44047-01  •  04/13/2010
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3.  Auxiliary  Heat:  On  multi-stage  heat  pumps this  alert indicates 
your second stage heat is running. 
4.  Check System: Some heat pump systems are equipped with the 
ability  to  check system  performance,  indicated  by  the  presence  of 
an “L” wire attached to the backplate. This icon will ash on screen 
to  alert  the  user  that  the  heat  pump  is  reporting  a  problem  with 
the system. It may be necessary to have the heat pump checked or 
serviced by an HVAC technician. 
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Features
Alerts