If the motor still running, the motor should be fine.; U- {# w% Z& y* R9 e5 l ~- [
Possible reason:2 Z5 |) N# p# p" k
Flame sensor, up limit sensor or the pressure differential sensor. / \% r7 e/ N& ^6 N, oOpen the control box, there maybe there is one light flashing tell you what's the promble.