Owner's Manual
Page 3
Contents Features ...2 Key Locations and Descriptions ...4 Planning Program Schedule ...5 Program Schedule ...6 Programming Thermostat ...7 Setting Current Time and Day ...8 Setting Weekday Program ...9 Setting Weekend Program ...10 Setting Temporary Temperature Hold 13 Setting Indefinite Temperature Hold 13 Operating Thermostat ...13 Setting SYSTEM and FAN Switches 13 Replace the Batteries (T8002 Only 14 Backlighting (Select Models 14 Minimum Off-Timing ...15 Troubleshooting ...16 Customer Assistance ...19 Warranty ...20 3 69-1431-1
Contents Features ...2 Key Locations and Descriptions ...4 Planning Program Schedule ...5 Program Schedule ...6 Programming Thermostat ...7 Setting Current Time and Day ...8 Setting Weekday Program ...9 Setting Weekend Program ...10 Setting Temporary Temperature Hold 13 Setting Indefinite Temperature Hold 13 Operating Thermostat ...13 Setting SYSTEM and FAN Switches 13 Replace the Batteries (T8002 Only 14 Backlighting (Select Models 14 Minimum Off-Timing ...15 Troubleshooting ...16 Customer Assistance ...19 Warranty ...20 3 69-1431-1
Owner's Manual
Page 16
Action • Check if the thermostat is in the Off position-set the heating higher or the cooling lower). Troubleshooting Symptom Display does not come on the wallplate. • Check if the circuit breaker is tripped-reset the circuit breaker. • Check if the fuse ...
Action • Check if the thermostat is in the Off position-set the heating higher or the cooling lower). Troubleshooting Symptom Display does not come on the wallplate. • Check if the circuit breaker is tripped-reset the circuit breaker. • Check if the fuse ...
Owner's Manual
Page 17
...-reset the circuit breaker. • Check if the fuse is blown-replace the fuse. • Check if the switch at the equipment is operating correctly. Troubleshooting (Continued). Contact a heating contractor for the system to respond. • Set SYSTEM switch to Heat. • If the temperature setting is higher than the current...
...-reset the circuit breaker. • Check if the fuse is blown-replace the fuse. • Check if the switch at the equipment is operating correctly. Troubleshooting (Continued). Contact a heating contractor for the system to respond. • Set SYSTEM switch to Heat. • If the temperature setting is higher than the current...
Owner's Manual
Page 18
continued 18 69-1431-1 Troubleshooting (Continued). Symptom Cooling does not come on. Contact an air conditioning contractor for the system to respond. • Set SYSTEM switch to On position. • ...
continued 18 69-1431-1 Troubleshooting (Continued). Symptom Cooling does not come on. Contact an air conditioning contractor for the system to respond. • Set SYSTEM switch to On position. • ...
Owner's Manual
Page 19
Minimum off -timer is in effect. Wait five minutes until the minimum off -timer is complete. Troubleshooting (Continued). Symptom System on indicator or is coming from the registers. Customer Assistance If you have any questions concerning the operation of your thermostat, please visit us at www.honeywell.com or call the thermostat information helpline at 1-800-468-1502. 19 69-1431-1 Action Wait a couple minutes after seeing the flame or snowflake and then check the registers. System on indicator or is lit, but no warm or cool air is flashing.
Minimum off -timer is in effect. Wait five minutes until the minimum off -timer is complete. Troubleshooting (Continued). Symptom System on indicator or is coming from the registers. Customer Assistance If you have any questions concerning the operation of your thermostat, please visit us at www.honeywell.com or call the thermostat information helpline at 1-800-468-1502. 19 69-1431-1 Action Wait a couple minutes after seeing the flame or snowflake and then check the registers. System on indicator or is lit, but no warm or cool air is flashing.