If the motor still running, the motor should be fine. ; J- k+ u) `+ TPossible reason:& B: f4 {5 c- W7 I- H) e1 O: d* F
Flame sensor, up limit sensor or the pressure differential sensor. 8 S- \. ?1 h3 wOpen the control box, there maybe there is one light flashing tell you what's the promble.