Honeywell TH3110D1008 Owner's Manual - Page 12

In case of difficulty - installation manual

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ENGLISH 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 • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system is on. • Make sure furnace door is closed securely. • Make sure fresh AA alkaline batteries are correctly installed (see page 9). Heating or • Set system switch to Heat (see page 5). Make sure the temperature is cooling system set higher than the Inside temperature. does not respond • Set system switch to Cool (see page 5). Make sure the temperature is set lower than the Inside temperature. • Wait 5 minutes for the system to respond. 69-1776EFS-01 10

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69-1776EFS—01
10
Operating Manual
ENGLISH
If you have difficulty with your thermostat, please try the following suggestions.
Most problems can be corrected quickly and easily.
Display is blank
•
Check circuit breaker and reset if necessary.
•
Make sure power switch at heating & cooling system is on.
•
Make sure furnace door is closed securely.
•
Make sure fresh AA alkaline batteries are correctly installed (see page 9).
Heating or
cooling system
does not respond
•
Set system switch to
Heat (see page 5). Make sure the temperature is
set higher than the Inside temperature.
•
Set system switch to
Cool (see page 5). Make sure the temperature is
set lower than the Inside temperature.
•
Wait 5 minutes for the system to respond.
In case of difficulty