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The thermostat will display a check filter message when it is time to change the
furnace filter. When the reminder is displayed on the screen, pressing and
holding the done button for about three seconds will clear the reminder.
To reset the check filter reminder:
1. Open the thermostat door.
2. Press and simultaneously hold the soft buttons below the heat and
cool setpoints (the two bottom buttons on the right). The screen will
display 01 and the check filter reminder. The display will also show the
percentage of time used by the filter. When the percentage reads toward
100%, this means that it is nearing time for filter replacement.
3. Repeatedly press and release the set button until the check filter reset
reminder flashes.
4. Press and hold the done button for about three seconds to remove the
reminder. The percentage associated with it will go down to zero.
5. Press the done button.
6. Close the thermostat door.
Reset reminders