Honeywell FocusPRO TH5220D Operating Manual page 14

Operating Manual
In case of difficulty
Heating or
• Press
cooling system
does not respond
• Press
• 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.
"Cool On" or • Compressor protection feature is engaged. Wait 5 minutes for the system
"Heat On" is
flashing
S S Y Y S S T T E E M M button to set system to Heat. Make sure the temperature
is set higher than the Inside temperature.
S S Y Y S S T T E E M M button to set system to Cool. Make sure the temperature
is set lower than the Inside temperature.
to restart safely, without damage to the compressor (see page 9).
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