If the motor still running, the motor should be fine.$ n, g2 j& L! O: z5 Y
Possible reason:7 i, \, n- k" t- O- Z
Flame sensor, up limit sensor or the pressure differential sensor. 0 x' z2 @% T3 w/ e# W0 I' ROpen the control box, there maybe there is one light flashing tell you what's the promble.