PRO TH4110B Programmable Thermostat
17
In case of difficulty
To restore
Energy Star®
default settings
Follow these steps to restore Energy Star default settings (see page 10):
1 Press SSEETT3 times to display “Set Schedule.”
2Press and hold SSEETTand RRUUNNat the same time for 4 seconds.
3 Press RRUUNN.
“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 14).
“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).
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).