Question about Fedders A7DH45B2A Dehumidifier

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Lost instruction booklet

My 85 yr old friend has lost her instruction bookletand doesn't known how to empty the watter of clean the coils on her fedders Model A7DH45B2A. Could you give me instructions ?

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Maytag sells the dehumidifier as model M7DH45B2A. From another post I found when searching for my Maytag part number, another user posted the following information:

Manufactered by Fedders. Fedders part # A7DH45B2A.

Posted on Aug 15, 2008

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1 Answer

It runs but never water in tank

If it is reasonably clean inside and the room temperature is in the 70's you probably have lost some refrigerant gas or the compressor has lost some capacity. Look in side to be sure the coil is not frozen and the compressor is actually operating.

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Simply turn it off and let it set! this will allow the coils to thaw.

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Be sure the unit is clean inside. It sounds like there is not enough air going over the coil. If you are comfortable with it, you may want to remove the covers and thoroughly clean the coils (may have fins clean them as well). It doesn't take a lot of air restriction to cause this problem.

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Are the coils clean? If it has a filter is it clean? If yes to both, it has lost (leaked) refrigerant and it's time to buy a new dehumidifier. If the leak can be found it probably wouldn't be repairable and would cost more to fix than it's worth.

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It may have lost its charge of refrigerant. Check the warranty for sealed system, or if it is just the compressor which is covered. There are coils above the bucket area. Check for possible frost on only part of the coil. It is a sign that it has a leak at some point and has lost its refrigerant charge. If it lost all the gas there will be no frost nor condensation on the coils. Four years old and $75 bucks, its your choice.

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Depending on the ambient temp/humidity and how its set it could definitely run continually. If you don't hear it it's possible the blade is broken or just stuck.

Call 800-243-0000 or go to

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