Question about Fedders A7DH65B2A Dehumidifier
The humidifier is set on 40%, the humidity is 60, the machine runs but does not take any water from the air and the humitity stays at 60. What is wrong? My dehumidifier is running smoothly but is not collecting water. It's set at 40 but will not come down below 60. I cleaned the air filter. I'm not sure what else to do.
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Posted on Jan 02, 2017
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.
Thank you for your allowing me to advise you on this issue.
Dave E. (Illeagle)
Posted on Jun 02, 2008
A dehumidifier is just a refrigerating machine with it's shirt hanging out and there is not much in the way of serviceable parts inside.
If the compressor runs - the throbbing sound - and it doesn't collect water then either the intake filter screen is totally clogged with fluff or the compressor has leaked it's gas away, in which case it might run continuously and get hot to no good effect.
If it doesn't run then it may be that the motor capacitor has failed, but that can soon lead to the compressor motor cooking itself; leaving you with an expensive doorstop.
The one thing you might get checked is the "bucket full" switch. There will be a floating part on the bucket which rises up when the bucket fills and eventually makes contact with another part which is connected to a small switch. If that switch has failed you might be lucky and get an inexpensive repair job done.
If these suggestions do help you solve the problem, please give my reply a suitable rating. If they do not, please add a comment with more details so I can try to help you further.
Posted on Jul 01, 2008
I have the same problem, just started it after not using it for the winter and it runs and runs and no water. I believe the coolant has leaked from the sealed system and there is nothing you can do. I've had it for 1 year and it has a 5 year warranty. I know from experience, this is the 3rd dehumidifier that I have had this problem with, all different brands. Call for service, I am betting you have not had it very long.
Posted on May 09, 2009
SOURCE: My Maytag M7DH45B2A Dehumidifier turns on and runs for 30-60 seconds, then turns its self off even though the humidity level is set below what humidity is in the air. The full light does NOT come on s
Either the humidistat is weak or the bucket is in place button is vibrating against bucket and short cycling
Posted on May 28, 2009
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