Prestige
™
THX9000 Thermostat
21
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 “Waiting For Equipment” is displayed, the compressor protection
timer is on. Wait 5 minutes for the system to restart safely, without
damaging the compressor.
In case of difficulty