water, although, if it is particularly dirty, it is a good idea to replace it.

Reconnect the drain hose and plug in the dishwasher. Set the dishwasher on its quickest cycle to test whether the dishwasher now drains properly.

Have you checked the tips and the issue isn’t solved?

If you have followed the information above but you're still having problems with your Siemens dishwasher, then you might want to have it checked out by a Siemens professional.