Question about Aprilaire 600 Humidifier
I turned on my furnace today and heard a noise from the basement. It turns out it is the humidifer and it appears to be coming from the actual control panel in increase or decrease the humidity level. When I turn the dial completely off - a led inside the panel labeled D10 flashes. If I turn the humidity on - it chatters - in sync with what I believe is the solonid valve. I disconnected power to the solonoid valve and it still flashes but does not click. I took apart the solonod valve and inspected it, but it seems ok.
I fixed my problem by ordering a new control unit (model 56) from IAQSOURCE. Installing the control unit took a few mintues, and once the new control module was installed, I've had no more problems. The URL is as follows: http://www.iaqsource.com
Posted on Jan 22, 2008
I have exactly the same problem and the only thing that helps is to turn the control to "off" for several hours, then turn it back on to a low setting (2 or 3). This helps for a few weeks before the problem comes back.
Posted on Jan 20, 2008
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