Honeywell ENERGYPRO T8665C Owner's Manual page 49

Symptom
1COM is displayed.
Heat or cool turns
on before
programmed time.
Table 3. Troubleshooting. (Continued)
Possible Cause
The thermostat is unable to
communicate with Energy
Utility management system
controller.
Adaptive Intelligent
Recovery™ control is on.
Contact your energy utility for assistance.
Adaptive Intelligent Recovery™ control
brings the heat or cool on early to meet the
temperature set for the programmed
period. See Adaptive Intelligent
Recovery™ control section. To disable
Adaptive Intelligent Recovery™ control,
contact you local Heating and Air
Conditioning contractor.
49
Action
69-1538