Dehumidifier Not Working? Here’s How to Fix It

The homeowner’s problems with their dehumidifier not working can become stressful. However, all may not be lost. There are several simple things anyone can check that could have the appliance working again in no time.

Firstly, it’s important to ensure the humidity setting is correct. Many dehumidifiers will not turn on if the desired humidity level is higher than what is currently being measured in the room. Experts recommend double checking this, as adjusting it downward may do the trick.

Other things to consider include checking for any obstructions or blockages, verifying adequate power and airflow, and inspecting for issues like a broken compressor. Don’t get discouraged too quickly – dehumidifiers are made to be an easy solution to moisture problems, so keeping a calm approach can often reveal easy fixes.

Continue reading below for more specific tips on troubleshooting a dehumidifier that may not be working properly. A little DIY investigative work could have things running smoothly again in no time.

Key Takeaway

1. Check that the unit is set to a humidity level below the current reading – many won’t turn on if set too high.
2. Staying on top of routine maintenance like cleaning filters can help catch small problems before they get worse.
3. A full water bucket could be the culprit – make sure it’s emptied and slotted in correctly to allow drainage.

Common Reasons a Dehumidifier Might Not Work

Credits : Frigidaire

Here are a few common reasons why a dehumidifier may not be working properly:

1. Humidity settings are off – Don’t panic if your unit seems lazy. Many homeowners miss that the humidity level needs to be set below the current room level for the machine to turn on. Take a moment to double check your target setting.
2. Problem with the humidistat – This small but important part lets the dehumidifier know when to run. If it’s not reading correctly, the unit won’t know to start up. Try a separate hygrometer and adjust or repair the humidistat if needed (1).
3. Room is too cool – When temps dip below around 15°C, moisture can freeze parts inside. Give it a warmer place to work ideally above 18°C. Near windows on chilly days isn’t comfortable for a dehumidifier. A space heater first might do the trick.

Simple checks like these often uncover easy fixes to have your dehumidifier back in working order. With a little care and maintenance, it can reliably help make humid spaces comfortable for many more seasons.

Troubleshooting Steps to Get Your Dehumidifier Running

Here are some effective troubleshooting steps to try when a dehumidifier isn’t working properly:

• Check the Settings: The first step is ensuring settings like humidity levels are correct. Adjusting these could be the quick fix needed. To ensure accuracy, it’s helpful to use a reliable humidity meter like the ThermoPro TP49 Digital Hygrometer Indoor. This compact device provides precise readings of both humidity and temperature, allowing you to verify that your dehumidifier is set correctly. The fast refresh rate ensures you’re getting real-time data, helping troubleshoot any issues with the dehumidifier’s settings.
• Examine the Air Filter: A dirty or clogged filter prevents proper airflow. Check the filter regularly and clean or replace it as recommended. Maintaining a clear filter keeps performance from declining.
• Inspect the Water Bucket: A common oversight is an overfull bucket, as it’ll shut the unit down automatically. Be sure to empty this container regularly as part of routine maintenance. Additionally, if your dehumidifier isn’t detecting water levels properly, the issue could be with the float device. A faulty float may prevent the bucket from triggering the unit to turn off when full. Replacing the float device with the Supplying Demand WK11X10007 3031237 Dehumidifier Water Bucket Float Device can resolve this. This replacement part is designed to regulate water levels effectively, and it’s easy to install. Be sure to disconnect power and water supplies before installation for safety. Compatible with major brands, it ensures the unit operates efficiently by accurately monitoring water levels.

Simple troubleshooting steps like these can often get your dehumidifier back in action quickly. Regular maintenance and replacing key components like the float device when necessary keep your unit running smoothly (2).

Common Issues That Stop Dehumidifiers

Here are a few issues that could cause a dehumidifier to stop working:

• Iced Up Coils – When coils freeze due to low temperatures or high humidity, it prevents air circulation. Look for signs of ice buildup and allow the unit to thaw fully before running it again. Adjusting room conditions can prevent recurrence.
• Electrical Problems – Faulty wiring, damaged cords, or board issues can cut power to vital components. Monitoring your dehumidifier’s power consumption with the Refoss Smart Plug with Energy Monitoring can help identify electrical problems early. If the plug shows that the unit is drawing power but not running efficiently, this may indicate internal electrical issues that require further inspection or a service call. The smart plug can also help by disconnecting the dehumidifier automatically during power surges or when in standby mode, protecting the appliance from damage.
• Poorly Sized Unit – An undersized dehumidifier will struggle to lower humidity as intended. Be sure the model specifications match the space it’s used in. For large rooms, selecting one with greater capacity is recommended. The Refoss Smart Plug can help track the energy usage of your dehumidifier, giving you insights into whether it’s working harder than necessary, which might indicate the unit is too small for the room.

Knowing these potential roadblocks and using tools like the Refoss Smart Plug to monitor your dehumidifier’s performance helps pinpoint solutions more effectively. Contact your nearest appliance service center with any ongoing issues, and ensure proper sizing and regular care for smooth, reliable operation.

Important Questions to Consider

Here are a few important questions homeowners may have if their dehumidifier isn’t working as intended:

1. Why isn’t it collecting water? Causes could be a full bucket or issues like a faulty float switch. Check the bucket placement before inspecting other components.
2. How can I troubleshoot it running but not lowering humidity? It may be too small for the space – compare specs. The humidistat could also need adjusting or replacing if readings don’t match a separate gauge.
3. Can a dirty filter cause problems? Absolutely. A clogged filter hampers air flow over time. Inspect it monthly, especially during heavy use seasons. Cleaning or swapping it out when soiled helps the unit perform efficiently.

Addressing factors like these helps uncover the root of performance issues. Please let me know if any other questions come up! Proper maintenance and occasional checks are key to keeping dehumidifiers running reliably.

Maintenance Practices for a Working Dehumidifier

Following good maintenance practices is key to keeping a dehumidifier running well. Here are a few tips:

• Regular Cleaning – Wipe down the basin and rinse filters frequently to prevent grime buildup. Dehumidifiers work more efficiently when parts are kept clean. For those using the Tenergy Sorbi DH02, replacing the HEPA filter is crucial. The Tenergy 3 Pack Replacement H13 HEPA Filter captures particles as small as 0.3 microns, improving air quality by trapping allergens and pollutants. It’s recommended to replace the filter every six months or when the power light turns orange to ensure optimal performance.
• Monthly Checks – Be sure to empty the water bucket and inspect filters and components monthly. For models like the Sorbi DH02, a quick inspection of the HEPA filter will help maintain efficiency and air purity. Catching small issues promptly helps ensure reliable performance.
• Monitor Temperatures – Dehumidifiers operate best above around 18°C. Check room temps and avoid drafty spots so humidity is controlled smoothly (3).

Simple habits like cleaning during seasonal use and quick monthly checks go a long way. Catching any potential concerns early solves problems fast. By regularly maintaining parts like filters with reliable options such as the Tenergy H13 HEPA filters, homeowners can enjoy balanced indoor comfort and improved air quality with minimal upkeep.

FAQ

Why isn’t my dehumidifier collecting water even when the humidity in the air is high?

Several issues could prevent proper water collection. First, check if the air flow is blocked or if the fan motor isn’t working. The evaporator coil might be frozen, stopping the unit from pulling moisture from the air. Also, make sure the compressor is running – you should hear a humming sound. If your dehumidifier isn’t working properly, these parts might need attention.

Why does my dehumidifier keep shutting off before the collection bucket is full?

Your dehumidifier might shut off early due to a faulty float assembly or bucket level switch. The electronic control board could be misreading the water level in the collection tank. Sometimes, dirty electrical contacts can trigger the auto shut off incorrectly. Try cleaning the bucket and checking the level switch for proper operation.

What should I do when my dehumidifier’s coils are frozen?

Frozen coils often happen when the refrigerant fluid isn’t flowing correctly or when the room is too cold (below 65 degrees Fahrenheit). Unplug the unit and let it thaw completely. Check if the compressor circuit and fan blade are working properly. The evaporator coils need good air circulation to prevent freezing.

How can I set up continuous drainage instead of using the water tank?

You’ll need to locate the drain plug and attach a drain hose or drain tube. Make sure the dehumidifier system is positioned so the water can flow downward through continuous drainage. Remove the reservoir tank and ensure the drain hose is securely connected to prevent leaks.

My dehumidifier isn’t maintaining the right relative humidity level – what’s wrong?

Start your repair by checking the humidity sensor and electronic control board or PCB. The control board manages the compressor and fan motor circuits to maintain proper relative humidity. If these components aren’t working together, your dehumidifier won’t effectively control moisture levels.

Additional questions using remaining keywords:

Why should I regularly maintain my dehumidifier?

With proper care, you’ll avoid common dehumidifier problems and keep it energy efficient. Regular cleaning of the air purifiers and components gives you a good chance of preventing a broken dehumidifier.

How do I know if my dehumidifier needs professional repair?

If your dehumidifier condenser isn’t working, you might need repair parts. Look up your model or part number before getting a free estimate. Some Canadian sites offer DIY guides for simple fixes.

What’s the best way to clean my dehumidifier?

Start by unplugging the dehumidifier and removing the water collection bucket. Clean all components, including the air compressor area and any filters. Different dehumidifier models have varying maintenance needs.

How do I know if my dehumidifier’s compressor is broken?

The compressor dehumidifiers use should make a steady humming sound. If you hear unusual noises or the unit isn’t collecting water, the compressor and fan motor might need checking.

When should I start troubleshooting my dehumidifier?

Begin dehumidifier troubleshooting when you notice it’s not working normally. Common signs include poor water collection, unusual noises from the electronic control board or PCB, or if it won’t turn on at all.

Conclusion

If a dehumidifier suddenly stops working, it can be frustrating not knowing why. However, with some simple checks, the problem may easily be fixed.

First, ensure the humidity setting is correct. Many units won’t turn on if set above the current level. Check the filter too – is it clean or does it need replacing? Also empty any full water bucket, as the dehumidifier will shut off when full.

Proper maintenance keeps dehumidifiers running smoothly. Check the filters monthly and empty the bucket regularly. Monitoring the humidity helps adjust the unit as needed. Following these quick tips can often identify issues without much trouble. With a little TLC, dehumidifiers provide reliable service at keeping rooms dry.

References

1. https://www.express.co.uk/life-style/property/1713250/dehumidifier-mistakes-to-avoid-exclusive
2. https://www.mirror.co.uk/news/uk-news/heating-experts-urgent-warning-dehumidifier-32228243
3. https://theconversation.com/thinking-of-buying-a-dehumidifier-advice-from-an-expert-on-mould-and-damp-178633

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