If the motor still running, the motor should be fine.7 u, B" W( F" Y. o; E3 N
Possible reason:, e3 E/ k6 Q, m+ H; Y" L
Flame sensor, up limit sensor or the pressure differential sensor.6 O4 o* a' S8 S+ o
Open the control box, there maybe there is one light flashing tell you what's the promble.