Question about Aprilaire 700 Humidifier

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Aprilaire 700a flashers contact dealer light with a code of "E3". turned knob to test/reset and would come on as test, but wont work normally.

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I believe e3 is an outdoor sensor problem, most people use manual mode, you should see a blue jumper that is connected to 2 OD terminals at the control, or if u use a sensor there should be a wire run outdoors, if you dont have the manual mode part you have to get it from an aprilaire dealer, cant just jump it out, it is a resistoraprilaire 700a flashers contact dealer light with - 80027be.jpg

Posted on Aug 07, 2009

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We noticed the humidity went down to 30% and I adjusted the rate to increase Now our Aprilaire 400 says to change the filter. I did that, and it still says to change the filter. The furnace runs fine....


If your humidifier is equipped with a Digital Humidifier Control with Water

Panel change indicator, after replacing the Water Panel, turn the control

knob to the "Test/Reset" position until the "Humidifier On" light blinks to

reset its timer. (Blower must be operating and HVAC calling for heat.) Be sure

to turn the control knob back to it's original setting. If the "Humidifier On"

light continues to blink, your humidifier is in Test mode. DO NOT LEAVE THE
CONTROL IN TEST MODE OR HUMIDIFIER WILL NOT OPERATE.

Jan 27, 2011 | Aprilaire 400 Humidifier

2 Answers

Not working


HI, Troubleshooting an Aprilaire Humidifier

Aprilaire, a manufacturer of indoor air quality products including thermostats, air cleaners and dehumidifiers, also offers a line of whole house humidifiers. Installed in your existing heating and cooling system, humidity is produced by a supplied water source that flows over a water panel before being distributed throughout your air through the heating and cooling system. Issues you may need to troubleshoot with your Aprilaire humidifier include error messages and the unit producing too little or too much humidity.

Things You'll Need:

Replacement water panel


Turn down the control dial by one setting if condensation appears on your windows or walls.


Turn up the control dial by one setting if there is a lack of humidity, often indicated by dry skin or peeling wallpaper or paint.


Turn the control dial to "Test/Reset" if the humidifier does not run. Verify the heating and air conditioning unit blower is operating. If the heating and air conditioning unit is not operating or you are unable to resolve the issue contact a heating contractor.


Contact a heating contractor if you turn the control dial to "Off" and the humidifier continues to run.


Contact your Aprilaire dealer (see Resources) if you notice an error code on the display and the "Call Dealer for Service" light flashes.


Turn the control dial to "Off" and turn off the water supply if the yellow "Change Water Panel" light flashes. Lift the front panel off of the humidifier. Slide out the water panel. Insert a new water panel. Replace the front cover. Turn the control dial to "Test/Reset" until the "Humidifier On" light flashes. If you feel uncomfortable changing the water panel, contact a heating contractor.


Tips & Warnings

Purchase replacement water panels through your Aprilaire dealer or a heating contractor.



You can get parts from the link below:

arnoldservice.com/humidifier_parts.htm


Hope it helps.

Thanks for using fixya....

Nov 17, 2010 | Aprilaire 700 Humidifier

1 Answer

I replaced the water panel on our aprilaire 600 humidifier. I adjusted the thermostat to call for heat to test it. When the dial (non-digital control panel for the humidifier) is turned to test/reset,...


Thank you for contacting us with regards to your model 600 Humidifier. The Change Water Panel indicator should flash when the control knob is set to the Test/Reset mode. The flashing indicates that the timer has been successfully reset. However, the humidifier should operate for the first 60 seconds of Test mode as long as your furnace is running. If your humidifier does not turn on, contact your installer. The humidifier may require service.
We appreciate the opportunity to be of assistance.
Sincerely,


Brett Phillips
Technical Support
Research Products Corporation

Nov 01, 2010 | Aprilaire 600 Humidifier

1 Answer

How do you set and or reset the "filter replacement"schedule on the April air #700 model?


The owner's manual reads "After the Water Panel is replaced, turn the Control knob to the “Test/Reset” position until the green “Humidifier ON” light flashes, to reset the Water Panel change timer."

Hope you find this to be very helpful.

Let me know if you have any questions. :-)

Mar 20, 2010 | Aprilaire 700 Humidifier

1 Answer

I installed a 700A model on my furnace (does not have a bypass but has a fan built in). It is insallted on the supply side per the instructions. The "humidifier on" light is on when the funace is running....


try tying the 2 yellow wires together that come out of it and as long as door is on properly and unit is not defective it should start if not most likely the control board inside is bad

Dec 16, 2009 | Aprilaire 700 Humidifier

2 Answers

Aprilaire 700 only works in test mode.


connect two wires at humidifier without any wirng connected if works problem is in wiring or humidistat

Oct 28, 2009 | Aprilaire 700 Humidifier

1 Answer

Change water pad but change water panel light is on


Turn the control knob to the
“Test/Reset” position until the “Change
Water Panel” light blinks to reset the
water panel change indicator timer.
(Blower must be operating and furnace
calling for heat.) Be sure to turn the
control knob back to the prior setting when finished

Oct 27, 2009 | Aprilaire 700 Humidifier

1 Answer

Unable to get humidity level above 21% with Aprilaire 700A


Hopefully it was installed properly. It should only allow water to run when the furnaces blower is on. The outdoor probe can only be properly checked with an ohm meter. When you replace the evaporative panel, it is very important to have the dark painted mark on the "top" of the panel when it is installed. They do not give these instructions to a homeowner, only a contractor. So i am betting that your new water panel is installed upside down.
Good luck

Mar 26, 2009 | Aprilaire 700 Humidifier

1 Answer

Error Code E3


I have the same type of Aprilaire humidifier unit with automatic temperature sensing control. My unit also displayed the 'E3' code. The HVAC technician was on site today and replaced the temperature sensing unit that is located outside the house. The humidifier is functioning normally once again.

Dec 03, 2008 | Aprilaire 600 Humidifier

3 Answers

Aprilaire 600 - change water panel light stays on


Turn the control knob to the test/reset position untill the change water panel light blinks to reset the change panel timer. Make shure the furnace is running calling for heat.Turn control knob to prior setting after resetting timer. Hope this helps.

Feb 16, 2008 | Aprilaire 600 Humidifier

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