Question about Whirlpool AD25BBK Dehumidifier
The unit turns on and cycles but humidity is not removed, no water in the pan.
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
If you haven't done so already, try removing and cleaning the inlet filter screen which is almost certainly just behing the inlet grille. It may slide upwards out of the casing or downwards unto the bucket area. If this is blocked with fluff then no moist air will get to the cold pipes, so little or no water will be extracted. There's also a chance that the humidity sensor is clogged with fluff, so fooling the system into thinking the room is pretty dry, in which case the compressor will probably not run.
A running compressor can usually be detected as a deep throbbing from the machine. If it is running, but not cooling the pipes behind the intake grille, then you may have lost the refrigerant from the system via a leak. If the air coming out of the machine is warm (caused by the compressor running) but there is no water produced this may be the cause.
Explore along these lines and let me know what you find.
Posted on Jul 31, 2008
I have a Whirlpool dehumidifier model AD50LJ0: the compressor starts but then appears to trip out. The fan keeps running. It does not condense and water. Can you help?
Posted on Jun 12, 2009
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