User's Guide

69-2718EF—03 62
Troubleshooting
Heat pump
issues cool air
in heat mode,
or warm air in
cool mode
• Check Function 2: Heat Pump Changeover Valve to make sure it is properly
configured for your system (see page 50).
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.
• Wait 5 minutes for the system to respond.