Owner's Manual
Page 11
...when the REPLACE BATT warning begins flashing. The warning flashes about two months before leaving home for backup power) if your thermostat was wired to run on AC power when installed. All settings are depleted. Battery replacement Pull at bottom to the display during power interruptions. M29422 PRO TH3110D / TH3210D ...before the batteries are permanently stored in memory, and do not require battery power. 9 69-1776EFS-01 ENGLISH Batteries provide backup power to remove thermostat from wallplate. Turn thermostat over, insert fresh AA alkaline batteries, then reinstall...
...when the REPLACE BATT warning begins flashing. The warning flashes about two months before leaving home for backup power) if your thermostat was wired to run on AC power when installed. All settings are depleted. Battery replacement Pull at bottom to the display during power interruptions. M29422 PRO TH3110D / TH3210D ...before the batteries are permanently stored in memory, and do not require battery power. 9 69-1776EFS-01 ENGLISH Batteries provide backup power to remove thermostat from wallplate. Turn thermostat over, insert fresh AA alkaline batteries, then reinstall...
Owner's Manual
Page 12
... power switch at heating & cooling system is on. • Make sure furnace door is closed securely. • Make sure fresh AA alkaline batteries are correctly installed (see page 9). ENGLISH Operating Manual In case of difficulty If you have difficulty with your thermostat, please try the following suggestions.
... power switch at heating & cooling system is on. • Make sure furnace door is closed securely. • Make sure fresh AA alkaline batteries are correctly installed (see page 9). ENGLISH Operating Manual In case of difficulty If you have difficulty with your thermostat, please try the following suggestions.