Aprilaire 560

Dec 25, 2006 4 Replies

No water flowing onto the pad



Vick


There is an orifice regulating flow which may be clogged with minerals. Or inlet control not operating.

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Possible causes:

Water supply off.

Solenoid not receiving electrical signal to open.

Solenoid bustimicated.

Outlet orifice clogged with mineral deposits.

Caveat: experience with another aprilaire unit, and I didn't look up your unit specifically.

-- Todd H.

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unit specifically.

There is also a fine screen filter on the incoming side of the solenoid. But to get it out, you usually wind up trashing it, so you should have a spare. Arnold Service Co on the internet sells them as well as the orifice. I'd start by measuring the voltage on the solenoid, or listening for it to click.

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