How to Remove Standing Water From a Dishwasher: A Comprehensive Guide
*Quickly and safely removing standing water from a dishwasher involves identifying the cause, clearing blockages in the drain system, and ensuring proper functionality of the drain pump; this guide provides a step-by-step approach to help you troubleshoot and resolve the issue, preventing potential damage and *unpleasant odors.
Introduction: The Case of the Stubborn Puddle
A pool of water stubbornly lingering at the bottom of your dishwasher after a cycle is a common, yet frustrating, household problem. It signals that something is amiss with the appliance’s ability to properly drain, and ignoring it can lead to bigger issues. Ignoring standing water can lead to mold growth, unpleasant smells, and even damage to the dishwasher itself. This guide provides a clear roadmap to identify the cause of the problem and implement practical solutions, empowering you to restore your dishwasher’s efficient operation.
Why Standing Water Occurs: Common Culprits
Before diving into the solutions, understanding the root causes of standing water is crucial. Several factors can contribute to this problem, each requiring a specific approach to resolve. Here are the most common reasons:
Clogged Drain Filter: This is the most frequent offender. Food particles, debris, and even small objects can accumulate in the filter, restricting water flow.
Blocked Drain Hose: The drain hose connects the dishwasher to the drain line under the sink. Kinks, twists, or blockages within the hose itself can prevent proper drainage.
Air Gap Issues: An air gap (if your dishwasher has one) prevents backflow of dirty water into the dishwasher. A clogged air gap can hinder drainage.
Malfunctioning Drain Pump: The drain pump is responsible for actively pumping the water out of the dishwasher. A faulty pump may lack the power to effectively remove the water.
Clogged Sink Drain: If the sink drain itself is blocked, the dishwasher may struggle to drain because it shares the same drainage system.
High Loop Installation Issues: If the drain hose doesn’t loop up high enough, water can siphon back into the dishwasher.
Step-by-Step Guide to Removing Standing Water
Removing standing water from your dishwasher involves a methodical approach. Follow these steps to diagnose and resolve the problem:
Safety First: Disconnect the dishwasher from its power source before proceeding. This prevents accidental electric shock. Locate the circuit breaker controlling the dishwasher and switch it off.
Bail Out the Initial Water: Use a cup, sponge, or small wet/dry vacuum to remove as much standing water as possible. This will give you a clearer view of the drain area.
Inspect and Clean the Drain Filter: The drain filter is typically located at the bottom of the dishwasher. Remove it (consult your dishwasher’s manual for the exact location and removal instructions). Rinse it thoroughly under running water, removing any visible debris. Use a soft brush to scrub away stubborn buildup.
Check the Drain Impeller: With the filter removed, you should be able to see the drain impeller. Make sure it rotates freely and isn’t blocked by any large debris. If necessary, carefully remove any obstructions.
Inspect the Drain Hose: Disconnect the drain hose from both the dishwasher and the drainpipe under the sink. Examine it for kinks, twists, or clogs. You can try flushing the hose with water to dislodge any blockages. If the hose is severely damaged or clogged, replace it.
Clean the Air Gap (If Applicable): If your dishwasher is equipped with an air gap, disassemble it and clean out any debris that may be clogging it.
Check the Sink Drain: Run water into the sink to ensure it drains freely. If the sink drain is clogged, clear it using a plunger or drain cleaner before attempting to run the dishwasher again.
Reassemble and Test: Once you’ve addressed all potential causes, reassemble all components, reconnect the drain hose, and restore power to the dishwasher. Run a short rinse cycle to test the drainage.
Troubleshooting the Drain Pump
If the above steps fail to resolve the issue, the drain pump may be the culprit. This is a more complex repair that may require professional assistance. However, here’s a basic troubleshooting step:
Locate the Drain Pump: The drain pump is typically located at the bottom of the dishwasher, near the motor. Consult your dishwasher’s service manual for the exact location.
Inspect the Pump for Obstructions: Sometimes, small objects can become lodged in the drain pump, preventing it from functioning properly. Carefully inspect the pump for any visible obstructions and remove them.
Listen for the Pump During a Cycle: Start a rinse cycle and listen carefully for the drain pump. If you don’t hear it running, the pump may be faulty and need to be replaced. This often indicates a dead pump motor.
Preventative Measures: Keeping Your Dishwasher Drain Clear
Prevention is always better than cure. Follow these tips to minimize the risk of standing water issues in your dishwasher:
- Scrape Plates Thoroughly: Remove as much food debris as possible from plates and dishes before loading them into the dishwasher.
- Clean the Drain Filter Regularly: Clean the drain filter at least once a month, or more frequently if you notice a buildup of debris.
- Run Hot Water Before Starting: Before running the dishwasher, run hot water in the sink for a few minutes to clear any potential blockages in the drain line.
- Avoid Overloading: Overloading the dishwasher can prevent proper cleaning and increase the likelihood of food particles reaching the drain filter.
Common Mistakes to Avoid
- Ignoring the Problem: Delaying addressing the issue can lead to more serious problems, such as mold growth and appliance damage.
- Using Harsh Chemicals: Avoid using harsh chemicals or drain cleaners in the dishwasher, as they can damage the internal components.
- Forcing Components: Be gentle when disassembling and reassembling dishwasher components. Forcing them can cause damage.
- Neglecting the User Manual: Your dishwasher’s user manual contains valuable information about troubleshooting and maintenance. Consult it for specific instructions.
Helpful Tools for the Job
- Screwdrivers: Various sizes and types to remove panels and components.
- Pliers: For gripping and manipulating parts.
- Wet/Dry Vacuum: To remove standing water quickly.
- Flashlight: To illuminate hard-to-see areas.
- Gloves: To protect your hands.
- Small Brush: For cleaning the drain filter.
Frequently Asked Questions (FAQs)
Why is there standing water in my new dishwasher?
New dishwashers sometimes have standing water due to manufacturing testing. However, it’s still crucial to check the drain hose for kinks or improper installation. Ensure the knockout plug on the garbage disposal (if connected) has been removed.
How often should I clean my dishwasher filter?
Cleaning your dishwasher filter monthly is generally recommended. However, if you frequently load heavily soiled dishes, cleaning it every two weeks may be necessary.
Can I use vinegar to clean a clogged dishwasher drain?
Yes, vinegar can help dissolve mild clogs. Pour a cup of vinegar into the dishwasher, and run a hot water cycle. Avoid using vinegar with other cleaning agents like bleach, as this creates harmful fumes. Vinegar is a natural disinfectant and deodorizer too.
What if my dishwasher still has standing water after cleaning the filter?
If the filter is clean and the problem persists, inspect the drain hose for kinks or blockages. Also, check the air gap (if present) and the sink drain for any obstructions. A faulty drain pump is the next most likely culprit.
How do I know if my dishwasher drain pump is bad?
Signs of a bad drain pump include a humming sound without water draining, a lack of any sound from the pump during the drain cycle, or visible signs of damage to the pump.
Is it safe to use my dishwasher with standing water?
No, it’s generally not safe. Standing water can harbor bacteria and lead to unpleasant odors. Additionally, it puts extra strain on the appliance, potentially causing further damage.
Can I fix a dishwasher drain pump myself?
Replacing a dishwasher drain pump is possible for DIYers with moderate experience. However, it requires disassembling the dishwasher and understanding basic electrical connections. If you are uncomfortable with this, it’s best to hire a professional.
What does an air gap do for a dishwasher?
An air gap prevents contaminated water from flowing back into the dishwasher from the sink drain, ensuring the cleanliness of your dishes.
What if my drain hose is frozen?
If your drain hose is frozen, avoid using the dishwasher until it thaws. You can try gently warming the area around the hose with a hairdryer (on a low setting) or wrapping it in warm towels.
Why does my dishwasher only sometimes have standing water?
Intermittent standing water suggests a partial blockage or a drain pump that is starting to fail. These components work sometimes, but other times, they don’t work. It’s best to address the problem promptly before it worsens.
How much does it cost to have a professional fix a dishwasher with standing water?
The cost varies depending on the problem. Clearing a clogged drain might cost around $75-$150, while replacing a drain pump could range from $150-$350, including parts and labor. Get an estimate from a qualified technician.
Can a clogged garbage disposal cause standing water in my dishwasher?
Yes, a clogged garbage disposal can impede the dishwasher’s drainage, especially if the dishwasher drain hose is connected to it. Ensure the disposal is clear and functioning properly.