Explains How to Clear Settings on Honeywell Thermostat RTH9580WF. Now you do this by resetting. Ans doing this erases all user changed settings. Resetting also removes lock screen passwords and screen color changes et al. Resetting restores this Honeywell RTH9580WF touchscreen thermostat to factory default condition. You clear the settings by following the routine below. … Continue reading How to Clear Settings on Honeywell Thermostat RTH9580WF