Honeywell 69-2485efs-03 th8320zw1000 User Manual

Page of 72
TH8320ZW1000
19
69-2485EFS—03
ENGLISH
In case of difficulty
Heating or 
cooling system 
does not respond
•  Press
SYSTEM to set system to Heat. Make sure the temperature is set 
higher than the Inside temperature.
•  Press
SYSTEM 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.
•  If “Wait” is displayed, the compressor protection timer is on. Wait
5 minutes for the system to restart safely, without damaging the 
compressor.
Display shows 
Fan Auto and On 
or Auto and Circ 
at the same time
•  This is normal operation. Auto indicates the thermostat is following the
programmed fan setting. If Auto and On is shown, the fan is scheduled
for “On” during this period (see page 7).