RTH6350/RTH6450 Series
21 69-2415ES—04
About your new thermostat
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
• Make sure fresh AA alkaline batteries are correctly installed
(see page 15).
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).
To restore
default schedule
settings
Follow these steps to restore default schedule settings (see page 10):
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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3/22/2011 12:56:03 PM