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Common Causes Of Dishwasher Not Draining All The Way

Dishwasher repairs in my area

Experiencing drainage issues with your dishwasher? Fixing this common problem can be easy, depending on what’s causing it. From a clogged filter to a malfunctioning pump, learn why your dishwasher might not be draining all the way and how to fix it.

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A clogged or partially-clogged drain hose is one of the most common causes of a dishwasher not draining all the way. The drain hose connects the dishwasher to your home’s plumbing system and may become clogged with food particles, grease, and other debris. Unscrewing the hose and cleaning out any obstructions should remedy the issue. If you cannot easily find a blockage in your drainage hose, it might be completely clogged, and you will need to call a professional plumber to assess the situation further.

If your dishwasher is connected to an air gap installation, the air gap might be the cause of your drainage issues. Air gaps are located on the countertop close to the sink and feature a cap above two pipes on either side. If one of these caps becomes clogged or if any debris falls down into the pipes, it can prevent water from draining and may result in slow or non-existent drainage. Disconnecting the air gap and cleaning out any obstructions should restore proper functioning.

The pump and motor assembly are vital components of your dishwasher. If it’s no longer working, water will not be able to drain correctly. To diagnose whether this is a problem for you, take off the lower access panel, locate the pump and motor assembly, and listen for any humming or spinning noises. If you don’t hear anything, then the pump or motor might need to be replaced.

One of the most common causes of dishwasher drainage issues is too much detergent. The excess detergent blocks the drainage path and creates a build-up of suds in the machine. To fix this quickly, try running a cleaning cycle with no dishes or detergent to break down the suds. If this doesn’t work, you’ll likely need to take apart and clean your dishwasher more thoroughly.

Improperly loading your dishwasher can be another cause of poor drainage. Make sure the racks and basket are not overloaded with dishes or cutlery, as this can often create a blockage in the drain hose. If you notice dishes blocking the drain hose when loading, take them out and rearrange them to make sure they’re not in front of the outflow nozzle.

 

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