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In the basement, my dehumidifier recently has been building up ice on top of the unit, had been working fine the past two years. I cleaned the filter and the coils, any other suggestions? Its the comfort-aire BHD-651...it's been very humid this summer, and the basement temperature has been around 68 degrees, with a set of 50% humidity
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I understand that your Frigidaire dehumidifier, model# LAD704TDL, is not reducing the humidity, due to the coils constantly freezing up. I also see that it is located in good temperatures and in a good position. I suggest contacting the manufacturer directly. They should be able to point you in the right direction to having your appliance fixed. Hope this is helpful.
Kathryn, if you are operating it in a basement application, the problem is that air temperature at floor level, is colder than at shoulder level. Dehumidifiers struggle to work at temperatures between 40 & 65 degrees F (Unless they are Low Temp model designed for basement applications). And will ice up at times. Raising the unit up off the floor onto a sturdy table, counter top, etc that can handle the weight of the unit, plus a full bucket of water, will usually resolve the problem.
If it's not a basement application, try lowering the humidity extraction level to 35%. In you have an analog unit, turn the control knob to Maximum.
I hope this helps you and thanks for choosing FixYa.
The frost is requried for the unit to do it's work. The unit should routinely turn off and the ice should melt. without this process no water would be removed from the air....
The air intake filter may be clogged. Cleaning it, may solve the problem, once the unit thaws out. In addition, low refrigerant gas can also cause the unit to ice up. While waiting for the unit to thaw completely, turn the Master On/Off Switch to OFF and unplug the unit. In addition to thawing this unplugged time, may give the unit a chance to reset itself.
usually, ice build up is caused by low refrigerant levels (a dehumidifier is essentially an air conditioner). depending on the unityou may or may not be able to service it. Some of these systems are sealed at the factory and a pierce valve is needed to add refrigerant to the system.
I did a little digging around on the internet and found out that if the basement (or where ever you have your unit) is in an area where the room temp might dip below 65 degrees the coils may start to become "too efficient" in pulling the moisture/humidity out of the air and it begins to freeze on the coils before it can drip off into the reservoir. The site said to turn off the unit and let it thaw out, then restart it and see if everything works ok after that. If the temperature gets too low you might need to warm up the air in the room/basement before it will operate correctly again/not continue to freeze up. Hope this helps. Mine just did the same thing but we've had some pretty cold weather recently and the basement is fairly cold as well.
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