Honeywell RTH7000 Series Manual page 21

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 (see
page 15).
19
RTH7400/RTH7500
69-1899EF—02