Honeywell RTH6350 - Manual (Page 28)

Advanced Installation Guide
69-2416ES—05 26
Troubleshooting
SETUP
WIRING
ASSIST
ANCE
TROUBLESHOOTING
Troubleshooting
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 correctly installed
(see page 7).
Temperature
settings do not
change Make sure heating and cooling
temperatures are set to acceptable
ranges:
• Heat: 40° to 90 °F (4.5° to 32 °C).
• Cool: 50° to 99 °F (10° to 37 °C).
Cannot change
system setting
to Cool • Check Function 1: System Type to
make sure it is set to match your
heating and cooling equipment
(see page 14).
Fan does not
turn on when
heat is
required • Check Function 3: Heating Fan
Control to make sure it is set to
match your heating equipment (see
page 16).
Heating and
cooling
equipment
running at the
same time (or
heat does not
turn off) • Check Function 1: System Type to
make sure it is set to match your
heating and cooling equipment
(see page 14).
• Grasp and pull thermostat away
from wallplate. Check to make sure
bare wires are not touching each
other (see page 6).