Operating Manual
In case of difficulty
If you have difficulty with your thermostat, please try the following suggestions.
Most problems can be corrected quickly and easily.
Display is blank
Temperature
Make sure heating and cooling temperatures are set to acceptable ranges:
settings do not
change
To restore default
Follow these steps to restore default schedule settings (see page 10):
schedule settings
69-2636ES—03
• Make sure fresh AA alkaline batteries are correctly installed
(see page 18).
• Heat: 40° to 90°F (4.5° to 32°C).
• Cool: 50° to 99°F (10° to 37°C).
1. Press SET CLOCK/DAY/SCHEDULE.
2. Press SET SCHEDULE.
3. Press DONE and NEXT at the same time for 4 seconds.
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