Introduction

Understanding how to fix a dehumidifier can save you time and money. When your dehumidifier stops working, it can cause discomfort and potential damage due to excessive humidity. This guide provides step-by-step advice to diagnose and fix common problems.

First, we’ll cover basic troubleshooting steps that can resolve minor issues. Then, we’ll delve into cleaning and maintaining your dehumidifier to ensure it operates efficiently. We’ll follow that by inspecting key components and addressing common issues. Finally, you’ll learn when it’s best to call a professional. Let’s get started!

how to fix a dehumidifier

Basic Troubleshooting Steps

Before diving into more complex fixes, start with these basic troubleshooting steps:

  1. Check the Power Supply: Ensure the dehumidifier is plugged in and the outlet is functional. Sometimes a simple unplugging and replugging can reset the unit.
  2. Adjust Settings: Verify that the humidistat is set correctly. It should be set lower than the current room humidity.
  3. Empty the Water Bucket: If the water bucket is full, the dehumidifier may automatically shut off. Empty it and see if the unit starts working again.
  4. Reset the Dehumidifier: Some models have a reset button. Refer to your user manual for specific reset instructions.

These steps can solve many common problems. If your dehumidifier still isn’t working, proceed to cleaning and maintaining it.

Cleaning and Maintenance

Regular cleaning and maintenance can prevent many issues from developing and ensure your dehumidifier runs smoothly.

Cleaning the Water Bucket

  1. Remove the Bucket: Carefully pull out the water bucket from the unit.
  2. Empty and Rinse: Empty any collected water and rinse the bucket with warm, soapy water to remove any buildup.
  3. Dry Thoroughly: Allow the bucket to dry completely before reinserting it back into the dehumidifier.

Cleaning the Filter

  1. Locate the Filter: Find the air filter, usually located behind the front grill.
  2. Remove and Clean: Remove the filter and clean it with a vacuum or wash it with mild soap and water if it’s washable. Ensure it is completely dry before reinstalling.

Cleaning the Coils

  1. Access the Coils: Remove the cover of the dehumidifier to expose the coils.
  2. Vacuum Dust: Gently vacuum any dust or use a soft brush to clean the coils.
  3. Wipe with a Cloth: For more stubborn dirt, dampen a soft cloth with mild, soapy water and wipe the coils.

Maintaining a clean dehumidifier is crucial for its efficiency and longevity. If cleaning doesn’t resolve the issue, inspect key components for problems.

Inspecting Key Components

Examining the internal components of the dehumidifier can help identify specific problems that need fixing.

Checking the Humidistat

  1. Test the Settings: Adjust the humidistat settings and listen for the dehumidifier to turn on or off. It should respond to changes in humidity levels.
  2. Use a Multimeter: If the dehumidifier doesn’t respond, use a multimeter to test if the humidistat is functioning properly. Replace it if necessary.

Inspecting the Fan

  1. Listen for Noise: A malfunctioning fan often makes unusual sounds.
  2. Check for Obstructions: Turn off the unit and inspect the fan blades for obstructions or debris. Clean as needed.
  3. Test the Motor: If the fan isn’t working, the motor might need testing or replacement.

Examining the Condenser Coils

  1. Inspect the Coils: Look for frost or ice build-up on the coils. This can indicate a problem with the defrost cycle.
  2. Test for Continuity: Use a multimeter to check for continuity in the condenser. Lack of continuity could mean the coils are faulty.

By carefully inspecting these components, you can pinpoint specific issues. Now, let’s address how to fix common dehumidifier problems.

Fixing Common Issues

Here’s how to tackle some of the most common problems with dehumidifiers:

Dehumidifier Not Collecting Water

  1. Check Settings: Ensure the humidistat is set to a lower humidity level than the current room level.
  2. Clean the Filter: If the filter is dirty, airflow may be restricted, preventing water collection.
  3. Inspect for Refrigerant Leaks: A lack of refrigerant can cause this issue. If you suspect a leak, it’s time to call a professional.

Dehumidifier Leaking

  1. Check the Water Bucket: Ensure the bucket is properly positioned and not cracked.
  2. Inspect the Hose: If using a hose for continuous drainage, check for blockages or kinks and ensure it’s properly connected.

Dehumidifier Making Noise

  1. Check for Obstructions: Inspect the fan and surrounding areas for debris.
  2. Tighten Loose Parts: Noise can result from loose components inside the unit. Tighten any loose screws or parts.
  3. Replace the Fan Motor: If the noise persists, the fan motor may need to be replaced.

If these fixes don’t resolve the problem, professional help may be needed.

When to Call a Professional

While many dehumidifier issues can be addressed at home, some problems require professional expertise:

  1. Electrical Issues: If the dehumidifier won’t turn on, there might be a severe electrical problem that needs a qualified technician.
  2. Refrigerant Leaks: Handling refrigerants requires special skills and certification.
  3. Complex Mechanical Problems: If fan motors or compressors need replacement, it’s best handled by a pro.

Calling a professional ensures that your dehumidifier is fixed safely and correctly.

Conclusion

Fixing a dehumidifier doesn’t have to be daunting. By following the steps in this guide, you can troubleshoot, clean, and maintain your unit effectively. When faced with complex or unsafe issues, don’t hesitate to call a professional. Regular maintenance and timely interventions can keep your dehumidifier running efficiently for years.

Frequently Asked Questions

Why is my dehumidifier not turning on?

Check the power supply, ensure the unit is plugged in, and verify the outlet is working. Also, examine the power cord for damages.

How often should I clean my dehumidifier?

Clean the water bucket and filter every two weeks. Wipe down the coils and check for obstructions monthly.

Can I fix a refrigerant leak myself?

No, fixing refrigerant leaks requires specialized equipment and knowledge. It’s best handled by a certified professional.