Filter
Top Products
TROUBLESHOOTING YOUR HUMIDIFIER
Table 3. Troubleshooting Humidifier
Problem What to look for What to do
Water leakage Leaking joints. Shut off water.
Tighten connections.
Brass tubing
inserts
Verify that brass tubing inserts are used.
Saddle valve
leaking.
Verify rubber gasket is installed on saddle
valve.
No water to drain. Electrical Verify control circuit wiring.
Check all connections.
Humidistat Turn humidistat up and down and listen for
contact to click.
Humidifier
power
Verify that outlet has power.
Sail switch Remove sail cover; turn on furnace fan and
listen for faint click.
Verify that sail can move freely in duct; check
sail switch instructions to trim sail, if
necessary.
Solenoid After verifying other wiring components, turn
on furnace fan, turn humidistat up and down,
and listen for solenoid to click.
Plumbing Verify plumbing connections.
Check for kinks.
Saddle valve Verify that Saddle Valve needle pierces
water line, and has been backed out so that
the valve is open.
Humidifier Remove cover and verify that water flows
into distribution tray.
Drain tubing Verify no obstructions.
69-1176_A.fm Page 21 Monday, December 7, 2009 9:11 AM