If the motor still running, the motor should be fine./ J# `8 F, r& ]9 |" D4 e7 M
Possible reason:6 E- o. T2 l6 E) y$ Q; ~
Flame sensor, up limit sensor or the pressure differential sensor.3 I' D; c. c/ y4 x
Open the control box, there maybe there is one light flashing tell you what's the promble.