OPERA
TION
AND SER
VICE
Humidifier 69-2413EF—01
23
Problem
What To Look For
What To Do
Low humidity
Furnace blower not
operating
Reset circuit breaker or check for blown fuse.
1.
Check that the furnace power is on.
2.
Check all external wiring connections.
3.
Check the humidity control setting.
4.
Rapid air changes or
drafts
Keep doors and windows closed.
1.
Close fireplace damper when not in use.
2.
Keep exhaust fan running time to a minimum.
3.
Seal around doors and windows.
4.
High humidity
Condensation on walls
Turn off humidity control and water until condensation is completely
1.
evaporated.
Heavy condensation on
windows
Turn humidity control down low enough to eliminate condensation
1.
caused by moisture. If moisture persists, more ventilation is needed.
Replace Pad
light is on
(HE150/HE250/
HE300)
This is the yearly
maintenance reminder to
replace the pad inside the
humidifier
Refer to the parts list and replace the pad for your humidifier model.
1.
Once pad is replaced, press the RESET button under the wire cover.
2.
Service light is on
(HE150/HE250)
The damper inside the
bypass has failed to open
completely
Press RESET button under the wire cover.
1.
Verify the damper plug is connected on the side of the humidifier the
2.
bypass outlet is on.
Ensure there is no interference from sheet metal screws that connect
3.
the bypass to ducting.
If fault persists, replace bypass damper motor.
4.
Air proving device has
detected a lack of air
movement
Only possible with DIPs
configured as:
Check wiring to Air Flow Switch.
1.
Confirm DIP switch configuration and wiring on the humidifier is correct.
2.
Check location of Air Flow Switch to ensure it is properly placed in duct
3.
to detect air.
Check switch relays.
4.
If fault persists, replace Air Flow Switch.
5.
Service light is on
(HE300)
The fan motor has failed
Press RESET button under the wire cover.
1.
Unplug the humidifier and plug it back in.
2.
If fault persists, replace motor assembly.
3.
Air proving device has
detected a lack of air
movement
Only possible with DIPs
configured as:
Check wiring to Air Flow Switch.
1.
Confirm DIP switch configuration and wiring on the humidifier is correct.
2.
Check location of Air Flow Switch to ensure it is properly placed in duct
3.
to detect air.
Check switch relays.
4.
If fault persists, replace Air Flow Switch.
5.
Troubleshooting
