Carrier 58msa furnace with no led faults,flame is on and blower working

How's the airflo out of the registers? Have you checked the filter? If the burners are lit, and the blower is running, it sure seems like it should heat the house. Seems Im missing something. Can you help me figure out what Im missing. Oh, are you saying the draft inducer blower is running, but not the main blower motor? Im guessing here.