If the motor still running, the motor should be fine. ; W( W8 `. x8 ^0 X; P1 u# o6 F, SPossible reason: 8 ?+ w! G% n3 n8 K8 K- MFlame sensor, up limit sensor or the pressure differential sensor.3 z7 W% j2 o7 T2 \
Open the control box, there maybe there is one light flashing tell you what's the promble.