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[Home](/) › [Blog](/blog/) › How to Troubleshoot a Dishwasher That Won't Drain in Colorado Springs

Blog · 2026-07-14

# HOW TO TROUBLESHOOT A DISHWASHER THAT WON'T DRAIN IN COLORADO SPRINGS

APAppliance Repair Colorado Springs Editorial Team
Licensed appliance repair professionals

In this article
[1. Start with the Basics: Check the Filter and Food Trap](#sec-start-with-the-basics-check-the-filter-a)[2. Inspect the Drain Hose for Kinks or Clogs](#sec-inspect-the-drain-hose-for-kinks-or-clog)[3. Look for a Clogged Air Gap or Garbage Disposal](#sec-look-for-a-clogged-air-gap-or-garbage-di)[4. Consider the Drain Pump and Float Switch](#sec-consider-the-drain-pump-and-float-switch)[5. When to Call a Professional in Colorado Springs](#sec-when-to-call-a-professional-in-colorado-)

A dishwasher full of standing water is a frustrating sight, especially after you have already loaded it with detergent and run a cycle. In Colorado Springs, where hard water and mineral buildup are common, drainage problems can appear more frequently than in other areas. The good news is that many of these issues can be diagnosed and sometimes resolved without calling for help. This guide will walk you through the most common reasons a dishwasher won't drain and what you can check yourself before picking up the phone.

## Start with the Basics: Check the Filter and Food Trap

The first place to look is the filter assembly at the bottom of your dishwasher. Over time, food particles, grease, and mineral deposits from Colorado Springs' hard water can clog this screen. A blocked filter prevents water from flowing to the drain pump, leaving you with a pool of dirty water.

To check it, remove the bottom rack and locate the filter cover. It is usually a cylindrical or flat piece near the back or center of the tub. Twist it off or lift it out, depending on your model. Rinse it under hot tap water and scrub away any debris with a soft brush. If you see a fine mesh screen, clean it thoroughly. While you are there, check the small sump area underneath for any broken glass, bones, or seeds that might have slipped past the filter.

If the filter was clogged, running a quick rinse cycle should confirm the drain is working again. If not, move on to the next step.

## Inspect the Drain Hose for Kinks or Clogs

The drain hose carries water from the dishwasher to your kitchen sink's drain line or garbage disposal. In Colorado Springs, where homes vary in age and plumbing layout, this hose can become kinked, pinched, or blocked. A kink is common if the dishwasher was recently moved or if the hose is pushed too far behind the unit.

First, look under the sink. You should see a rubber or plastic hose running from the dishwasher to the disposal or a drainpipe. Make sure it is not bent sharply or crushed against the cabinet wall. If it looks straight, disconnect the hose from the disposal or drain line. Place the open end into a bucket and run a short drain cycle. If water flows freely into the bucket, the problem is in your home's plumbing. If no water comes out, the hose itself is likely clogged.

A clogged hose often contains a buildup of grease or food sludge. You can try flushing it with a long brush or a blast of water from a garden hose. If the hose is old or brittle, replacement is usually straightforward and inexpensive.

## Look for a Clogged Air Gap or Garbage Disposal

Many homes in Colorado Springs have an air gap device mounted on the countertop near the sink. It looks like a small chrome or plastic cylinder with a cap. Its job is to prevent dirty water from siphoning back into the dishwasher. If the air gap is clogged, water cannot drain out.

Remove the cap and check inside for debris. You may see a small plastic or metal tube. Use a toothpick or a small brush to clear any gunk. Then, run the dishwasher to see if the water drains.

If your dishwasher drains into a garbage disposal, the disposal itself might be the culprit. Make sure the disposal is empty by running it with cold water for a few seconds. Sometimes a stuck food jam can prevent the dishwasher from draining into it. Also, check that the knockout plug on the disposal's dishwasher inlet has been removed. If you recently installed a new disposal and forgot to remove this plug, the dishwasher will not drain at all.

## Consider the Drain Pump and Float Switch

If the filter, hose, air gap, and disposal all appear fine, the issue may be with the dishwasher's internal components. The drain pump is responsible for pushing water out of the tub. A small object like a piece of glass or a toothpick can jam the pump impeller. Accessing the pump usually requires removing the lower panel and the drain pump cover. If you are comfortable with basic tools, you can check for obstructions.

The float switch is another safety device. It sits in a small cup near the front of the tub and rises as water fills. If it gets stuck in the raised position, the dishwasher may think the tub is full and refuse to drain. Gently press down on the float to see if it moves freely. If it is stuck, a quick cleaning around the float cup might solve the problem.

In Colorado Springs, hard water can also cause mineral deposits to build up on the float mechanism, making it stick. A vinegar rinse cycle can help reduce buildup, but if the switch is damaged, it will need replacement.

## When to Call a Professional in Colorado Springs

If you have checked the filter, hose, air gap, disposal, pump, and float switch, and the dishwasher still will not drain, the problem may be a faulty drain pump motor, a broken control board, or a wiring issue. These repairs require specialized knowledge and tools. Attempting them without experience can lead to further damage or safety risks.

Colorado Springs homeowners also face unique challenges from hard water and older plumbing systems. Mineral scale can form inside drain lines and pump housings, and seasonal temperature changes can affect hose flexibility. A local technician understands these conditions and can diagnose the root cause quickly.

If you are stuck with a dishwasher full of water, do not let it sit and cause odors or potential leaks. Contact Appliance Repair Colorado Springs for prompt, reliable service. Our team knows the local water and plumbing conditions and can get your dishwasher draining properly again.

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