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TROUBLESHOOTING YOUR HUMIDIFIER
Problem
Water leakage
No water to drain.
Table 3. Troubleshooting Humidifier
What to look for
Leaking joints.
Brass tubing
inserts
Saddle valve
leaking.
Electrical
Humidistat
Humidifier
power
Sail switch
Solenoid
Plumbing
Saddle valve
Humidifier
Drain tubing
What to do
Shut off water.
Tighten connections.
Verify that brass tubing inserts are used.
Verify rubber gasket is installed on saddle
valve.
Verify control circuit wiring.
Check all connections.
Turn humidistat up and down and listen for
contact to click.
Verify that outlet has power.
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.
After verifying other wiring components, turn
on furnace fan, turn humidistat up and down,
and listen for solenoid to click.
Verify plumbing connections.
Check for kinks.
Verify that Saddle Valve needle pierces
water line, and has been backed out so that
the valve is open.
Remove cover and verify that water flows
into distribution tray.
Verify no obstructions.
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