No-one wishes to open their dishwasher and discover it hasn’t drained properly but, don’t overreact just yet. You might manage figure out the error without having to call a plumber or purchase a new machine.
Standing water in your machine could be induced by any number of issues a few of which can be simple to deal with. Therefore, before you call a dishwasher repair service try this lineup of probable issues you may correct on your own. A few of which aren’t even a fault of the dishwasher itself.
If you’re fortunate the standing water you have discovered may not be an issue at all. Rather, the program could have been interrupted.
The program might have been cut short for any number of of reasons. Children pushing buttons, mistakenly pressing against the buttons, a power surge or opening the dishwasher mid-program might all interrupt the cycle and mean your dishwasher doesn’t empty.
If you suspect this may be the circumstance, or you feel it may be a good idea to check start the machine again on a short cycle.
A proportion machines may have an empty cycle so it’s well worth having a look at your instructions or checking online to find out.
If your dishwasher is connected to your garbage disposal inspect this first as an obstructed waste disposal will stop the dishwasher from draining. Run the waste disposal with lots of water to make sure there are no obstructions.
If you do find a blockage drain unclogger or a natural alternative may be employed to unclog the obstruction and so this could rectify the problem.
If you kitchen sink is draining inefficiently this could indicate a plumbing issue rather than a problem with your dishwasher.
In the case that the kitchen sink is emptying inefficiently you can attempt putting some bicarbonate of soda and white vinegar down the plughole, leaving it for a while and then washing it away with boiling water.
A sink plunger might also be employed to attempt to dislodge the blockage.
This may be sufficient to allow the appliance to drain so start a short program to check. If this hasn’t sorted the issue you can manually empty the dishwasher using a jug as well as a sponge and have a look at a few more areas.
At this point make sure you disconnect the dishwasher to avoid electrocution.
If in the process of any of these checks you think you may have found and repaired the problem you don’t need to go through the rest of the steps. Just run an empty program to ensure the machine is fixed.
Corn Kernels, labels from jars, film covers and broken glass, as well as scraps of food, could all obstruct the dishwasher filter. Clear glass could also be hard to see if you aren’t looking for it.
Remove the filter and scrub it thoroughly before putting it back in place. Not all filters are obvious and simple to remove so you could need to consult the manual for this.
The next area to inspect is the waste water pipe. Many things could cause an obstruction including a build up of food debris, a kink in the hose, or a crushed hose. All of which may all impede your dishwasher from draining.
Subject to the position of the waste pipe (generally the corrugated one) you could manage view it simply by removing the base alternatively you might have to move the dishwasher out from the wall.
Visually examine the pipe in the first instance to find out if there are any kinks or it’s been squashed. You might be able to manually remove any kinks which should resolve the issue, however, be aware that once this has happened the probability of it occurring again is significantly increased so you could need to purchase a replacement hose.
If you are unable to find anything you can remove the waste water hose from the dishwasher and blow into it to check for any blockages. Be sure to put down newspaper or towels before you remove the hose as even if you have emptied the dishwasher there might still be dirty water in the pipe.
If you are unable to blow air through the pipe this may be the problem.
Take off the hose at the sink end and give it a thorough flush through to get rid of the blockage. If you can’t shift the obstruction or the waste hose is split or degraded purchase a new one. If you can remove the blockage then put the hose back and start a quick cycle to find out if you have repaired the issue.
You could also examine the point where the pipe connects under your sink as well. This is a common place for debris to build up so if you happen to take off the pipe give this connection a good clean as well.
You could manually check the drain valve to ensure it hasn’t got stuck. The drain valve will generally be situated at the base of the dishwasher on the valve bracket. Check your owners manual if you’re not sure.
Depressing the valve or giving it a jiggle will likely be enough to find out if it’s stuck. If you can see an object stopping it from moving remove this. If you can’t, this could be a good time to get in touch with a plumber unless you are happy in ordering and swapping out the part yourself.
Your water pump makes use of impellers that can be blocked by pieces of glass or other debris. Check your impellers aren’t obstructed by removing the cover and checking that the impellers are free to move.
If your dishwasher doesn’t sound right your dishwasher pump or motor may be broken and need to be repaired.
If none of the above investigations has solved the error, or you have reason to believe the pump, pump valve or motor are damaged, it might be a good time to get the professionals.
This way though you will at least be able to give them more information and have prevented having to pay a hefty call-out charge for a blocked hose.
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