Carrier ComfortChoice Touch - Troubleshooting Common Issues; Screen is Unresponsive; No Heat or Cooling Issues

110
TROUBLESHOOTING
This section provides troubleshooting for some common issues associated with
the Carrier ComfortChoice Programmable Communicating Thermostat.
Screen is Unresponsive
Check if the thermostat screen is locked to unauthorized users. Unlock the
thermostat by providing the 4-digit lock code to enable control of the
thermostat.
No Heat or Cooling
Check if the Mode is off. If the Mode displays OFF on the Home Active
screen, press the MODE button and select COOL, HEAT, or AUTO, and
then press the DONE button.
EHeat is Displayed
Enables emergency heat -- also known as auxiliary heat. The EHEAT
selection uses auxiliary heat only. Heat Pump heating is not used.
Power Outage
The thermostat’s configuration options are stored to non-volatile memory
and are retained through a power outage.
Check Filter Reminder
The Filter Reminder appears on the screen when it is time to change the air
filter. Change the filter and reset the filter counter. Press the Reset button to
reset the timer back to its original value. Press the Done button to save the
changes and return to the Home Active screen.