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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…