Troubleshooting - Honeywell RTH6450 Guía De Instalación Rápida

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
Temperature
settings do not
change
Cannot change
system setting
to Cool
Fan does not
turn on when
heat is required
Heating and
cooling
equipment
running at the
same time (or
heat does not
turn off)
69-2696ES_A.indd 25
batteries are correctly installed (see
page 8).
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).
• Check Function 1: System Type to
make sure it is set to match your
heating and cooling equipment (see
page 14).
• Check Function 3: Heating Fan
Control to make sure it is set to
match your heating equipment (see
page 16).
• 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).
25
RTH6400
69-2696ES—02
1/5/2012 10:17:07 AM