No-one wants to open their machine and discover it hasn’t drained correctly but, don’t panic just yet. You might manage deal with the fault without having to call a repair person or buy a brand-new dishwasher.
Standing water in your machine may be caused by a number of things some of which are straightforward to resolve. Therefore, before you call a dishwasher repair service try this list of possible issues you could identify yourself. A few of which aren’t even caused by the dishwasher itself.
If you’re lucky the fact your dishwasher hasn’t drained may not be a fault at all. Rather, the cycle might have been cut short.
The program may have been cut short for any number of of reasons. Children pressing controls, inadvertently pushing on the control panel, a power cut or opening the machine mid-program might all interrupt the cycle and mean your machine doesn’t drain.
If you believe this could be the circumstance, or you feel it may be worthwhile checking run the machine again on a quick cycle.
A proportion dishwashers could have an empty capacity so it’s worthwhile checking your instruction manual or checking online to make sure.
If your dishwasher is connected to your waste disposal examine this before you do anything else as an obstructed waste disposal will block your dishwasher from draining. Turn on the disposal with plenty of water to ensure there are no blockages.
If you do discover a blockage drain cleaner or a plunger could be sought after to remove the blockage and so this could deal with the fault.
If you kitchen sink is emptying slowly this could suggest an issue with the pipes rather than an error with your dishwasher.
If the sink is emptying inefficiently you could attempt putting a little bicarb and vinegar down the drain, leaving it for a while and subsequently flushing it away with boiling water.
A sink plunger might also be utilized to try and shift the blockage.
This could be sufficient to allow your appliance to empty so start a short program to check. If not you may remove the dirty water by hand using a cup and a sponge and have a look at a few more areas.
Make certain to turn off the machine to avoid electrocution.
If during one of these examinations you think you may have found and fixed the fault there is no need to continue to the next step. Just start an empty program to ensure the machine is repaired.
Corn Kernels, labels from jars, plastic film lids and smashed glass, as well as scraps of food, could all obstruct the dishwasher filter. Clear film can also be hard to see if you aren’t looking for it.
Remove the filter then wash it thoroughly before putting it back in place. Not all filters are obvious and straightforward to remove so you could need to refer to the owners manual for this.
The next place to inspect is the drain 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 machine from draining.
Contingent upon the position of the waste pipe (usually the corrugated one) you could be able to look at it simply by removing the kick plate or you may need to move the dishwasher away from the wall.
Have a look at the pipe in the first instance to discover if there are any kinks or it’s been squashed. You might manage fix these issues by hand which should solve the issue, but be aware that once this has happened the probability of it happening again is greatly increased so you may need to buy a replacement hose.
If you can’t see any obvious kinks or obstructions you could take off 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 there may still be waste water in the pipe.
If you can’t blow air through the pipe this might be the reason your machine isn’t draining.
Disconnect the other end of the hose in order to give it a thorough flush through to remove the blockage. If you can’t shift the obstruction or the waste pipe is slit or damaged buy a new one. If you can get rid of the obstruction then replace the hose and run a quick cycle to double check that you have fixed the error.
You can also examine the point where the waste hose attaches to the waste disposal. This is a likely spot for blockages to occur so if you happen to remove the hose give this area a good scrub as well.
You could manually check the drain valve to ensure it isn’t stopped working. The drain valve will most often be found at the base of the machine on the valve bracket. Examine your manual if you’re unsure.
Pressing down on the valve or wiggling it a bit will likely be enough to let you know if it’s seized. If you are able to see any debris blocking it get rid of this. If you can’t, this could be when you should call a repair person unless you are confident in purchasing and replacing the valve yourself.
Your water pump uses impellers that could get obstructed by broken china or other debris. Check your impellers aren’t blocked by taking off the cover and ensuring that the impellers can be easily rotated.
If your dishwasher is making funny noises your pump or motor may be damaged and need replacing.
If you have been through the above list and the error persists, or you think the pump, pump valve or motor are damaged, it could be time to call in the professionals.
At least having attempted to troubleshoot you have avoided needing to pay a hefty call-out charge for a blocked hose.
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