Honeywell RTH9590 User Manual page 76

Getting help and responding to alerts
On screen alerts
Your home screen will display a large
orange button when you need to correct a
setting or system problem.
1 Touch the button, the thermostat
displays instructions for completing the
task to which you were alerted.
OK
2 Touch on the instruction display,
then carry out the task. When the task
is complete, the alert button will no
longer be displayed.
69-2790ES—05
Replace Air
Filter
Press for info
74
OK