TEST MODE
1.Press and hold the ON button for 5 seconds to enter Test Mode.. a. Verify all LCD segments blink every second.
b.. Verify humidifier turns on..
2.After 5 minutes or after pressing the OFF button, the control will enter Off mode.. Verify the humidifier turns off..
HUMIDITY SETTING
•The control must be ON to adjust the humidity setting.
•The 
(up) and 
(down) buttons are used to increase or decrease the humidity setting..
•The first press of either button will display the current setting on the LCD display and SET will be displayed below the % sign..
•Each subsequent push of the up or down buttons will change the setting by 1%.
•If a button is held down, the setting will continually change by 1% every 1/2 second for as long as the button is pressed..
•The control will return to Normal Mode, displaying the measured humidity, 5 seconds after the last button press/release..
TURNING ON AND SETTING CONTROL
1.Press the ON button..
2.Use the 
buttons to set the control at 30%..
Increasing the humidity setting will increase humidifier run time, resulting in higher humidity levels..
Decreasing the humidity setting will decrease humidifier run time, resulting in lower humidity levels..
SEQUENCE OF OPERATION
Normal Mode
•When the measured humidity is lower than the setting, the control will activate the humidifier, and ON will blink on the LCD display.
•When the measured humidity increases to 3% RH above the setting, the control will deactivate the humidifier, and the LCD will display a solid ON..
Operating Limits
•If the control senses temperature below 40°F or above 99°F, the control will not allow the humidifier to operate, and ON and * will blink on the display.
•The control will resume normal operation once the temperature is within the specified limits.
OFFSET
An offset can be applied to the humidity reading to avoid discrepancies with other humidity measuring devices in the home. Allow 48 hours for the control to acclimate before applying an offset.. The control must
Figure 9 – Offset Screen
TROUBLESHOOTING
Technical Support is available Monday through Friday, 7:00 a..m.. to 5:00 p..m.. CST, at
(800)
Contact Technical Support before replacing the control or for additional troubleshooting..
be ON to enter the Offset screen..
•Press and hold the OFF button for 5 seconds to enter the Offset screen.. See Figure 9..
•The 
buttons can be used to set an offset value between
•The control will return to Normal Mode, displaying the measured humidity, 5 seconds after the last button press/release..
ERROR CODES
When the control detects an internal error, it will stop controlling, deactivate the humidifier, and the LCD will display the Error Code.. See Figure 10.. The control will attempt to recover from the error every 10 minutes.. The Error Code will continue to be displayed as long as the error condition exists. Button presses are not registered when in Error Mode.. Cycling power to the control will not clear the code and the control will need to be replaced..
Figure 10 – Error Code Screen
10 | 11 |
