21 69-1532—2
Toll-Free Customer Assistance
Please read and follow the instructions for this thermostat. If you have questions about this thermostat, visit our web
site at www.honeywell.com/yourhome, or call Honeywell Customer Care at 1-800-468-1502.
Temperature change occurs at the
wrong times.
•Check the program times for the period in question.
•Make sure the AM and PM settings are correct.
•Make sure the current time and day settings are correct.
•Reprogram any incorrect settings.
NOTE: If your thermostat is set for Smart Response™ technology, the
start times occur before your programmed comfort periods.
Thermostat backlight appears dim. •Wait until Replace Battery indicator is illuminated and replace batteries.
•Replace batteries now.
Table 3. Solution Guide.
If... Then…