If the motor still running, the motor should be fine.# V- l: x# b2 \
Possible reason:6 S9 i# x( n! N, G$ M
Flame sensor, up limit sensor or the pressure differential sensor.- O( M3 v! T, S3 O7 Q' ^/ x+ D
Open the control box, there maybe there is one light flashing tell you what's the promble.