Troubleshooting Your Humidifier - Honeywell HE240 Installation Instructions Manual

HE240, HE280 HUMIDIFIER AND INSTALLATION KIT
Vacation
• When leaving on vacation, turn off the humidifier water supply and your
humidistat.
• When you return, turn on the humidifier water supply and reset your humidistat.
Start of the Humidification Season
Use the following steps to bring the humidifier back to normal (winter) operation:
Turn damper blade to "winter" position.
1.
Plug the humidifier transformer back into wall outlet and turn water supply to
2.
the humidifier back on by turning the handle on the saddle valve to the left
(counter clockwise) until there is resistance.
Turn the humidistat to its highest setting and set the thermostat to 10 °F (6 °C)
3.
above the room temperature.
Observe that water is flowing out of the drain hose.
4.
NOTE:The furnace blower must be running to activate the humidifier.
Reset the thermostat and humidistat to a comfortable setting for automatic
5.
operation. (35% relative humidity is recommended.)

TROUBLESHOOTING YOUR HUMIDIFIER

Problem What to look for
Water Leaking joints.
leakage
Brass tubing
inserts
Saddle valve
leaking.
Electrical
No water
to drain.
Humidistat
Humidifier power
Solenoid
Plumbing
Saddle valve
Humidifier
Drain tubing
Air Check duct joints
leakage
69-2685ES—01
Table 4. Troubleshooting Humidifier.
Shut off water and tighten connections.
Verify that brass tubing inserts are used.
Verify rubber pad 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.
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 needle pierces water line and then
backs out needle to open valve.
Remove cover and verify that water flows into
distribution tray.
Verify no obstructions.
Seal with foil tape.
What to do
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