If the motor still running, the motor should be fine.! n" Y' a8 h8 t u+ Q A+ Q* C
Possible reason: 5 M$ d! ]) p+ CFlame sensor, up limit sensor or the pressure differential sensor.# O0 J! P' i, M3 V& Q* R" g
Open the control box, there maybe there is one light flashing tell you what's the promble.