User Manual

11 69-2798EFS—03
If you have difficulty with your thermostat, please try the following sugges-
tions.
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 AAA 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