In Case Of Difficulty - Honeywell RTH5100B Manuel D'utilisation

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
Temperature
settings do
not change
• Make sure fresh AAA alkaline batteries are correctly
installed (see page 10).
Make sure heating and cooling temperatures are set to
acceptable ranges (see Installation Guide to adjust this
setting):
• Heat: 40° to 90°F (4.5° to 32°C).
• Cool: 50° to 99°F (10° to 37°C).
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RTH5100B
69-2330EFS—01