No response at all. please advise
Is a digital Humidistat? if is not, it should click at some point, make sure when you test that the furnace fan is running and heat is on, then check condensation pump is not full. Also check the 2 wirenuts under the humidifier, another thing to check will be for the presence of a current sensing relay, for this you gonna have to open the furnace blower compartment and look for a 2''x1'' box with a U metal clamp, hanging from one of the wires that feed the blower, sometimes, relocating this relay fix the problem, You can bypass this device for testing.
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