I dont know how to work my dehumidifier its haier hdn455 i dont know where the manuel is

To find the parts you need for your Haier Dehumidifier go to the following link.
http://www.partlinx.com/haier.asp

I hope this helps you & thanks for choosing FixYa.

dehumidifiers work by cooling down so that warm moist air will condense has it stopped working ?

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 for a dehumidifier tto not work or collect water.
Here is a tip that I wrote to help people to figure out what is going wrong with their dehumidifier.

Dehumidifier is running but no water is in bucket
http://www.fixya.com/support/r4662409-dehumidifier_running_but_no_water_in

heatman101

Check your model number again, Haier doesn't recognize this number.

You could either have a dead short somewhere or a seized compressor.

Hi,
There are many reasons for a dehumidifier to not work or collect water.
Here is a tip that I wrote to help people to figure out what is going wrong with their dehumidifier.

Dehumidifier is running but no water is in bucket
http://www.fixya.com/support/r4662409-dehumidifier_running_but_no_water_in

heatman101

Had the same problem with two HDN455's and took them to a local electronics repair shop. They replaced a Zener ZD2 diode for a total cost of $53 and now is working fine.

Hi,
There are many reasons for a dehumidifier to not work or collect water.
Here is a tip that I wrote to help people to figure out what is going wrong with their dehumidifier.

Dehumidifier is running but no water is in bucket
http://www.fixya.com/support/r4662409-dehumidifier_running_but_no_water_in

heatman101

Float switch is stuck, has a broken spring or the actuator arm is bent