Operating Manual
In case of difficulty
About your new thermostat
Heating
or cooling
system does
not respond
"Cool On" or
"Heat On" is
flashing
Other problems
69-2330EFS—01
• Press SYSTEM button to set system to Heat. Make sure the
temperature is set higher than the Inside temperature.
• Press SYSTEM button to set system to Cool. Make sure the
temperature is set lower than the Inside temperature.
• Check circuit breaker and reset if necessary.
• Make sure power switch at heating & cooling system is on.
• Make sure furnace door is closed securely.
• Wait 5 minutes for the system to respond.
• Compressor protection feature is engaged. Wait 5 minutes
for the system to restart safely, without damage to the
compressor.
• If the above measures do not resolve the problem,
check the In Case of Difficulty section in your thermostat
Installation Guide.
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