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In Case Of Difficulty - Honeywell RTHL2310Series Operating Manual

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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
Heating or cooling
system does not
respond
69-2577EF—03
Make sure furnace door is closed securely.
Make sure fresh AAA alkaline batteries are correctly installed (see page
16).
Set system switch to Heat (see page 7). Make sure the temperature is
set higher than the Inside temperature.
Set system switch to Cool (see page 7). Make sure the temperature is
set lower than the Inside temperature.
Wait 5 minutes for the system to respond.
18

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This manual is also suitable for:

Rthl221 series