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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
69-2799EFS—04
•
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 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.
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