Had a Lennox xp 19 heat pump and a G61 MPV gas furnace installed last year. It appears that everytime my heat pump times out (set at 40 min.) or the outside temperature goes below my low balance set point (30 deg. F) the gas furnance will turn on ( this is good). The problem is that when the tempture returns to above my low balance point the heat pump will not come back on. Every once and awhile I have to turn the G61 breaker off and on to reset it. I have had my installer in numerous times and they have been unable to figure this out. I am getting tired of flipping the breaker. Does anybody have any suggestions?