These Honeywell RTH9580WF reset instructions clear all user changed settings in this thermostat. Resetting also erases lock screen passwords and screen color changes et al. Resetting restores it to factory default condition. You reset by following the routine below. We suggest this reset Honeywell thermostat settings action when fixing smart thermostat issues as well. Why? … Continue reading Honeywell RTH9580WF Thermostat Reset Instructions