How to Troubleshoot and Fix Your Dehumidifier Not Collecting Water

Check the Air Filter


checking air filter

One of the most basic things you can do is to check the air filter of your dehumidifier. This is crucial since a dirty filter can reduce its efficiency, and in some cases, it can even prevent the unit from collecting water. A filter that is clogged with dirt and debris can obstruct airflow, which in turn, can prevent the dehumidifier from absorbing moisture from the air. If you are experiencing a problem with your dehumidifier, inspect the filter first. It is one of the easiest and quickest fixes.

To check the air filter, you’ll need to turn off the dehumidifier and locate the filter. The filter is typically located behind the front grille or the rear face of the unit. To remove the filter, gently push it inward and lift it out of the dehumidifier. The filter is usually washable, but if it is damaged or worn out, you may need to replace it.

If the air filter is dirty, wash it with warm water and soap. Rinse it thoroughly and allow it to dry completely before you put it back into the unit. Make sure that the filter is properly seated in the filter compartment and that the grille or face is securely closed.

It is recommended that you clean or replace the air filter every three to nine months, depending on usage. If you live in a dusty or high-pollution area, you may need to clean the filter more frequently. A clean filter not only helps your dehumidifier work effectively, but it can also improve the air quality in your home.

Aside from cleaning or replacing the filter, make sure that the dehumidifier is positioned in an appropriate spot. The unit should be at least six inches away from walls and furniture to allow proper air circulation. You should also ensure that the room temperature is above 60 degrees Fahrenheit, as dehumidifiers do not work well in temperatures lower than that.

If you have checked the air filter and it’s clean, and you’ve positioned your dehumidifier properly, but it still won’t collect water, you may need to troubleshoot other possible issues. Some of the other common causes of dehumidifier problems include a malfunctioning humidistat, a faulty compressor, a refrigerant leak, or a broken fan motor.

Always consult the owner’s manual or contact the manufacturer’s customer service department for guidance on troubleshooting and repairing your dehumidifier.

Inspect the Drain Hose


Dehumidifier drain hose

If you have a dehumidifier that’s not collecting water, even when it’s running continuously, then it could be due to a clogged drain hose. When the dehumidifier removes moisture from the air, it transitions to liquid form, which must be collected in the bucket or drained through a hose connection. Sometimes, the drain hose might get clogged by dirt, debris, and minerals that build up in the system over an extended period. The dehumidifier won’t function correctly when the hose is clogged, so it’s essential to inspect and clean it regularly.

The first thing to check is whether the hose is attached correctly to the dehumidifier. Ensure it is secured in the back of the unit and that there aren’t any kinks or bends that might restrict the water flow. This issue is common when you move the dehumidifier from one location to another. The hose might become dislodged from the unit or knocked out of place, resulting in a blocked path for water drainage. Also, check for any leakage or dripping from the connection point; tightening the hose clamp or replacing damaged parts can fix these issues.

If the hose connection is secure, the next step is to examine the length of the hose. If it’s too long, the relative humidity in the room might decrease rapidly, resulting in slower water collection or increased frequency of drainage. Conversely, if the hose is too short, it won’t reach the drain or collection point, and water will spill on the ground. Ensure the hose is long enough to reach the drain and not too long to decrease humidity levels.

If the hose is connected correctly and has the right length, you’ll need to inspect the hose for blockages. A blocked hose can’t drain water effectively, and the dehumidifier won’t function as intended. A good way to check for blockages is to detach the hose from the unit, take it outside, and run water through it to flush out the debris. Watch the water flow at the end of the hose to determine if there are any obstructions. If the water doesn’t flow freely, then you might have to use a plumbing snake or long brush to clear the hose. A pipe cleaner or caustic cleaner can also dissolve mineral blockages and free up clogs, but ensure you rinse them thoroughly and dry them before re-attaching to the unit.

Finally, after cleaning and inspecting the hose, reconnect it to the unit and turn on the dehumidifier. Wait for a few minutes and check if it’s collecting water as expected. If not, then it’s possible that the issue lies with the dehumidifier’s internal components. In this case, it’s best to seek help from a professional technician or the manufacturer’s customer support for recommendations on specific repairs.

Clean the Coils:


cleaning the coils of a dehumidifier

If your dehumidifier is not collecting water, then it could be due to dirty coils that need cleaning. The coils are responsible for removing humidity from the air and turning it into water droplets. Dirt or dust on the coils can hinder their efficiency and prevent the dehumidifier from working effectively.

To clean the coils, start by turning off and unplugging the unit. Locate the coils, which are usually found at the back of the dehumidifier. Gently remove the filter and inspect it for any build-up or damage, cleaning it if necessary. Using a soft-bristled brush or a vacuum cleaner, remove any visible dirt and debris from the coils. Be careful not to brush or vacuum too harshly as this could damage the fins on the coils.

For a more thorough clean, you can use a coil cleaner that can be found at most hardware or home improvement stores. Follow the instructions on the cleaner and use a soft brush to apply it to the coils. Allow the cleaner to sit for a few minutes before wiping it off with a damp cloth. After cleaning, make sure the coils are completely dry before reinserting the filter and plugging in the dehumidifier.

A clean coil will help your dehumidifier work efficiently, but it is important to perform this maintenance task regularly to prevent future issues. Cleaning the coils should be done at least once a year, but if you live in a dusty environment, or your dehumidifier is working overtime, then you may need to clean them more frequently.

Test the Humidistat


Test the Humidistat

If your dehumidifier won’t collect water, the first thing you need to check is the humidistat. The humidistat is a device that measures the humidity level in the air, and it tells the dehumidifier when to turn on and off. If the humidistat is not working properly, the dehumidifier won’t be able to collect water.

The first step in testing the humidistat is to locate it on your dehumidifier. The humidistat is usually located near the front of the dehumidifier, and it looks like a small dial or knob. Once you have located the humidistat, turn it all the way to the left or right. If your dehumidifier starts working when you turn the humidistat, then the problem is with the humidistat itself. If the dehumidifier still doesn’t collect any water, continue with the following steps.

The next step is to test the humidistat with a hygrometer. A hygrometer is a device that measures the humidity level in the air. You can purchase a hygrometer at most hardware stores or online. Begin by turning your dehumidifier on and setting the humidistat to the highest setting. Let the dehumidifier run for about 15 minutes to make sure it’s running properly. Then, turn the humidistat all the way to the lowest setting. Use the hygrometer to measure the humidity level in the air near the dehumidifier. The humidity level should drop significantly when the humidistat is set to the lowest setting. If it doesn’t, then the humidistat is not working properly and needs to be replaced.

If the humidistat is working properly, the next step is to check the ambient temperature and humidity level. Dehumidifiers work best when the ambient temperature is between 65 and 80 degrees Fahrenheit and the humidity level is between 30 and 50 percent. If the ambient temperature is too low or too high, the dehumidifier won’t be able to collect water. Similarly, if the humidity level in the air is already low, the dehumidifier won’t be able to collect much water. If the ambient temperature and humidity level are within the recommended range, and the humidistat is working properly, it’s likely that there is an issue with the dehumidifier’s internal mechanics and it needs to be repaired or replaced.

Overall, testing the humidistat is an essential step in fixing a dehumidifier that won’t collect water. If the humidistat is not working properly, it can be easily replaced. However, if the humidistat is working properly and the dehumidifier is still not collecting water, it’s best to seek professional help to diagnose and fix the problem.

Check for Refrigerant Leaks


Refrigerant Leaks

If your dehumidifier is not collecting water, one possible reason for this could be a refrigerant leak. Refrigerant is the substance that is responsible for cooling the air in your dehumidifier. If there is a leak in the refrigerant system, then the dehumidifier may be unable to cool the air, which would make it difficult for the machine to remove moisture from the air. Checking for a refrigerant leak is not very difficult, but it requires a bit of knowledge and some specialized equipment.

The first thing you should do is to unplug the dehumidifier from the power source. Next, remove the front cover or the grille to access the refrigerant coils. The refrigerant coils are usually located behind the grille or the cover. You can use a screwdriver to remove the screws that hold the cover or grille in place. Once you have removed the cover or grille, you should be able to see the refrigerant coils.

You should inspect the coils for any signs of damage or corrosion. If the coils are damaged or corroded, then they may need to be replaced. If there are no visible signs of damage, then you should use a refrigerant leak detector to check for any leaks in the system. A refrigerant leak detector is a device that can detect the presence of refrigerant in the air. You can purchase a refrigerant leak detector at most hardware stores.

Once you have the refrigerant leak detector, you should turn it on and hold it near the refrigerant coils. If there is a leak in the system, then the detector will beep or flash to indicate the presence of refrigerant. If the detector does not detect any leaks, then you can assume that there are no leaks in the refrigerant system.

If you have determined that there is a refrigerant leak, then you should take your dehumidifier to a professional for repair. Refrigerant leaks can be dangerous and should only be fixed by a trained technician. Attempting to repair a refrigerant leak yourself could result in injury or death. It is always best to leave refrigerant leak repair to the professionals.

Checking for refrigerant leaks is an important part of maintaining your dehumidifier. If you suspect that there is a problem with your dehumidifier, always remember to unplug it before attempting any repairs. Taking care of your dehumidifier can prolong its lifespan and keep it functioning properly for years to come.

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