Question about Aprilaire 1700 Dehumidifier

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Dehumidifier will not run.

I have a Aprilaire 1700 dehumidifier that will not run. I have power at the switch and 120 volts at thecircuit board. This unit is only running off the humidistatit is not connected to any other hvac equipment. It had been running for 3 years but then they began to demo the space. I'm thinking that they may have cooked the board. Thank you brian

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  • Aprilaire Master
  • 43,501 Answers

Hi,
Have they messed with the wires to the humidistat??
Either they are unhooked or they shorted out the wires and burnt out the transformer...

heatman101

Posted on May 18, 2010

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I have a customer who has a model 1700 dehumidifier Connected to ductwork with a/c only air handler. Not Sure why this is needed or correct way to wire. Also There is no remote humidifier & unit is...


I have to agree with you. I don't see the need for the dehumidifier either. As the AC unit alone, does have some dehumidifying capability.

Your customer would be better served using an independent Low Temp dehumidifier in the basement. If that's the area they are trying to dehumidify because of dampness in the basement.. It certainly would be less costly to operate. But, any unit that is not a Low Temp unit won't work well in a basement.

I hope this helps and good luck convincing your customer of this.

Thanks for choosing FixYa.

Aug 24, 2011 | Aprilaire 1700 Dehumidifier

1 Answer

The unit just stop working. i check that the unit was receiving 120 volt to the printed circuit board


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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;'

May 03, 2011 | Haier HDN655E Dehumidifier

1 Answer

Just bought, brand new. where to put water in? unit will not turn on.


If you bought a dehumidifier, you will not need to put water in it. A dehumidifier removes water. A humidifier add moisture to the air, and you need to add water to this. Was your dehumidifier running before and then it stopped? If so, it will have a tank on the bottom that will have water in it that needs to be emptied out. Let me know if this is your problem.

Sep 27, 2010 | Aprilaire 1710 Dehumidifier

1 Answer

I have an Aprilaire 1750 installed inline with my upstairs central air system in the attic. The unit's ducting appears to be installed as indicated in the installation manual, but when the unit is running...


Your dehumidifier is likely working correctly. When operating and removing moisture, a dehumidifier will supply warm/hot air to your house. Your dehumidifier moves less air than your A/C, so your supply ductwork in your house is oversized for the dehumidifier. This will lead to uneven feeding of your supply duct branches with just the dehumidifier operating.

Since your dehumidifier is installed in the attic, make sure that the ducting connected to it is well insulated. Also make sure that your dehumidifier cabinet is insulated. These actions will help prevent heat gain from the hot air in your attic.

Is your dehumidifier bringing in fresh air from outside? If the outside air is hot and humid, the dehumidifier will supply warmer air to your home.

Some people run their A/C fans continuously to help with the air distribution, but this is a bad idea since it increases energy usage considerably.

DryDog

Aug 06, 2010 | Aprilaire 1700 Dehumidifier

1 Answer

I have 120 volts coming off the control board that switches from wire to wire feeding the fan motor but it does not run. Is there A safety swithc built into this some where?


No there is not...if you have 120v fed from board to fan motor and fan is not operating, then you have a bad motor or capacitor.

May 09, 2010 | Maytag M7DH65B2A Dehumidifier

1 Answer

Dehumidifier will not run.


The power board or control board may not be functioning properly based on the information you provided. In order to best assist you I would recommend you contacting your HVAC installer or contact Aprilaire directly for further insight on this particular issue.

Mar 25, 2010 | Aprilaire 1700 Dehumidifier

2 Answers

Amana d545m dehumidifier no power


replace 24 volt 1 watt zener diode on circuit board. 1n4749 (nte5081a)
mine was hit by lightning and this fixed it.

Jun 23, 2009 | Amana D545M Dehumidifier

1 Answer

Haier hdn305 dehumidifier does not turn on


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.

Jun 03, 2009 | Haier HDN455 Dehumidifier

1 Answer

45 Pint Capacity, Electronic Control - 115 volt Dehumidifier HDN455E - No power


Check the fuse on the board. If the fuse is ok
check Zener Diode ZD2 on the board to see if its shorted.
If it's shorted replace.

Aug 07, 2008 | Haier HDN455 Dehumidifier

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