Honeywell TH5220D1003 Owner's Manual - Page 14

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ENGLISH Operating Manual In case of difficulty Heating or • Press SYSTEM button to set system to Heat. Make sure the temperature cooling system is set higher than the Inside temperature. does not respond • 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. "Cool On" or "Heat On" is flashing • Compressor protection feature is engaged. Wait 5 minutes for the system to restart safely, without damage to the compressor (see page 9). 69-1923EFS-01 12

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Operating Manual
69-1923EFS—01
12
ENGLISH
In case of difficulty
Heating or
cooling system
does not respond
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.
“Cool On” or
“Heat On” is
flashing
Compressor protection feature is engaged. Wait 5 minutes for the system
to restart safely, without damage to the compressor (see page 9).