The problem is probably due to dirty or clogged coils. Cleaning the coils to a dehumidifier is similar to cleaning the coils on an air conditioner. It really depends on how dirty the coils are. If it is not too dirty you can use a shop vacuum with a brush attachment. If it is really dirty you will have to use a non acidic hvac coil cleaner or you can use a household cleaner like Simple Green that has been diluted 1:1 with water and placed in a spray bottle. Spray the solution on and let it sit for 5-10 minutes. Make sure you unplug the unit before doing anything. If you use Simple Green make sure you spray it down with clean water. If you use an hvac type coil cleaner some do not require rinsing. Follow the directions on the product exactly. You might have to use a brush or even a putty knife if the coil is totally clogged. Be careful you do not damage the coil. Good luck!
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A dehumidifier works just the way an air conditioner works
but in a reverse manner. If you encounter a problem with your
dehumidifier then it would be repaired the same way you would repair an
air conditioner. As such a dehumidifier does not require much cleaning
apart from changing the filter.
When the filter and coils of the dehumidifier are choked with dirt,
it may not pull out moisture from the air properly. The efficiency of
the dehumidifier gets decreased and the only solution is, to clean it
thoroughly. In order to assist you with the cleaning procedure of a
dehumidifier, following are a few tips:
Remove the water tank/container and clean it after
draining the water. Depending on the usage the container must be
Cleaning or changing the filter is also important for the main function
of ensuring a healthy atmosphere is performed by the filter. Mix some
bleach with warm soapy and clean the filter. It will help to get rid of
the bacteria, molds and mildew.
Use a vacuum cleaner to clean the evaporative coil/hot coil. Scrub off
the dirt using a brush but make sure that you don’t bend the fins while
Clean the condenser or the cold coil the same way. If the humidifier is
working in a room where the temperature is below 60 degrees Fahrenheit
then check the coils whether it is not icing up.
See to it whether the fins are bent or not, if they are bent then
straighten them out using a fin comb otherwise it might obstruct the
effective working of the dehumidifier.
And yes do not forget to clean the fan blades and other parts of the dehumidifier.
Keeping in mind the humidity level of your room, sets the humidistat of
the dehumidifier as keeping it too low or too high may only make the
dehumidifier to run longer than necessary.
Also before you start with the work of cleaning the dehumidifier, make sure that it has been unplugged.
First, make sure the humidistat isn't set too high by adjusting it to
the lowest humidity setting and running it again. Next, test the
dehumidifier by placing it in a closed bathroom with a hot shower
running. If you don't see water collecting in the unit after several
minutes, turn the unit off and clean all dehumidifier filters and
coils. If, after adjusting the settings and cleaning the unit, you
still don't see water collecting, you may have a refrigeration issue.
This situation will have to be addressed by a qualified technician.
There are three things that must be working to extract water. The 'coil' (a finned metal part that allows air passage) if it's filled with dust and obstructions, no air can move...no water. There is a blower motor that mus move the air. If it is seized up an not blowing air...very little or no water. The compressor uses condensation from the air moving across its coils (like the moisture than forms on a cold glass on a humid day) to extract the water from the air. If it's not working then no water. So, if there is air blowing out of the dehumidifier the blower is working. If the air is room temp the compressor is not working. If it's real hot air, and the humidifier keeps cycling on and off quickly, the coil is dirty. Those are the 3 things that need to be working.
You need to determine what's "running". Here's why: There are three things that must be working to extract water. The
'coil' (a finned metal part that needs air to flow across its surface) may be filled
with dust and obstructions, so no air can move...then no water. There is a
blower motor that must move the air. If it is seized up and not blowing
air...very little or no water. The compressor creates condensation from
air moving across the coil (like the moisture than forms on an ice filled
glass on a humid day) to extract the water from the air. If it's not
working then no water. So, if there is air blowing out of the dehumidifier the blower is working. If the air is room temp the compressor is not
working. If it's real hot air, and the humidifier keeps cycling on and
off quickly, the coil is dirty. Those are the 3 things that need to be