User's Guide

63 69-2718ES—03
Troubleshooting
Heating system
is running in
cool mode
• Check Function 1: System Type to make sure it is set to match your heating
and cooling equipment (see page 50).
Heating
and cooling
equipment are
running at the
same time
• Check Function 1: System Type to make sure it is set to match your heating
and cooling equipment (see page 50).
• Grasp and pull thermostat away from wallplate. Check to make sure bare
wires are not touching each other.
• Check thermostat wiring is correct.