Owner's Manual
Page 57
... LO Batt flashes in the display one month before the batteries run down due to prevent the thermostat and heating/ cooling system from shutting down if the batteries run down completely. 2. Although the thermostat has a Low Battery indicator, replace the batteries once a year to lack of battery power. 4. Replace the batteries as soon...
... LO Batt flashes in the display one month before the batteries run down due to prevent the thermostat and heating/ cooling system from shutting down if the batteries run down completely. 2. Although the thermostat has a Low Battery indicator, replace the batteries once a year to lack of battery power. 4. Replace the batteries as soon...