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Re: ebac 880 E
The following statement is a parameter for all dehumidifiers and some of the control issues may vary, but the theory is the same.
Most dehumidifiers have a "Frost Guard" mounted on the condensor coil. If frost accumulates on the condensor coil the frost guard turns the compressor off until the frost melts, then comes back on again. For the dehumidifier to work properly, the surrounding (ambient), temperature must be higher than 65 degress. This temperature allows the moisture in the air to condense on the coils and drip into the reservoir without freezing up on the condensor coil. Also, if the humidity is too low, (below 45%), the same condition will occur. So it will help to keep the parameters in mind when you have this issue. If your model does not employ a "Frost-Guard" the condition you describe will avail itself when the above parameters are not met.
Simply unplug, or turn off the unit, until the above parameters are met or exceeded.
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What is the specific problem? Is no water being collected by the dehumidifier or do you have another issue?
Make sure that the dehumidifier is in a room in the operating temperature range (at or above 44 degrees F). Make sure that the room door and windows are closed and that the room is not larger than 2200 square feet. Make sure that the collection bucket not full and is properly seated in the dehumidifier. Check and clean the air filter on the dehumidifier. (Vacuum the filter or rinse under running water three times. Then wait until dry to replace it in the dehumidifier.) Look at the coils of the dehumidifier. If you have ice on the coils, defrost the unit (turn off, unplug and wait for it to melt). If the ice reforms quickly, you may have a leak in the coolant system. Then the unit needs repair.
Next make sure that you have good air flow around the dehumidifier and that the desired humidity set point is lower than the humidity of the room.
A dehumidifer needs to create a COLD surface, on which to condense the moisture in the room. If your room is quite cool, it is esily possible that the COLD surface can go below freezing-- Now the water is trapped in the ice-- So-- it has to defrost, to melt off the ice, and start all over again!
Can you move the Dehumidifier to a warmer spot-- maybe near a radiator, or a heat register? -- You will remove much more moisture in that way, too..
Just a question: Most homes are WAY TO DRY during the winter months-- are you sure you need to dehumidify your living area? (Maybe you are drying the basement?-- or a wet area?)
sounds like the system is low on gas, in which case there is a leak. could also be a partial restriction in the narrowest part of the refrigeration circuirt called the capillary. either find and repair leak, recharge system, or replace capillary.
I have a Comfortaire BHD501 dehumidifier. A couple weeks ago I noticed ice building up on top of the unit,so I unplugged it to defrost. I plugged it back in and it worked until I noticed the "CH" "01" code. It would run a few seconds then shut off with that code showing. I took off the front of the unit and noticed rust on some of the metal parts. Then I took the cover off the circuit board for the front read out. I noticed corrosion on some of the solder points. When I looked closer at the plastic cover for the circuit board I noticed a small burn mark. The water from the melting ice must have run behind the cover and shorted out the circuitboard. At this point I don't know if new boards are available.
typically happens when there is a lot of dust in air. Try cleaning it VERY well, which would mean, shutting it for a few days, letting it melt and dry off, then not only vacuuming it, but then take an air gun (or Air in a can) and get the dust off the coils. Obviously if there is a filter clean it, or replace it.
Check for bent fins on the coil. Most of the newer ones (and yours should as well) have an auto defrost to help with that.
Unless equipped with special equipment most dehumidifiers will produce little if any water under 65-70 degrees. Many state operation down to 50-60 degrees but this was under lab conditions and therefore a marketing tool. The best performance is gained when the air temperature is above 70 degrees. The water you are finding is from melting frost, if you have a humidity problem you should be adding heat to the area to be dried, warm air holds much more moisture than cold and drying is much more effective if you can heat the area to around 80 degrees.
Depending on the location of the icing up unit, it may be in an area of your basement that's a bit too cool. These units are notorious for icing up under such conditions.
First, "defrost" the iced up unit completely using a hair dryer. Then swap its location with the other unit which is functioning normally. If that resolves the problem, then it was caused by the above "too cool" scenario.
If not, then it's likely that the thermal control which periodically heats up the coils in order to melt off the accumulated frost/ice and drain it has failed. Repair could be costly, and you're probably better off replacing the unit with a new one - - which you can find for less than $200.
A dehumidifier works by cooling the metal pipes on the back of the unit to create condensation (water vapor in the air). This then drips into the collector bucket. If the unit runs too long the cooling tubes can get too cold and freeze the condesing water vapor. Unplug the dehumidifier and let the ice melt, when u turn it back on, turn it down, it may be up too high. If you find this solution helpful please rate it.