Honeywell RTH 7000 - Manuel (Page 26)

Installation Guide
4
In case of difficulty
If you have difficulty with your thermostat, please try the following suggestions.
Most problems can be corrected quickly and easily.
Display is blank • Make sure fresh AA alkaline batteries are properly installed (see
page 13).
Cannot change
system setting
to Cool • Check Function 0170: System Type to make sure it is set to match
your heating and cooling equipment (see page 18).
Fan does not
turn on when
heat is required • Check Function 0180: Heating Fan Control to make sure it is set to
match your heating equipment (see page 19).