Why is My Dishwasher Not Draining?

Although it’s always irritating to open your machine and discover the machine hasn’t emptied fully, try not to panic just yet. You could have the means to fix the problem before you have to call a repair person or buy a new dishwasher.

Standing water in your dishwasher could be bought about by any number of components some of which are easy to figure out. So, in advance of calling a dishwasher repair service try this lineup of potential things you could identify yourself. A number of which are not even related to the machine itself.

Ensure the cycle wasn’t interrupted

It is possible that there is nothing preventing your dishwasher from emptying. Alternatively, the cycle might have been interrupted.

The program might have been stopped mid-way for multiple of reasons. Little fingers pushing buttons, inadvertently leaning against the control panel, a power surge or opening the machine mid-cycle could all interrupt the program and mean your dishwasher doesn’t drain.

If you suspect this may be the circumstance, or you feel it might be a good idea to check start the dishwasher again on a short program.

Some machines may have an empty capacity so it’s worthwhile having a look at your instructions or checking online to check.

Check the waste disposal

If you have a waste disposal inspect this before you do anything else as an obstructed garbage disposal will block your dishwasher from draining. Turn on the garbage disposal with plenty of water to make sure there are no blockages.

If you do uncover a blockage drain cleaner or a natural alternative may be employed to remove the blockage and so this could rectify the fault.

Inspect the sink for clogs

If you sink is emptying slowly this might signify a plumbing issue instead of an error with your machine.

If the sink is draining slowly you could attempt putting a little bicarbonate of soda and white vinegar down the drain, letting it sit for a while and subsequently flushing it away with boiling water.

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

This might be enough to allow your dishwasher to work again so run a short rinse and drain cycle at this point. If not you may remove the water by hand using a bowl as well as a sponge and troubleshoot a few more areas.

Make sure you turn off the dishwasher to prevent electrocution.

If during one of these checks you suspect you have detected and repaired the error there is no need to continue to the next issue. Just run an empty program to ensure your machine is now emptying as it should.

Inspect and wash the filters

Popcorn, labels from jars, plastic covers and broken glass, as well as food debris, could all block the dishwasher filter. Clear glass may also be hard to see if you don’t look closely.

Remove the filter then clean it thoroughly before replacing it. Not all filters are obvious and easy to remove so you may need to consult the owners manual for this.

Is the waste water pipe obstructed?

The next component to inspect is the drain hose. Stuck food, a kink in the hose or a crushed hose may all stop your dishwasher from emptying.

Depending on the position of the hose (generally the corrugated one) you could be able to view it by means of removing the base or you may need to move the machine away from under the counter.

Visually inspect the pipe first to find out if it has been squashed or kinked. You might manage fix these issues by hand which is likely to fix the issue, however, be aware that when this has occurred it is significantly more likely to happen again so you could wish to order a spare hose.

If you can’t find anything you could take off the drain hose from the machine and blow into it to check for any blockages. Make sure you line the floor with newspaper or towels first as even if you have emptied the machine there might still be waste water in the hose.

If you can’t blow air through the hose this could be the issue.

Remove the hose at the sink end and then give it a good clean to get rid of the obstruction. If you can’t get rid of the obstruction or the pipe is split or worn acquire a new one. If you could remove the obstruction then re-attach the hose and start a quick cycle to make sure you have solved the error.

You may also examine the point where the hose attaches to the waste disposal as well. This is a likely place for debris to build up so if you do remove the waste pipe give this area a thorough clean as well.

Inspect the drain valve

You may inspect the drain valve by hand to ensure it hasn’t stopped working. The drain valve will usually be situated at the base of the machine on the valve bracket. Consult your instructions if you can’t see it.

Depressing the valve or wiggling it a bit will likely be enough to tell you if it’s seized. If you can see anything stopping it from moving carefully extract this. If you can’t, this could be when you should get in touch with a plumber unless you are happy in purchasing and repairing the component yourself.

Examine your pump is not blocked

Your appliance pump uses impellers that could be blocked by pieces of china or other debris. Check your pump isn’t broken by removing the safety cover and checking that the impellers can be easily rotated.

Run your machine and listen for any unusual sounds

If it sounds unusual your pump or motor could be broken and need to be repaired.

Call a repair person

If you have been through the above list and the error remains, or you think the pump, pump valve or motor are damaged, it might be a good 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 needing to pay a hefty call-out fee for a blocked hose.

More Dishwasher Problems:

CLICK-TO-CALL