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I have an older model#RDH940 2 speed dehumidifier the coil is icing up or freezing, can this problem be solved if so could you give me advise?

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6 Suggested Answers

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SOURCE: Kenmore model # 25800-25801 Error code E1?

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Posted on Apr 17, 2008

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solveditnow
  • 39 Answers

SOURCE: coils freezing up

Its likely one of two things. 1) the fan isn't moving enough air through the unit. If there is a filter, clean it. 2)If aire flow is OK and its freezing up on one end of the coil and the other end of the coil is not very cold at all then refrigerant charge is probably low. I know that seems counter intuitive but a low charge in a refrigerator or A/C unit (which this dehumidifier is a derivative of) can actually frost up when slightly under charged. Now if the charge is determined to be low there is a leak somewhere and that leak will need to be found and repaired. It will probably take an electronic leak detector to find it. If the leak is on a section of aluminum tubing in a tight location it may be impossible to repair the leak and that may force you into a new unit. If its on a copper tube it can be fixed. If its on aluminum tubing it can be clamped shut if there is physical access for attaching a clamp and seal. Sometimes a leak pushes out some refrigerant oil at the site of the leak making it a visible spot to the naked eye. Hope these comments are of some help

Posted on Jan 16, 2009

  • 116 Answers

SOURCE: Ice on dehumidifier coils

most likley low on freeon gets colder when it leaks out stat could be not working correctly

Posted on May 10, 2009

  • 1 Answer

SOURCE: dehumidifier freezes up

Most dehumidifiers need warmer air to work properly. The temperature in a basement is usually 60 - 65F; too cool for standard models. You could buy a "basement" dehumidifier. They're designed to work at lower temperatures; some as low as 40 F. Costs are about the same as a standard dehumidifier; you just have to find it.

For a cheap fix, try this; it seems to be working for me.

Since the condensate coil (the one icing up) is cold, the air entering it is too cool and the condensate frosts up the coil. Additional condensate freezes to the frost and before you know it, you've got a block of ice. Since the air coming out of the front is very warm take a large piece of cardboard around 6' x 3') and form a V. Placed it in front of the dehumidifier so it channels some of the warm air back to the rear where it warms the moist air up before it hits the cooling fins. It's helped keep the ice down.

If you want something attractive, any screen that redirects some of the air back to the rear will work. Just leave the top open so it doesn't get too hot and the some of the drier air gets out into the room.

Posted on Jun 22, 2009

VtToolMan
  • 704 Answers

SOURCE: The coils keep freezing on my gold star dehumidifier

Try turning the setting down lower in order to help the unit cycle on and off, rather than have to run constantly.

It could be that your situation requires more than one dehumidifier for the space you're trying to cover with this one unit. These units are not designed to operate 24/7 without cycling on and off frequently.

The situation you're experiencing tells me that you have either an extreme amount of moisture where the unit is placed, or the area is much to large for just one unit to handle. If you can issolate the unit to one area by closing a door, etc. if that isn't possible, you'll likely need another dehumidifier to help reduce the load on this one that's freezing up while helping reduce the amount of moisture in the area.

If that doesn't help, please provide more details about the area the unit is being used in and the size of the room, etc., so I can further assist you in solving the problem. Thanks!

Posted on Jul 28, 2009

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1 Answer

Dehumidifier freezes up


Good Afternoon Friend,

I understand your Frigidaire dehumidifier, model# FDF50S, is freezing up. I see that the compressor does not shut off, causing ice to build up on the coils, rather than water draining off. What can cause this is your dehumidifier has been turned on recently. This is normal due to refrigerant rushing through the coil. Frost will usually disappear within 60 minutes. Another cause is if the room temperature is too low or too high. Your appliance is designed to operate between 41 degrees F and 96 degrees F. I suggest resetting your appliance, by either unplugging it or shutting the power off at your home's circuit breaker, for 3-5 minutes. Restore power and start any cycle. I ask that you please follow up with a comment on the post, at your convenience, to advise if further troubleshooting is needed or if your appliances status has changed successfully. Hope this is helpful.

-Best Regards-
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I have a edison model dhe40s that freezes the coils and doesn't drip into bucket what could be wrong?


Hi,

Here is a tip that I wrote that will help you understand why and what you cando with a dehumidifier that ices up.

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Coil keeps freezing up. ie. coated with ice!


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My dehumidifier ices up any suggestions thanks evan


Evan, a dirty or clogged air intake filter can cause it to freeze, as well as obstructed air flow around the unit. Maintain a minimum or 12" clear air space all around the dehumidifier. Also operating the unit in temperatures below 40 degree (F), will also cause the coils to freeze. In addition, low refrigerant in the compressor can cause the coils to freeze. In which case, recharging the gas should solve the problem, And finally, worse case scenario is that the defrost cycle sensor has failed and needs to be replaced.

If you find you need parts and/or service and don't want to tackle it yourself, go to the Danby link below and enter your Zip Code.

http://www.danby.com/locator.php?type=service

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

May 30, 2011 | Danby Dehumidifier

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My dehumidifier model BHD-501-D is icing up. The fan and compressor are running, do I need a new thermostat?


You may, but more than likely, the air intake filer needs to be cleaned and the compressor coils wiped down and cleaned. After cleaning the coils, a light coat of WD40 helps to preserve them.

Before attempting any cleaning or service work, turn the unit OFF and unplug it from the wall outlet and allow it to thoroughly thaw. Keep in mind, a dehumidifier will freeze up, if the room temperature is below 40 degrees. Also, where you have it installed may be a problem. Particuarly, a basement. Where the air temperature is colder at floor level.

In case you have misplaced your Owners Manual, I have included a link to it that you can download & print for future reference. Be advised, your Model Number is not for a Sunbeam Dehumidifier, it's for a Comfort Aire dehumidifier that's manufactured by Heat Controller Inc.

http://www.sylvane.com/images/prodphoto/co758/comfort-aire-product-manual-501-651-D.pdf


I hope this helps you solve the problem. Please let me know. Thanks.

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Coils freezing up, is this normal during operation?


Check fan speed. Also if coil (it's the evaporator) is clean.

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Ice on dehumidifier coils


most likley low on freeon gets colder when it leaks out stat could be not working correctly

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