Honeywell T8700C Owner's Manual - Page 10

Symptom Heating or cooling does not come on. Temperature setting is too warm or too cool. Corrective Action Check that the heat setpoint is above room temperature or that the cool setpoint is below room temperature. Check that the system switch on the thermostat is set to HEAT or COOL. Check the system fuse or circuit breaker and replace or reset if necessary. Check power to the heating or cooling equipment. Adjust the temperature by pressing either the or key. If you have any questions concerning this thermostat, call Honeywell Customer Assistance at 1-800-468-1502, Monday - Friday, 7:00 am - 5:30 pm, Central time. For service, contact your local heating and cooling contractor: 10 69-1099