Why is My Dishwasher Not Draining?

No-one wishes to open their machine and discover standing water but, don’t lose it just yet. You might manage solve the fault by yourself, without having to call a repair person or buy a new machine.

Your dishwasher refusing to empty may be bought about by a number of things a number of which can be easy to resolve. So, before you call a dishwasher repair service try this list of possible things you could troubleshoot by yourself. A proportion of which aren’t even caused by the machine itself.

Check the dishwasher wasn’t interrupted mid-program

If you’re fortunate the standing water you have discovered may not be an issue at all. Rather, the cycle might have been interrupted.

The cycle may have been cut short for a number of of reasons. Children pushing buttons, inadvertently pressing on the control panel, a power cut or opening the machine mid-program may all prevent the cycle from completing and mean your dishwasher doesn’t empty.

If you think this may be the case, or you just want to be sure it’s not the issue start the machine again on a quick program.

Some appliances could have an empty function meaning it’s well worth consulting your owners manual or checking online to make sure.

Check the waste disposal

If you have a waste disposal inspect this before you move on as a blocked waste disposal will prevent your machine from draining. Run the disposal using fast running water to ensure there are no obstructions.

If you do find an issue drain unclogger or a natural alternative can be employed to clear the blockage and this could deal with the error.

Examine the sink for clogs

If you sink is emptying inefficiently this might signify a plumbing issue rather than an issue with your machine.

If the sink is draining slowly you could attempt putting a little bicarbonate of soda and white vinegar down the drain, leaving it for a few minutes and then washing it away with boiling water.

A sink plunger may also be utilized to attempt to remove the blockage.

This could be enough to permit the machine to work again so start a quick rinse and empty program to check. If this hasn’t sorted the issue you may remove the water by hand using a jug and also a towel and check a few more areas.

At this point make sure you unplug the dishwasher to prevent electrocution.

If while you are carrying out any of these investigations you think you may have detected and repaired the fault you don’t need to go through the rest of the issues. Just run an empty cycle to ensure the dishwasher is repaired.

Inspect and clean the filters

Corn Kernels, paper from jars, plastic film lids and broken glass, plus scraps of food, may all obstruct the machine filter. Clear plastic lids could also be difficult to see if you don’t look carefully.

Take out the filter and clean it thoroughly before replacing it. Not all dishwashers have their filter in the same location so you may need to consult the owners manual for this.

Is the drain hose blocked?

The next component to examine is the waste water pipe. Many things could cause a blockage including a build up of food debris, a kink in the hose, or a crushed hose. All of which could all impede your dishwasher from emptying.

Subject to the location of the hose (generally the corrugated one) you could be able to inspect it by lifting away the base or you may be required to pull the dishwasher away from under the counter.

Visually inspect the hose first to find out if there are any kinks or it’s been squashed. You might be able to fix these issues by hand which will most likely solve the issue, however, it’s worth noting that when this has occurred it is significantly more inclined to happen again so you could wish to order a replacement hose.

If you can’t find any obvious kinks or obstructions you could take off the drain pipe from the pump and blow through it to figure out if there are any blockages. Be sure to line the floor with newspaper or towels before you remove the hose as there might still be water in the pipe.

If you are unable to blow through the waste hose this could be the problem.

Remove the hose at the sink end in order to give it a good flush through to get rid of the blockage. If you are unable to shift the blockage or the pipe is slit or damaged acquire a brand-new one. If you can remove the obstruction then re-attach the hose and start a short program to check that you have repaired the error.

You could also examine where the pipe connects under your sink. This is a likely point for debris to build up so if you do take off the waste hose give this point a thorough clean as well.

Examine the drain valve

You can check the drain valve by hand to make sure it isn’t seized. The drain valve will often be situated at the base of the machine on the valve bracket. Consult your instruction manual if you can’t see it.

Pushing down on the valve or giving it a wiggle should be sufficient to let you know if it’s seized. If you are able to see any debris blocking it remove this. If you are unable to, this may be when you should call a repair person unless you are undaunted by procuring and swapping out the component yourself.

Inspect your pump is not blocked

Your water pump makes use of impellers that can become blocked by broken glass or other objects. Check your pump isn’t blocked by removing the safety cover and making sure the impellers are free to move.

Listen to your dishwasher while it’s on

If the dishwasher is making funny noises your pump or motor may be damaged and need to be repaired.

Call a repair person

If none of the above examinations has solved the issue, or you suspect the pump, pump valve or motor are damaged, it could be time to call for help.

This way though you will at least have the means to give them more information and have managed to avoid having to pay a hefty repair fee for a blocked hose.

More Dishwasher Problems:

  • Dishwasher Being Loud
  • Dishwasher Not Turning On
  • Dishwasher Leaking
  • Dishwasher Not Drying
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