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63 69-2715ES—01
Troubleshooting
Heat pump
issues cool air
in heat mode,
or warm air in
cool mode
•CheckFunction 0190: Heat Pump Changeover Valve to make sure it is
properly configured for your system (see page 55).
Button on
lower right of
screen is blank
•Thisbuttonwill remainblankunlessthefurnacefilterchangereminderis
activated (see page 44).
Red light is on •Ifther mostatisinEmergencyHeatmodetheredlightis normal.Itshows
that the thermostat is in emergency heat mode.
•Ifther mostatisnotinEmergencyHeatmode,contactaqualified service
contractor for repair.