Honeywell PRO TH4000 Series Operating Manual page 20

Operating Manual
In case of difficulty
Temperature Make sure heating and cooling temperatures are set to acceptable ranges:
settings do not
change
"Cool On" or
"Heat On" is
flashing
"Heat On" is not
displayed
"Cool On" is not
displayed
To restore Follow these steps to restore Energy Star default settings (see page 10):
Energy Star
®
default settings
• Heat: 40° to 90°F (4.5° to 32°C).
• Cool: 50° to 99°F (10° to 37°C).
• Compressor protection feature is engaged. Wait 5 minutes for the system
to restart safely, without damage to the compressor (see page 15).
• Set the System switch to Heat, and set the temperature level above the
current room temperature (see page 7).
• Set the System switch to Cool, and set the temperature level below the
current room temperature (see page 7).
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.
8