If the motor still running, the motor should be fine. 1 m/ d' e: M% x3 ?' L5 xPossible reason: $ X( Z3 W0 \% o. G9 r9 wFlame sensor, up limit sensor or the pressure differential sensor.6 ], E; O+ j+ O; p+ `
Open the control box, there maybe there is one light flashing tell you what's the promble.