If the motor still running, the motor should be fine. ; k7 Z2 f8 z' _& D0 APossible reason: - T% H9 C! f" K% a X. @Flame sensor, up limit sensor or the pressure differential sensor.' G6 Z* C3 F" Y- e7 @/ @
Open the control box, there maybe there is one light flashing tell you what's the promble.