Operating Manual
18
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).
“Cool On” or
“Heat On” is
flashing
Compressor protection feature is engaged. Wait 5 minutes for the system
to restart safely, without damage to the compressor (see page 15).
“Heat On” is not
displayed
Set the System switch to Heat, and set the temperature level above the
current room temperature (see page 7).
“Cool On” is not
displayed
Set the System switch to Cool, and set the temperature level below the
current room temperature (see page 7).
To restore
Energy Star®
default settings
Follow these steps to restore Energy Star default settings (see page 10):
1. Press SET 3 times to display “Set Schedule.”
2. Press and hold SET and RUN at the same time for 4 seconds.
3. Press RUN.
In case of difficulty