Honeywell RTH8500D Thermostat User Manual


 
57 69-1725-1
Review Battery Tips
1. Replace the batteries as soon as LO Batt flashes in the display.
The LO Battery indicator flashes in the display one month
before the batteries run down completely.
2. Always use fresh AAA alkaline batteries. Non-alkaline batteries
do not last as long and can leak, causing thermostat damage.
3. Although the thermostat has a Low Battery indicator, replace
the batteries once a year to prevent the thermostat and heating/
cooling system from shutting down due to lack of battery power.
4. As a precaution, replace the batteries when leaving your home
for more than a month to prevent your heating/cooling system
from shutting down if the batteries run down completely.