A SERVICE OF

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Operating Manual
69-2220EF—03 20
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).