If the motor still running, the motor should be fine. l+ a3 [- w: ~# ]8 d# T
Possible reason:& I% `- O$ |% O( s0 ^
Flame sensor, up limit sensor or the pressure differential sensor.. h# U4 e9 a) S) z! }6 D
Open the control box, there maybe there is one light flashing tell you what's the promble.