Hard Starting Gas Furnace...Help!

Old 01-07-03, 02:46 PM
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Hard Starting Gas Furnace...Help!

My Comfortmaker FBF050 model needed a new draft inducer motor as the orignal was beginning to make noise. So I replaced it which wasn't as hard as my mind made me think it would be. NOW the when the tstat calls for heat, the inducer motor starts, the unit clicks, the main burners ignite, then they shut off, then it does this cycle (click, main burner fires, shuts off) for about 3-four times, then functions normally. All the while, the draft inducer motor is running normally. I have checked the hose from the inducer to the pressure switch and that seems intact. What's going on with the thing? I thought I was doing myself a favor by replacing the inducer motor before it went south, but it seems that I have caused more problems. Please help as this is driving me CRAZY!

Old 01-07-03, 03:28 PM
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Replace or clean flame sensor, make sure burners are clean and make sure ignition burner ground is sound.

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