If the motor still running, the motor should be fine.+ G# D/ p$ I1 F' f) D" @
Possible reason:! ~4 j9 { W% P! b4 R2 u- q2 P
Flame sensor, up limit sensor or the pressure differential sensor. 9 w; T* G; G! oOpen the control box, there maybe there is one light flashing tell you what's the promble.