Moreover, it will also help you understand the cause of the issue sooner. So you can clean or replace the part accordingly. Tip: If you see ice formulating on your humidifier, we suggest you give it some time to defrost and stop using it for a while. Further use may damage the already frozen coils. Moreover, it may also cause the compressor and motor to over function and burn out. Dirt can accumulate on the filter leading to airflow blockage. Regular cleaning can prevent this issue from occurring.
Alternatively, if your dehumidifier has a de-icer switch, we suggest checking it too. Most basement dehumidifiers have de-icers to defrost the ice that forms on it. However, a faulty de-icer switch may cause trouble as there is nothing to melt the ice. If you find any of these signs, we suggest your unplug your appliance and check to see if there are any complications:.
In fact, we have some tips that can help you fix it. Moreover, now that you know your dehumidifier works and what may cause it to freeze up, it will be easier for you to understand the repairing process. The blower wheel and the fan blade are responsible for managing the airflow and stopping your appliance from freezing up.
We suggest cleaning the filter as dirt and debris tends to build-up on it. There are a number of different factors which can lead to your dehumidifier icing up:. The dehumidifier is running to remove the moisture from the air in your home. When you increase the room temperature, you are increasing the amount of water vapor that can be stored in a given volume of air.
This results in more moisture being released by your dehumidifier and lower relative humidity in your home. In other words, as the room temperature rises, your dehumidifier is able to remove less moisture from the air and consequently there is more water vapor left for it to freeze! When the dehumidifier begins freezing up, it is a clear sign that something has changed. If you notice ice building up on your dehumidifier coils, check to see whether the air flow has decreased or increased.
This will affect how much water vapor can exit the dehumidifier and cause it to freeze. When this happens, the dehumidifier will have to work harder to remove moisture from the air because of less effective air flow. This causes it to freeze up. If not, everyone in your family could end up getting sick from breathing this moist air.
When the air filter gets clogged up with dust and other debris, it stops doing its job of keeping large particles out of the air stream. This increases inlet resistance to your dehumidifier and causes it to work harder. When you clean your dehumidifier air filter, the system will operate more efficiently once again. If your dehumidifier has become damaged or faulty in any way, there may be something mechanically wrong with it. This can cause it to work excessively hard and throw off the balance of airflow.
If this happens, your dehumidifier could freeze up or even blow a fuse! You may need to call in a professional repairman if you notice that your unit has stopped working for any reason.
When the room temperature falls too low, condensation can form on the condenser coils and freeze them. If the humidity control sensor has become clogged by dust or damaged in any way, it will prevent your dehumidifier from accurately measuring levels of moisture in the air.
When you notice that your dehumidifier is icing up, check the humidity detector to see if there are any abnormalities. If your dehumidifier starts icing up, it is possible that the bi-metal thermostat has been damaged. When you notice ice building up on your coil or freezing around vents, check whether the temperature dial is in the off position.
You could try turning it off for a few minutes and then turning it back on again. If your dehumidifier begins icing up, check the condenser coils to see whether they have become clogged with dust.
If the evaporator is not getting cold at all when the compressor is running , that is a sign of being totally out or refrigerant or of a faulty compressor. Compressor not running If the compressor totally fails to run, no cooling and hence no sweating nor frosting of the evaporator coil can take place. Power to the compressor would have to be traced to see where the stoppage was.
All rights reserved. Appliance Sponsored in part by Overnight or Rapid Shipping available to your home or office! Appliance Sponsored in part by. And finally, give the coils a good clean. They might not be working correctly if they are dirty and this could lead to icing. Some dehumidifiers are built to withstand lower temperatures so if you know you are going to be placing it in a room where it will be colder such as a basement or outbuilding it is worth investing in a unit which will cope better with lower temperatures.
Kenmore and Frigidaire are two great brands that offer quality models that can help. By going with a trusted brand you can purchase with a bit of ease of mind and know that you have a strong warranty to back it up if anything goes wrong.
Or if you only have a small space you want to reduce humidity in, then a desiccant dehumidifier might do the trick. These work by drawing moisture from the air using a synthetic material like silica gel. They are free from moving parts so will not face the same problems as a mechanical unit. However, these units need replacing more regularly and will not be as powerful as a permanent dehumidifier.
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