Honeywell PRO TH4110B Operating Manual page 19

PRO TH4110B Programmable Thermostat
In case of difficulty
Temperature Make sure heating and cooling temperatures are set to acceptable ranges:
settings do not
• Heat: 40° to 90°F (4.5° to 32°C).
change
• Cool: 50° to 99°F (10° to 37°C).
"Cool On" or • Compressor protection feature is engaged. Wait 5 minutes for the system
"Heat On" is
flashing
"Heat On" is • Set the System switch to Heat, and set the temperature level above the
not displayed
"Cool On" is • Set the System switch to Cool, and set the temperature level below the
not displayed
To restore Follow these steps to restore Energy Star default settings (see page 10):
Energy Star ®
1 Press
default settings
2 Press and hold
3 Press
to restart safely, without damage to the compressor (see page 14).
current room temperature (see page 7).
current room temperature (see page 7).
S S E E T T 3 times to display "Set Schedule."
S S E E T T and
R R U U N N .
R R U U N N at the same time for 4 seconds.
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