Whole House Humidifier Troubleshooting
A whole-house humidifier installs on or near the return air duct of a furnace to supply humidified air inside a home. The humidified air can relieve symptoms of asthma and allergies, eliminate static electricity and alleviate dry skin. If the whole-house humidifier installed in your home does not perform as expected, troubleshoot to identify and resolve common issues. Does this Spark an idea?
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Instructions
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1
Turn off the water supply to the humidifier and tighten all connections if there is any leaking. Turn the water supply on and check for the leaks.
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2
Check the control circuit wiring if there is no water to drain. Turn the humidistat up and down and listen for a click. Turn on the furnace fan and listen for a click. Call for service if you do not hear a clicking sound.
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3
Inspect plumbing connections and remove kinks, if the water is not draining properly. Remove any obstructions in the drain tubing.
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4
Seal duct joints with duct tape if air is leaking around the humidifier.
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5
Check the breaker box and reset the breakers if the furnace blower is not working. Inspect wiring connections and the humidity control setting. If the furnace blower still does not work, call for servicing.
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Close doors, windows and the fireplace damper, if present, if there is low humidity. Seal doors and windows with drafts using caulk or weather stripping.
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7
Turn the humidifier off if condensation develops on the walls. Do not turn the humidifier on until the condensation has evaporated.
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