carrier gas furnace 58DHC055-EC

It has a new circuit board and inducer motor. it operated fine after installing them for about six months. Now the blower motor and inducer motor runs but the flame does not turn on to heat up funace

Reply to
ron g
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Hi, No trouble code? HSI(hot surface igniter) lights up during ignition sequence? Gas main valve opening?

Reply to
Tony Hwang

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