User Manual
Problem  Possible Causes  What To Do
The air is not always  The heat pump is not  • This is normal. The heat pump will produce warm air 
cool or hot during  producing hot air.    but not as hot as air produced when the higher-cost 
operation   electric heat is used.
  The Smart Fan Auxiliary   • This causes the fan to blow room temperature air 
  Controls may be set to    even when the compressor or heater cycles off. 
 continuous fan.  The continuous air movement provides better 
      overall temperature control in the cool mode. 
   See Smart Fan – Cooling/Heating on page 7.
The air does not feel  The heat pump alone  • Use the Electric Heat Option. This turns off the 
warm enough during  produces air that feels    heat pump and warms with electric heat only. 
heating operation  cooler than desired.    NOTE: Use of this option will result in increased energy 
   consumption.
The unit is not  The Smart Fan Auxiliary  • See Smart Fan – Cooling/Heating on page 7. 
blowing out air  Controls may be set to cycle.   
The electric heating  The power cord is not  • Remove the room cover and make sure that the  
and fan features do  firmly attached.    black connector on the end of the power cord is  
not work   firmly engaged.
Temperature display  The compressor may   • Set the operation control to OFF and then restart 
flashes  have failed.    the unit. If the flashing light reappears within 
      30 minutes, call for service.
The unit does not  Aux mode 6 not set properly.  • Verify wiring from Remote Wall TStat is correct to unit thermostat 
function after  are incorrect. connector.
installing Remote 
Wall Thermostat  Unit thermostat connections  • Check aux mode 6 to be sure switch is “on” for Remote   
  are incorrect.    Thermostat, see page 9.
  Transformer resets or opens  • Wait 5 minutes to see if power resets. 
  with short
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