Question about Haier HDN455 Dehumidifier

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Haier dehumid-HDN455-How do I clean?

Behide the machine, where all the info is (on make etc )is the removable area . I clean this all the time but I notice if I remove it and look inside at a grill like area it is dusty and to me hopefully not mold or mildew or moist.I am in florida's pan- handle and we get alot of rain,so my 1908 home/ office
sees alot of action with my dehumid..which is great product and I am not using as we speak because i do not want to expose the house to any toxic stuff....I have asthma and own an Amazon who I would be sick if I injured her delicate respiratory system....I think it is a flaw in the design if the machine is only good if no junk collects or if it does means time for a new one.I never had any filter in between it ...did not see one , did not read it needed one? concern is I can not get to the area and it can not be a good sign for me I get rid of it ?do they last 1-2 years?My ac man thouhgt I was a dizzy chick when I asked him where I go to get it cleaned.

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  • mccahilllaw Feb 05, 2008

    called my closest auth. repair store and they said yes they rec-cleaning them....$40 ...steam time I am in Panama city I will drop it off..hit the mall and pick it up. They said it must be allowed to dry if I do pick it up the same day.

    I will put in in the window sun and look forward to using it .I have never had a second of trouble with mine .....Thanks to the quick reply and what a nice web-site



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That grill like area may be the dehum's coils. Yes they have to be cleaned. You use this dehum every day and so you have to clean it more often. See if you can with a small brush and a vacuum. clean it. Or if you have an air compressor you can blow it out.
Keeping the dehum clean will allow it to work better.

Posted on Feb 05, 2008


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

Lament no longer. The link below is to your Owner's Manual. You can download and print it for future reference.

Hope this helps to you get it up and running.

Jul 13, 2011 | Haier HDN455 Dehumidifier

1 Answer

Haier model hdn455 serial number 05021110 it runs but has never taken a drop of water out of the air, so it just keeps running

The problem, may very well be, that the humidity extraction level is set too high. Lower it to 35% and see what happens. Keep in mind, the lower the percentage of the moisture/humidity setting, the more it extracts from the household air. The higher the setting, the less it extracts from the household air.

Also, remove and check the air intake filter to see if that needs to be cleaned. It should be cleaned at least twice a week during the operating season.

Hope this helped you troubleshoot and solve the problem. Please let me know. Thanks.

Jun 06, 2011 | Haier HDN455 Dehumidifier

2 Answers

No lights or sound...changed outlets just stopped running, is there a fuse that could be blown?? or ???

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


Apr 13, 2010 | Haier HDN455 Dehumidifier

1 Answer

"running" light on but motor doesn't engage

There are many reasons for a dehumidifier2_bing.gif 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 dehumidifier2_bing.gif.

Dehumidifier is running but no water is in bucket


Jun 24, 2009 | Haier HDN455 Dehumidifier

1 Answer

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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.

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Haier HDN455 dehumidifier fan runs continuously but not compressor

First ! you are trying to use this dehum in cold weather conditions. this time of the year there is little humidity in the air. best conditions for the dehum to work will be when the temp. is 65 degrees or high, and the humidity is 60% or higher. if you don't trust what I said then take it to sears to be checked out.

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