Where is a manual I can find for Maytag 45-Pint Dehumidifier M7DH45B2A? I haven't used it since 2004 and I am not sure how to set the settings?

Here is a link to an Owner's Manual for a Haier 45 pint dehumidifier. Not sure if yours exactly like it or not, as you didn't mention a model number. You can download and print the manual for future reference.

http://www.haieramerica.com/cool-heat-air-quality/dehumidifiers/45-pint-capacity-electronic-control-115-volt-dehumidifier-de45ek-7

Look for the download in the left hand lower left on the page.

Hope this helps and thanks for choosing FixYa.

Don't run the compressor for any length of time without the fan operating. Is it possible that the fan must be replaced? Can you power the fan safely to test it?
Gary

Hi,
There are many reasons why a dehumidifier willnot work or collect water.
Here is a tip that I wrote to help people to figure out what is going wrongwith their dehumidifier

Dehumidifier is running but no water is in bucket

heatman101

Hi,
There are many reasons why a dehumidifier willnot work or collect water.
Here is a tip that I wrote to help people to figure out what is going wrongwith their dehumidifier

Dehumidifier is running but no water is in bucket

heatman101

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You may have the humidity level set to high. Keep in mind, the higher the number on your LED screen, (if your units have LED display) the more humidity remains in the house. Lowering the numbers on the screen (to 45%), should have a better affect.

Hope this helps you. Please let me know.

I suggest you experiment with the settings. Does this unit have a "current humidity" display?
Start with a higher setting and let it run for a few days watching how much water it pulls. Keep turning it down a little every few days until the problem you're trying to fix no longer exists (musty smell, sweating pipes, etc.)

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Here is a tip that explains what can be happening to make the dehumidifier show that the bucket is full when it is not.

Dehumidifier Problem It shows Bucket Full

heatman101

Well life span is 3-15 years depends how long and hard you run them. 45 pint is about 1000sqft basment. rule of thumbs bigger better. run less and do a better job. I would start by filling the bucket and place in a dry shower see if you have a crack. cant find a source for the bucket discontinued this might be your problem. http://www.repairclinic.com/SSPartDetail.aspx?s=t-M7DH45B2A-%3d%3di1025984&PartID=1025984 Repair cost are about 40-50 and hour!!!! good luck

For model M7DH45B2A Maytag 45 PINT Dehumidifiers
Parts for the unit. www.appliancefactoryparts.com
Part CRCFD5303-010 Fan - $19.99
Part CRCFD3000-030 Motor - $49.99

Parts for others are also available.

A dehumidifier takes water out of the air so you don't put water in it. Give me the entire model # from the sticker on the unit and I will see if I can get info on it for you.