If the motor still running, the motor should be fine. ( {- {" l0 T `8 i* u6 T$ O( ?9 t; \Possible reason: ( ?' \; |2 _( o1 ]* p, kFlame sensor, up limit sensor or the pressure differential sensor. 0 s, s1 z! ]+ a9 i/ ?Open the control box, there maybe there is one light flashing tell you what's the promble.