Troubleshooting
If you have difficulty with your humidity control, please try the following suggestions.
Most problems can be corrected quickly and easily.
Display is
blank
Humidity
settings do
not change
• Check circuit breaker and reset if necessary.
• Check for 24VAC between R and C at the wall plate.
• Make sure power switch at heating and cooling system is on.
• Make sure furnace door is closed securely.
Make sure the humidity is set to an acceptable range:
• Check current range stop settings in Installer Setup.
• Auto Mode: 1–10 (up to 11 if Humidity Boost is enabled)
• Manual Mode: 20%–60%
• Dehumidification Mode: 40%–80%
29