Help on goodman gas heat and el. Air

i dont know model number can get it tho. It started fan would not cut off return air i guess i replaced the i dont know what this crap is called neather lmao but its the thing with points takes 24v. Then the dell that cutsit down 2 24v then i noteced a light flashing and seen on door it was a list of what flashes wa. It sad something was open.ok i found that its 2 little round things ont top one lower above were flames are but when i took them out i omd them out and they were closed. If i have the thormast wired up wrong can it give me that err.i can mash the 24v deal that has the points and every thing workes good tell i let it go