Why your dishwasher is not able to drain water?

Posted by Easy Repair
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May 16, 2024
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It may seem scary to notice that your dishwasher is not draining water. It can be a real nightmare when you see a puddle of frozen water instead of sparkling clean plates. You should be concerned about handling it immediately to avoid bacteria build-up and stuck, smelly mess.

It is important to note that if you do any DIY work, you will need to turn off the dishwasher at the mains or unplug the appliance to isolate the power supply. You will also need to isolate the water supply.
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Filters are Dirty

If your dishwasher is not draining water, the first thing you should do is check your filter. Filters are an integral part of the dishwasher and need to be maintained to keep the machine running efficiently. The filters trap wet food particles and prevent excess food and grease from re-depositing in the dishwasher.

However, if the filters are not cleaned regularly they can easily become clogged. We recommend cleaning your dishwasher filter at least once a fortnight to prevent the plates from becoming dirty and ensure the long life of your appliance. Luckily, cleaning your filter is a fairly simple task.

First, you need to locate your filters and delete them. Below the lower spray arm, these are found at the bottom of the dishwasher. Start by rotating the cylindrical filter to free the filter from the dishwasher. (Typically, these will have arrows indicating which direction to turn the filter.)

Once the cylindrical filter is removed, it is possible to pull out the metal mesh filter plate. Take a look at the sump, the lower depression located below both filters, to check that no large food deposits have fallen into the sump area and are causing a blockage.

To clean the filters, you will need to run them under the tap to clear out any food deposits or dirt. For extra tough grime, you may want to use warm soapy water with a sponge or old toothbrush. When the dishwasher's filters are clean and free of dirt, simply replace them.

The Drain Pipe or Sink is blocked

If cleaning your filter hasn't solved the problem, the next step that could be stopping your dishwasher from draining water can be  blocked drain hose. The drain hose is an essential component of any dishwasher as it moves dirty water away from the appliance. It is usually connected to the same drain line as the kitchen sink.

Although unlikely, the drain pipe may become blocked or narrowed by dirt and food debris. To clean the drain hose, you will need to remove it from the dishwasher and sink drain.

The problem may also be in your kitchen sink. Fixing a blocked sink drain is easy if you have a plunger or drain snake. If you need additional assistance, our drain service or appliance repair service is just a call away.

Drain Pump is Damaged

Like a dishwasher filter, a drain pump can easily become clogged with leftover food particles and accumulated grease. This will prevent water from flowing after the wash cycle. Any debris that reaches the pump can usually be found near the impeller (a rotor that increases the pressure and flow of fluid).

Some Foreign objects, Like broken glass, ceramic can also easily slip into the drain pump and prevent the pump from working. If there is a problem here you should be able to hear the pump struggling.

For Checking the drain pump, you need access to the bottom of the dishwasher. This means you will have to disconnect the inlet hose and remove the base plate. You will also need to take resistance readings using a multimeter to make sure the pump is working properly. If you feel uncomfortable performing any of these tasks or do not want to risk voiding your appliance's warranty, call a qualified plumbing technician to your dishwasher repair north york.

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